| Montana | 81-0519541 | ||||||||||
| (State or other jurisdiction of incorporation or organization) | (IRS Employer Identification No.) | ||||||||||
| 49 Commons Loop | Kalispell, | Montana | 59901 | ||||||||
| (Address of principal executive offices) | (Zip Code) | ||||||||||
| (406) | 756-4200 | ||||||||||
| (Registrant’s telephone number, including area code) | |||||||||||
| Title of each class | Trading Symbol(s) | Name of each exchange on which registered | ||||||
| Common Stock, $0.01 par value | GBCI | The New York Stock Exchange | ||||||
| Large accelerated filer | ☒ | Accelerated filer | ☐ | |||||||||||
| Non-accelerated filer | ☐ | Smaller reporting company | ☐ | |||||||||||
| Emerging growth company | ☐ | |||||||||||||
| Page | |||||
| Part I. Financial Information | |||||
| Item 1 – Financial Statements | |||||
ACL or allowance – allowance for credit losses | ||
AFS - available-for-sale | ||
ALCO – Asset Liability Committee | ||
ASC – Accounting Standards Codification | ||
ASU – Accounting Standards Update | ||
ATM – automated teller machine | ||
Bank – Glacier Bank | ||
BOID - Bank of Idaho Holding Co. and its wholly owned subsidiary, Bank of Idaho | ||
CDE – Certified Development Entity | ||
CDFI Fund – Community Development Financial Institutions Fund | ||
CEO – Chief Executive Officer | ||
CFO – Chief Financial Officer | ||
CRE - Commercial real estate | ||
Company – Glacier Bancorp, Inc. | ||
DDA – demand deposit account | ||
Fannie Mae – Federal National Mortgage Association | ||
FASB – Financial Accounting Standards Board | ||
FDIC – Federal Deposit Insurance Corporation | ||
FHLB – Federal Home Loan Bank | ||
Final Rules – final rules implemented by the federal banking agencies that established a new comprehensive regulatory capital framework | ||
FRB – Federal Reserve Bank | ||
Freddie Mac – Federal Home Loan Mortgage Corporation | ||
GAAP – accounting principles generally accepted in the United States of America | ||
Ginnie Mae – Government National Mortgage Association | ||
Guaranty - Guaranty Bancshares, Inc. and its wholly owned subsidiary, Guaranty Bank & Trust | ||
HTM - Held-to-maturity | ||
Interest rate locks - residential real estate derivatives for commitments | ||
LIHTC – Low-Income Housing Tax Credit | ||
MBFD - Modifications to borrowers experiencing financial difficulty | ||
NMTC – New Markets Tax Credit | ||
NOW – negotiable order of withdrawal | ||
NRSRO – Nationally Recognized Statistical Rating Organizations | ||
OCI – other comprehensive income | ||
OREO – other real estate owned | ||
PCD – purchased credit-deteriorated | ||
Repurchase agreements – securities sold under agreements to repurchase | ||
ROU – right-of-use | ||
S&P – Standard and Poor’s | ||
SEC – United States Securities and Exchange Commission | ||
SOFR – Secured Overnight Financing Rate | ||
TBA – to-be-announced | ||
VIE – variable interest entity | ||
| (Dollars in thousands, except share and per share data) | June 30, 2026 | December 31, 2025 | |||||||||
| Assets | |||||||||||
| Cash on hand and in banks | $ | 353,748 | 321,526 | ||||||||
| Interest bearing cash deposits | 702,931 | 913,735 | |||||||||
| Cash and cash equivalents | 1,056,679 | 1,235,261 | |||||||||
| Debt securities, available-for-sale | 3,482,725 | 4,007,512 | |||||||||
| Debt securities, held-to-maturity | 3,004,758 | 3,110,216 | |||||||||
| Total debt securities | 6,487,483 | 7,117,728 | |||||||||
| Loans held for sale, at fair value | 45,145 | 39,186 | |||||||||
| Loans receivable | 21,363,723 | 20,927,796 | |||||||||
| Allowance for credit losses | (260,025) | (255,319) | |||||||||
| Loans receivable, net | 21,103,698 | 20,672,477 | |||||||||
| Premises and equipment, net | 493,497 | 486,184 | |||||||||
| Right-of-use assets, net | 76,428 | 75,574 | |||||||||
Other real estate owned and foreclosed assets | 1,541 | 411 | |||||||||
| Accrued interest receivable | 120,254 | 120,092 | |||||||||
| Deferred tax asset, net | 102,902 | 101,337 | |||||||||
| Intangibles, net | 95,671 | 105,269 | |||||||||
| Goodwill | 1,378,283 | 1,378,283 | |||||||||
| Federal Home Loan Bank stock, at cost | 21,244 | 42,764 | |||||||||
| Bank-owned life insurance | 235,984 | 235,090 | |||||||||
| Other assets | 380,192 | 368,407 | |||||||||
| Total assets | $ | 31,599,001 | 31,978,063 | ||||||||
| Liabilities | |||||||||||
| Non-interest bearing deposits | $ | 7,423,439 | 7,314,779 | ||||||||
| Interest bearing deposits | 17,230,678 | 17,276,317 | |||||||||
| Securities sold under agreements to repurchase | 1,952,501 | 2,084,113 | |||||||||
| Federal Home Loan Bank advances | — | 440,000 | |||||||||
| Other borrowed funds | 52,880 | 51,473 | |||||||||
| Finance lease liabilities | 31,606 | 28,808 | |||||||||
| Subordinated debentures | 188,573 | 187,492 | |||||||||
| Accrued interest payable | 29,542 | 32,786 | |||||||||
| Operating lease liabilities | 51,320 | 52,869 | |||||||||
| Other liabilities | 325,440 | 295,605 | |||||||||
| Total liabilities | 27,285,979 | 27,764,242 | |||||||||
| Commitments and Contingent Liabilities | — | — | |||||||||
| Stockholders’ Equity | |||||||||||
Preferred shares, $0.01 par value per share, 1,000,000 shares authorized, none issued or outstanding | — | — | |||||||||
Common stock, $0.01 par value per share, 234,000,000 shares authorized at June 30, 2026 and December 31, 2025, respectively | 1,302 | 1,300 | |||||||||
| Paid-in capital | 3,229,635 | 3,220,064 | |||||||||
| Retained earnings | 1,253,379 | 1,159,567 | |||||||||
| Accumulated other comprehensive loss | (171,294) | (167,110) | |||||||||
| Total stockholders’ equity | 4,313,022 | 4,213,821 | |||||||||
| Total liabilities and stockholders’ equity | $ | 31,599,001 | 31,978,063 | ||||||||
| Number of common stock shares issued and outstanding | 130,202,054 | 129,971,712 | |||||||||
| Three Months ended | Six Months ended | ||||||||||||||||||||||
| (Dollars in thousands, except share and per share data) | June 30, 2026 | June 30, 2025 | June 30, 2026 | June 30, 2025 | |||||||||||||||||||
| Interest Income | |||||||||||||||||||||||
| Investment securities | $ | 42,890 | 44,148 | $ | 88,016 | 89,794 | |||||||||||||||||
| Residential real estate loans | 30,104 | 25,361 | 63,812 | 49,636 | |||||||||||||||||||
| Commercial loans | 266,123 | 214,816 | 524,739 | 412,204 | |||||||||||||||||||
| Consumer and other loans | 26,103 | 23,790 | 50,990 | 46,406 | |||||||||||||||||||
| Total interest income | 365,220 | 308,115 | 727,557 | 598,040 | |||||||||||||||||||
| Interest Expense | |||||||||||||||||||||||
| Deposits | 71,972 | 65,569 | 144,223 | 128,434 | |||||||||||||||||||
| Securities sold under agreements to repurchase | 13,227 | 14,109 | 26,846 | 27,842 | |||||||||||||||||||
| Federal Home Loan Bank advances | — | 17,806 | 4,226 | 38,525 | |||||||||||||||||||
Other borrowed funds | 455 | 400 | 898 | 802 | |||||||||||||||||||
| Subordinated debentures | 3,138 | 2,615 | 6,259 | 4,842 | |||||||||||||||||||
| Total interest expense | 88,792 | 100,499 | 182,452 | 200,445 | |||||||||||||||||||
| Net Interest Income | 276,428 | 207,616 | 545,105 | 397,595 | |||||||||||||||||||
| Provision for credit losses | 6,355 | 20,267 | 12,419 | 28,081 | |||||||||||||||||||
| Net interest income after provision for credit losses | 270,073 | 187,349 | 532,686 | 369,514 | |||||||||||||||||||
| Non-Interest Income | |||||||||||||||||||||||
| Deposit service charges and other fees | 16,351 | 13,910 | 31,616 | 27,125 | |||||||||||||||||||
| Payment services | 12,012 | 10,457 | 23,380 | 19,785 | |||||||||||||||||||
| Miscellaneous loan fees and charges | 2,558 | 1,890 | 4,837 | 3,581 | |||||||||||||||||||
| Gain on sale of loans | 5,007 | 4,273 | 10,115 | 8,584 | |||||||||||||||||||
| Gain (loss) on sale of securities | — | — | — | — | |||||||||||||||||||
| Other income | 5,173 | 2,414 | 9,235 | 6,511 | |||||||||||||||||||
| Total non-interest income | 41,101 | 32,944 | 79,183 | 65,586 | |||||||||||||||||||
| Non-Interest Expense | |||||||||||||||||||||||
| Compensation and employee benefits | 116,299 | 94,355 | 232,069 | 185,798 | |||||||||||||||||||
| Occupancy and equipment | 15,661 | 12,558 | 31,343 | 24,852 | |||||||||||||||||||
| Advertising and promotions | 5,092 | 4,394 | 10,348 | 8,538 | |||||||||||||||||||
| Data processing | 12,380 | 9,883 | 25,653 | 19,021 | |||||||||||||||||||
| Other real estate owned and foreclosed assets | 83 | 26 | 289 | 89 | |||||||||||||||||||
| Regulatory assessments and insurance | 5,506 | 5,847 | 11,909 | 11,381 | |||||||||||||||||||
| Intangibles amortization | 4,799 | 3,624 | 9,598 | 6,894 | |||||||||||||||||||
| Other expenses | 26,880 | 24,432 | 66,020 | 49,864 | |||||||||||||||||||
| Total non-interest expense | 186,700 | 155,119 | 387,229 | 306,437 | |||||||||||||||||||
| Income Before Income Taxes | 124,474 | 65,174 | 224,640 | 128,663 | |||||||||||||||||||
| Federal and state income tax expense | 26,612 | 12,393 | 44,634 | 21,314 | |||||||||||||||||||
| Net Income | $ | 97,862 | 52,781 | $ | 180,006 | 107,349 | |||||||||||||||||
| Basic earnings per share | $ | 0.75 | 0.45 | 1.38 | 0.93 | ||||||||||||||||||
| Diluted earnings per share | $ | 0.75 | 0.45 | 1.38 | 0.93 | ||||||||||||||||||
| Dividends declared per share | $ | 0.33 | 0.33 | 0.66 | 0.66 | ||||||||||||||||||
| Average outstanding shares - basic | 130,167,496 | 116,890,776 | 130,110,494 | 115,180,489 | |||||||||||||||||||
| Average outstanding shares - diluted | 130,346,888 | 116,918,290 | 130,283,236 | 115,244,550 | |||||||||||||||||||
| Three Months ended | Six Months ended | ||||||||||||||||||||||
| (Dollars in thousands) | June 30, 2026 | June 30, 2025 | June 30, 2026 | June 30, 2025 | |||||||||||||||||||
| Net Income | $ | 97,862 | 52,781 | $ | 180,006 | 107,349 | |||||||||||||||||
| Other Comprehensive Income, Net of Tax | |||||||||||||||||||||||
| Available-For-Sale and Transferred Securities: | |||||||||||||||||||||||
Unrealized gains (losses) on available-for-sale securities | 6,695 | 31,125 | (6,618) | 91,890 | |||||||||||||||||||
Reclassification adjustment for securities transferred from available-for-sale to held-to-maturity | 1,126 | 1,448 | 2,325 | 2,917 | |||||||||||||||||||
| Tax effect | (1,939) | (8,117) | 1,064 | (23,626) | |||||||||||||||||||
| Net of tax amount | 5,882 | 24,456 | (3,229) | 71,181 | |||||||||||||||||||
| Fair Value Hedge: | |||||||||||||||||||||||
| Unrealized loss on derivatives used for fair value hedges | (1,499) | — | (1,270) | — | |||||||||||||||||||
| Tax effect | 372 | — | 315 | — | |||||||||||||||||||
| Net of tax amount | (1,127) | — | (955) | — | |||||||||||||||||||
| Cash Flow Hedge: | |||||||||||||||||||||||
| Unrealized losses on derivatives used for cash flow hedges | — | — | — | (657) | |||||||||||||||||||
| Amount of losses reclassified from other comprehensive income to net income | — | — | — | (63) | |||||||||||||||||||
| Tax effect | — | — | — | 180 | |||||||||||||||||||
| Net of tax amount | — | — | — | (540) | |||||||||||||||||||
Total other comprehensive (loss) income, net of tax | 4,755 | 24,456 | (4,184) | 70,641 | |||||||||||||||||||
| Total Comprehensive Income | $ | 102,617 | 77,237 | $ | 175,822 | 177,990 | |||||||||||||||||
| (Dollars in thousands, except share and per share data) | Common Stock | Paid-in Capital | Retained Earnings | Accumulated Other Compre- hensive Loss | |||||||||||||||||||||||||||||||
| Shares | Amount | Total | |||||||||||||||||||||||||||||||||
Balance at April 1, 2025 | 113,517,944 | $ | 1,135 | 2,449,311 | 1,100,273 | (263,111) | 3,287,608 | ||||||||||||||||||||||||||||
| Net income | — | — | — | 52,781 | — | 52,781 | |||||||||||||||||||||||||||||
| Other comprehensive income | — | — | — | — | 24,456 | 24,456 | |||||||||||||||||||||||||||||
Cash dividends declared ($0.33 per share) | — | — | — | (39,215) | — | (39,215) | |||||||||||||||||||||||||||||
Stock issued in connection with acquisitions | 5,029,102 | 51 | 204,936 | — | — | 204,987 | |||||||||||||||||||||||||||||
Stock issuances under stock incentive plans | 3,429 | — | — | — | — | — | |||||||||||||||||||||||||||||
Stock-based compensation and related taxes | — | — | 1,647 | — | — | 1,647 | |||||||||||||||||||||||||||||
| Balance at June 30, 2025 | 118,550,475 | $ | 1,186 | 2,655,894 | 1,113,839 | (238,655) | 3,532,264 | ||||||||||||||||||||||||||||
Balance at April 1, 2026 | 130,124,378 | $ | 1,301 | 3,224,619 | 1,198,628 | (176,049) | 4,248,499 | ||||||||||||||||||||||||||||
| Net income | — | — | — | 97,862 | — | 97,862 | |||||||||||||||||||||||||||||
| Other comprehensive income | — | — | — | — | 4,755 | 4,755 | |||||||||||||||||||||||||||||
Cash dividends declared ($0.33 per share) | — | — | — | (43,111) | — | (43,111) | |||||||||||||||||||||||||||||
Stock issuances under stock incentive plans | 77,676 | 1 | (1) | — | — | — | |||||||||||||||||||||||||||||
Stock-based compensation and related taxes | — | — | 5,017 | — | — | 5,017 | |||||||||||||||||||||||||||||
| Balance at June 30, 2026 | 130,202,054 | $ | 1,302 | 3,229,635 | 1,253,379 | (171,294) | 4,313,022 | ||||||||||||||||||||||||||||
| (Dollars in thousands, except share and per share data) | Common Stock | Paid-in Capital | Retained Earnings | Accumulated Other Compre- hensive Loss | |||||||||||||||||||||||||||||||
| Shares | Amount | Total | |||||||||||||||||||||||||||||||||
| Balance at January 1, 2025 | 113,401,955 | $ | 1,134 | 2,448,758 | 1,083,258 | (309,296) | 3,223,854 | ||||||||||||||||||||||||||||
| Net income | — | — | — | 107,349 | — | 107,349 | |||||||||||||||||||||||||||||
| Other comprehensive income | — | — | — | — | 70,641 | 70,641 | |||||||||||||||||||||||||||||
Cash dividends declared ($0.66 per share) | — | — | — | (76,768) | — | (76,768) | |||||||||||||||||||||||||||||
Stock issued in connection with acquisitions | 5,029,102 | 51 | 204,936 | — | — | 204,987 | |||||||||||||||||||||||||||||
Stock issuances under stock incentive plans | 119,418 | 1 | (1) | — | — | — | |||||||||||||||||||||||||||||
Stock-based compensation and related taxes | — | — | 2,201 | — | — | 2,201 | |||||||||||||||||||||||||||||
| Balance at June 30, 2025 | 118,550,475 | $ | 1,186 | 2,655,894 | 1,113,839 | (238,655) | 3,532,264 | ||||||||||||||||||||||||||||
| Balance at January 1, 2026 | 129,971,712 | $ | 1,300 | 3,220,064 | 1,159,567 | (167,110) | 4,213,821 | ||||||||||||||||||||||||||||
| Net income | — | — | — | 180,006 | — | 180,006 | |||||||||||||||||||||||||||||
| Other comprehensive loss | — | — | — | — | (4,184) | (4,184) | |||||||||||||||||||||||||||||
Cash dividends declared ($0.66 per share) | — | — | — | (86,194) | — | (86,194) | |||||||||||||||||||||||||||||
Stock issuances under stock incentive plans | 230,342 | 2 | (2) | — | — | — | |||||||||||||||||||||||||||||
Stock-based compensation and related taxes | — | — | 9,573 | — | — | 9,573 | |||||||||||||||||||||||||||||
| Balance at June 30, 2026 | 130,202,054 | $ | 1,302 | 3,229,635 | 1,253,379 | (171,294) | 4,313,022 | ||||||||||||||||||||||||||||
| Six Months ended | |||||||||||
| (Dollars in thousands) | June 30, 2026 | June 30, 2025 | |||||||||
| Operating Activities | |||||||||||
| Net income | $ | 180,006 | 107,349 | ||||||||
| Adjustments to reconcile net income to net cash provided by operating activities: | |||||||||||
| Provision for credit losses | 12,419 | 28,081 | |||||||||
| Net amortization of debt securities | 3,911 | 5,778 | |||||||||
| Net amortization of purchase accounting adjustments and deferred loan fees and costs | (7,169) | (2,158) | |||||||||
| Origination of loans held for sale | (421,782) | (349,991) | |||||||||
| Proceeds from loans held for sale | 425,938 | 343,897 | |||||||||
| Gain on sale of loans | (10,115) | (8,584) | |||||||||
| Bank-owned life insurance income, net | (3,803) | (2,339) | |||||||||
| Stock-based compensation, net of tax benefits | 6,918 | 3,809 | |||||||||
| Depreciation and amortization | 18,871 | 15,288 | |||||||||
| Gain on dispositions of premises and equipment | (2,173) | (2,622) | |||||||||
| (Gain) loss on sale and write-downs of other real estate owned, net | (70) | 32 | |||||||||
| Amortization of core deposit and other intangibles | 9,598 | 6,894 | |||||||||
| Amortization of investments in variable interest entities | 16,997 | 15,004 | |||||||||
| Net increase in accrued interest receivable | (162) | (2,631) | |||||||||
| Net increase in other assets | (3,058) | (8,055) | |||||||||
| Net decrease in accrued interest payable | (3,244) | (7,537) | |||||||||
| Net decrease in operating lease liabilities | (4,696) | (2,113) | |||||||||
| Net decrease in other liabilities | (9,755) | (1,623) | |||||||||
| Net cash provided by operating activities | 208,631 | 138,479 | |||||||||
| Investing Activities | |||||||||||
| Sales of debt securities, available-for-sale | — | 120,245 | |||||||||
| Maturities, prepayments and calls of available-for-sale debt securities | 2,761,629 | 359,587 | |||||||||
| Purchases of available-for-sale debt securities | (2,249,395) | (28,239) | |||||||||
| Maturities, prepayments and calls of held-to-maturity debt securities | 105,610 | 102,356 | |||||||||
| Purchases of held-to-maturity debt securities | — | (13,723) | |||||||||
| Net increase in loans | (438,360) | (198,386) | |||||||||
| Proceeds from sale of premises and equipment | 6,187 | 4,490 | |||||||||
| Net additions to premises and equipment | (22,611) | (12,178) | |||||||||
| Proceeds from sale of other real estate owned | 930 | 649 | |||||||||
| Proceeds from redemption of equity securities | 22,231 | 30,485 | |||||||||
| Purchases of equity securities | (711) | (4,666) | |||||||||
| Proceeds from bank-owned life insurance | 3,108 | 590 | |||||||||
| Investments in variable interest entities | (23,897) | (25,838) | |||||||||
| Net cash received from acquisitions | — | 26,125 | |||||||||
| Net cash provided by investing activities | 164,721 | 361,497 | |||||||||
| Six Months ended | |||||||||||
| (Dollars in thousands) | June 30, 2026 | June 30, 2025 | |||||||||
| Financing Activities | |||||||||||
| Net increase in deposits | $ | 62,778 | 3,359 | ||||||||
| Net (decrease) increase in securities sold under agreements to repurchase | (131,612) | 198,753 | |||||||||
| Net decrease in short-term Federal Home Loan Bank advances | — | (13,000) | |||||||||
| Repayments of long-term Federal Home Loan Bank advances | (440,000) | (580,000) | |||||||||
| Net increase in other borrowed funds | 1,406 | 304 | |||||||||
| Principal payments on finance lease liabilities | (2,494) | (1,959) | |||||||||
| Cash dividends paid | (43,286) | (37,833) | |||||||||
| Tax withholding payments for stock-based compensation | (2,269) | (2,501) | |||||||||
| Proceeds from stock option exercises | 3,543 | — | |||||||||
| Net cash used in financing activities | (551,934) | (432,877) | |||||||||
| Net (decrease) increase in cash and cash equivalents | (178,582) | 67,099 | |||||||||
| Cash, cash equivalents at beginning of period | 1,235,261 | 848,408 | |||||||||
| Cash, cash equivalents at end of period | $ | 1,056,679 | 915,507 | ||||||||
| Supplemental Disclosure of Cash Flow Information | |||||||||||
| Cash paid during the period for interest | $ | 185,697 | 207,982 | ||||||||
| Cash paid during the period for income taxes | 26,941 | 16,087 | |||||||||
| Supplemental Disclosure of Non-Cash Investing and Financing Activities | |||||||||||
| Sale and refinancing of other real estate owned | $ | — | 1 | ||||||||
| Transfer of loans to other real estate owned | 1,992 | 1,397 | |||||||||
| Right-of-use assets obtained in exchange for new lease liabilities | 8,536 | 604 | |||||||||
| Equity investments obtained in exchange for delayed equity contributions | 15,000 | 20,849 | |||||||||
| Dividends declared during the period but not paid | 43,249 | 39,307 | |||||||||
| Acquisitions | |||||||||||
| Fair value of common stock shares issued | — | 204,986 | |||||||||
| Cash consideration | — | 2 | |||||||||
| Fair value of assets acquired | — | 1,364,640 | |||||||||
| Liabilities assumed | — | 1,159,652 | |||||||||
| Three Months ended | Six Months ended | ||||||||||||||||||||||
| (Dollars in thousands) | June 30, 2026 | June 30, 2025 | June 30, 2026 | June 30, 2025 | |||||||||||||||||||
| Provision for credit loss - loans | $ | 10,125 | 18,009 | 13,639 | 24,163 | ||||||||||||||||||
| Provision for credit loss - unfunded | (3,770) | 2,258 | (1,220) | 3,918 | |||||||||||||||||||
| Total provision for credit losses | $ | 6,355 | 20,267 | 12,419 | 28,081 | ||||||||||||||||||
| June 30, 2026 | |||||||||||||||||||||||
| (Dollars in thousands) | Amortized Cost | Gross Unrealized Gains | Gross Unrealized Losses | Fair Value | |||||||||||||||||||
| Available-for-sale | |||||||||||||||||||||||
| U.S. government and federal agency | $ | 66,255 | 18 | (530) | 65,743 | ||||||||||||||||||
| U.S. government sponsored enterprises | 125,746 | 63 | (1,824) | 123,985 | |||||||||||||||||||
| State and local governments | 139,064 | 699 | (2,410) | 137,353 | |||||||||||||||||||
| Corporate bonds | 11,449 | 220 | (203) | 11,466 | |||||||||||||||||||
| Residential mortgage-backed securities | 2,150,347 | 83 | (187,569) | 1,962,861 | |||||||||||||||||||
| Commercial mortgage-backed securities | 1,222,344 | 108 | (41,135) | 1,181,317 | |||||||||||||||||||
| Total available-for-sale | $ | 3,715,205 | 1,191 | (233,671) | 3,482,725 | ||||||||||||||||||
| Held-to-maturity | |||||||||||||||||||||||
| U.S. government and federal agency | $ | 868,813 | — | (22,176) | 846,637 | ||||||||||||||||||
| State and local governments | 1,560,541 | 1,298 | (158,970) | 1,402,869 | |||||||||||||||||||
| Residential mortgage-backed securities | 575,404 | 71 | (33,071) | 542,404 | |||||||||||||||||||
| Total held-to-maturity | 3,004,758 | 1,369 | (214,217) | 2,791,910 | |||||||||||||||||||
| Total debt securities | $ | 6,719,963 | 2,560 | (447,888) | 6,274,635 | ||||||||||||||||||
| December 31, 2025 | |||||||||||||||||||||||
| (Dollars in thousands) | Amortized Cost | Gross Unrealized Gains | Gross Unrealized Losses | Fair Value | |||||||||||||||||||
| Available-for-sale | |||||||||||||||||||||||
| U.S. government and federal agency | $ | 257,650 | 264 | (1,984) | 255,930 | ||||||||||||||||||
| U.S. government sponsored enterprises | 315,675 | 86 | (3,273) | 312,488 | |||||||||||||||||||
| State and local governments | 165,305 | 1,035 | (2,256) | 164,084 | |||||||||||||||||||
| Corporate bonds | 33,691 | 279 | (21) | 33,949 | |||||||||||||||||||
| Residential mortgage-backed securities | 2,391,698 | 1,417 | (177,996) | 2,215,119 | |||||||||||||||||||
| Commercial mortgage-backed securities | 1,069,355 | 998 | (44,411) | 1,025,942 | |||||||||||||||||||
| Total available-for-sale | $ | 4,233,374 | 4,079 | (229,941) | 4,007,512 | ||||||||||||||||||
| Held-to-maturity | |||||||||||||||||||||||
| U.S. government and federal agency | $ | 865,696 | — | (24,129) | 841,567 | ||||||||||||||||||
| State and local governments | 1,587,673 | 1,341 | (175,623) | 1,413,391 | |||||||||||||||||||
| Residential mortgage-backed securities | 656,847 | 224 | (31,913) | 625,158 | |||||||||||||||||||
| Total held-to-maturity | 3,110,216 | 1,565 | (231,665) | 2,880,116 | |||||||||||||||||||
| Total debt securities | $ | 7,343,590 | 5,644 | (461,606) | 6,887,628 | ||||||||||||||||||
| June 30, 2026 | |||||||||||||||||||||||
| Available-for-Sale | Held-to-Maturity | ||||||||||||||||||||||
| (Dollars in thousands) | Amortized Cost | Fair Value | Amortized Cost | Fair Value | |||||||||||||||||||
| Due within one year | $ | 126,714 | 124,821 | 510,348 | 503,739 | ||||||||||||||||||
| Due after one year through five years | 98,294 | 97,908 | 480,313 | 462,025 | |||||||||||||||||||
| Due after five years through ten years | 64,169 | 63,101 | 258,479 | 247,197 | |||||||||||||||||||
| Due after ten years | 53,337 | 52,717 | 1,180,214 | 1,036,545 | |||||||||||||||||||
| 342,514 | 338,547 | 2,429,354 | 2,249,506 | ||||||||||||||||||||
Mortgage-backed securities 1 | 3,372,691 | 3,144,178 | 575,404 | 542,404 | |||||||||||||||||||
| Total | $ | 3,715,205 | 3,482,725 | 3,004,758 | 2,791,910 | ||||||||||||||||||
| Three Months ended | Six Months ended | ||||||||||||||||||||||
| (Dollars in thousands) | June 30, 2026 | June 30, 2025 | June 30, 2026 | June 30, 2025 | |||||||||||||||||||
| Available-for-sale | |||||||||||||||||||||||
| Proceeds from sales and calls of debt securities | $ | 6,422 | 120,245 | 24,177 | 120,680 | ||||||||||||||||||
Gross realized gains 1 | — | — | — | — | |||||||||||||||||||
Gross realized losses 1 | — | — | — | — | |||||||||||||||||||
| Held-to-maturity | |||||||||||||||||||||||
| Proceeds from calls of debt securities | 9,380 | 6,365 | 18,910 | 10,495 | |||||||||||||||||||
Gross realized gains 1 | — | — | — | — | |||||||||||||||||||
Gross realized losses 1 | — | — | — | — | |||||||||||||||||||
| June 30, 2026 | |||||||||||||||||||||||||||||||||||||||||
| Number of Securities | Less than 12 Months | 12 Months or More | Total | ||||||||||||||||||||||||||||||||||||||
| (Dollars in thousands) | Fair Value | Unrealized Loss | Fair Value | Unrealized Loss | Fair Value | Unrealized Loss | |||||||||||||||||||||||||||||||||||
| Available-for-sale | |||||||||||||||||||||||||||||||||||||||||
U.S. government and federal agency | 35 | $ | 58,732 | (206) | 5,315 | (324) | 64,047 | (530) | |||||||||||||||||||||||||||||||||
U.S. government sponsored enterprises | 5 | — | — | 114,481 | (1,824) | 114,481 | (1,824) | ||||||||||||||||||||||||||||||||||
| State and local governments | 95 | 48,439 | (446) | 41,131 | (1,964) | 89,570 | (2,410) | ||||||||||||||||||||||||||||||||||
| Corporate bonds | 2 | 1,486 | (5) | 3,802 | (198) | 5,288 | (203) | ||||||||||||||||||||||||||||||||||
Residential mortgage-backed securities | 436 | 192,274 | (2,407) | 1,749,461 | (185,162) | 1,941,735 | (187,569) | ||||||||||||||||||||||||||||||||||
Commercial mortgage-backed securities | 150 | 265,505 | (10,974) | 732,401 | (30,161) | 997,906 | (41,135) | ||||||||||||||||||||||||||||||||||
Total available-for-sale | 723 | $ | 566,436 | (14,038) | 2,646,591 | (219,633) | 3,213,027 | (233,671) | |||||||||||||||||||||||||||||||||
| December 31, 2025 | |||||||||||||||||||||||||||||||||||||||||
| Number of Securities | Less than 12 Months | 12 Months or More | Total | ||||||||||||||||||||||||||||||||||||||
| (Dollars in thousands) | Fair Value | Unrealized Loss | Fair Value | Unrealized Loss | Fair Value | Unrealized Loss | |||||||||||||||||||||||||||||||||||
| Available-for-sale | |||||||||||||||||||||||||||||||||||||||||
U.S. government and federal agency | 39 | $ | 55,231 | (82) | 179,092 | (1,902) | 234,323 | (1,984) | |||||||||||||||||||||||||||||||||
U.S. government sponsored enterprises | 12 | — | — | 302,962 | (3,273) | 302,962 | (3,273) | ||||||||||||||||||||||||||||||||||
| State and local governments | 88 | 36,534 | (83) | 46,762 | (2,173) | 83,296 | (2,256) | ||||||||||||||||||||||||||||||||||
| Corporate bonds | 2 | — | — | 13,980 | (21) | 13,980 | (21) | ||||||||||||||||||||||||||||||||||
Residential mortgage-backed securities | 376 | 28,843 | (42) | 1,983,182 | (177,954) | 2,012,025 | (177,996) | ||||||||||||||||||||||||||||||||||
Commercial mortgage-backed securities | 142 | 62,427 | (215) | 864,907 | (44,196) | 927,334 | (44,411) | ||||||||||||||||||||||||||||||||||
Total available-for-sale | 659 | $ | 183,035 | (422) | 3,390,885 | (229,519) | 3,573,920 | (229,941) | |||||||||||||||||||||||||||||||||
| (Dollars in thousands) | June 30, 2026 | December 31, 2025 | |||||||||
S&P: AAA / Moody’s: Aaa | $ | 389,136 | 397,328 | ||||||||
S&P: AA+, AA, AA- / Moody’s: Aa1, Aa2, Aa3 | 1,134,925 | 1,155,450 | |||||||||
S&P: A+, A, A- / Moody’s: A1, A2, A3 | 28,512 | 29,093 | |||||||||
| S&P: BBB+, BBB, BBB- / Moody’s: Baa1, Baa2, Baa3 | 120 | — | |||||||||
Not rated by either entity | 7,848 | 5,802 | |||||||||
Total | $ | 1,560,541 | 1,587,673 | ||||||||
| (Dollars in thousands) | June 30, 2026 | December 31, 2025 | |||||||||
| Residential real estate | $ | 2,111,683 | 2,457,907 | ||||||||
| Commercial real estate | 14,155,059 | 13,565,512 | |||||||||
| Other commercial | 3,615,240 | 3,497,829 | |||||||||
| Home equity | 1,054,110 | 977,206 | |||||||||
| Other consumer | 427,631 | 429,342 | |||||||||
Loans receivable 1 | 21,363,723 | 20,927,796 | |||||||||
| Allowance for credit losses | (260,025) | (255,319) | |||||||||
| Loans receivable, net | $ | 21,103,698 | 20,672,477 | ||||||||
| Net deferred origination fees included in loans receivable | $ | (34,391) | (32,715) | ||||||||
| Net purchase accounting discounts included in loans receivable | $ | (66,800) | (76,963) | ||||||||
| Accrued interest receivable on loans | $ | 95,833 | 94,251 | ||||||||
| Three Months ended June 30, 2026 | |||||||||||||||||||||||||||||||||||
| (Dollars in thousands) | Total | Residential Real Estate | Commercial Real Estate | Other Commercial | Home Equity | Other Consumer | |||||||||||||||||||||||||||||
| Balance at beginning of period | $ | 255,771 | 25,949 | 171,733 | 39,025 | 11,763 | 7,301 | ||||||||||||||||||||||||||||
| Provision for credit losses | 10,125 | (731) | 9,152 | (14) | (333) | 2,051 | |||||||||||||||||||||||||||||
| Charge-offs | (7,376) | — | (1,213) | (3,470) | (2) | (2,691) | |||||||||||||||||||||||||||||
| Recoveries | 1,505 | 8 | 29 | 812 | 9 | 647 | |||||||||||||||||||||||||||||
| Balance at end of period | $ | 260,025 | 25,226 | 179,701 | 36,353 | 11,437 | 7,308 | ||||||||||||||||||||||||||||
| Three Months ended June 30, 2025 | |||||||||||||||||||||||||||||||||||
| (Dollars in thousands) | Total | Residential Real Estate | Commercial Real Estate | Other Commercial | Home Equity | Other Consumer | |||||||||||||||||||||||||||||
| Balance at beginning of period | $ | 210,400 | 26,595 | 140,369 | 25,642 | 11,348 | 6,446 | ||||||||||||||||||||||||||||
| Acquisitions | 35 | — | — | 10 | — | 25 | |||||||||||||||||||||||||||||
| Provision for credit losses | 18,009 | 1,190 | 11,865 | 2,869 | 343 | 1,742 | |||||||||||||||||||||||||||||
| Charge-offs | (3,339) | (1) | (51) | (1,100) | (9) | (2,178) | |||||||||||||||||||||||||||||
| Recoveries | 1,694 | 131 | 6 | 895 | 19 | 643 | |||||||||||||||||||||||||||||
| Balance at end of period | $ | 226,799 | 27,915 | 152,189 | 28,316 | 11,701 | 6,678 | ||||||||||||||||||||||||||||
| Six Months ended June 30, 2026 | |||||||||||||||||||||||||||||||||||
| (Dollars in thousands) | Total | Residential Real Estate | Commercial Real Estate | Other Commercial | Home Equity | Other Consumer | |||||||||||||||||||||||||||||
| Balance at beginning of period | $ | 255,319 | 31,875 | 166,803 | 37,954 | 11,645 | 7,042 | ||||||||||||||||||||||||||||
| Provision for credit losses | 13,639 | (6,671) | 14,176 | 2,151 | 80 | 3,903 | |||||||||||||||||||||||||||||
| Charge-offs | (11,562) | (5) | (1,329) | (4,898) | (303) | (5,027) | |||||||||||||||||||||||||||||
| Recoveries | 2,629 | 27 | 51 | 1,146 | 15 | 1,390 | |||||||||||||||||||||||||||||
| Balance at end of period | $ | 260,025 | 25,226 | 179,701 | 36,353 | 11,437 | 7,308 | ||||||||||||||||||||||||||||
| Six Months ended June 30, 2025 | |||||||||||||||||||||||||||||||||||
| (Dollars in thousands) | Total | Residential Real Estate | Commercial Real Estate | Other Commercial | Home Equity | Other Consumer | |||||||||||||||||||||||||||||
| Balance at beginning of period | $ | 206,041 | 25,181 | 138,545 | 24,400 | 11,402 | 6,513 | ||||||||||||||||||||||||||||
| Acquisitions | 35 | — | — | 10 | — | 25 | |||||||||||||||||||||||||||||
| Provision for credit losses | 24,163 | 2,542 | 13,333 | 4,591 | 266 | 3,431 | |||||||||||||||||||||||||||||
| Charge-offs | (7,236) | (1) | (51) | (2,636) | (9) | (4,539) | |||||||||||||||||||||||||||||
| Recoveries | 3,796 | 193 | 362 | 1,951 | 42 | 1,248 | |||||||||||||||||||||||||||||
| Balance at end of period | $ | 226,799 | 27,915 | 152,189 | 28,316 | 11,701 | 6,678 | ||||||||||||||||||||||||||||
| June 30, 2026 | |||||||||||||||||||||||||||||||||||
| (Dollars in thousands) | Total | Residential Real Estate | Commercial Real Estate | Other Commercial | Home Equity | Other Consumer | |||||||||||||||||||||||||||||
| Accruing loans 30-59 days past due | $ | 44,839 | 2,180 | 30,834 | 4,176 | 3,499 | 4,150 | ||||||||||||||||||||||||||||
| Accruing loans 60-89 days past due | 20,644 | 5,654 | 7,556 | 4,443 | 1,782 | 1,209 | |||||||||||||||||||||||||||||
Accruing loans 90 days or more past due | 15,867 | 3,167 | 7,651 | 3,091 | 1,409 | 549 | |||||||||||||||||||||||||||||
| Non-accrual loans with no ACL | 66,632 | 11,088 | 28,712 | 22,366 | 3,969 | 497 | |||||||||||||||||||||||||||||
| Non-accrual loans with ACL | 7,809 | 74 | 10 | 7,540 | — | 185 | |||||||||||||||||||||||||||||
Total past due and non-accrual loans | 155,791 | 22,163 | 74,763 | 41,616 | 10,659 | 6,590 | |||||||||||||||||||||||||||||
| Current loans receivable | 21,207,932 | 2,089,520 | 14,080,296 | 3,573,624 | 1,043,451 | 421,041 | |||||||||||||||||||||||||||||
| Total loans receivable | $ | 21,363,723 | 2,111,683 | 14,155,059 | 3,615,240 | 1,054,110 | 427,631 | ||||||||||||||||||||||||||||
| December 31, 2025 | |||||||||||||||||||||||||||||||||||
| (Dollars in thousands) | Total | Residential Real Estate | Commercial Real Estate | Other Commercial | Home Equity | Other Consumer | |||||||||||||||||||||||||||||
| Accruing loans 30-59 days past due | $ | 60,719 | 14,310 | 30,212 | 7,382 | 4,525 | 4,290 | ||||||||||||||||||||||||||||
| Accruing loans 60-89 days past due | 18,107 | 6,505 | 4,366 | 4,980 | 991 | 1,265 | |||||||||||||||||||||||||||||
Accruing loans 90 days or more past due | 5,997 | 1,857 | 967 | 2,882 | 120 | 171 | |||||||||||||||||||||||||||||
| Non-accrual loans with no ACL | 59,775 | 13,611 | 15,783 | 25,916 | 3,611 | 854 | |||||||||||||||||||||||||||||
| Non-accrual loans with ACL | 2,712 | 581 | — | 1,974 | — | 157 | |||||||||||||||||||||||||||||
Total past due and non-accrual loans | 147,310 | 36,864 | 51,328 | 43,134 | 9,247 | 6,737 | |||||||||||||||||||||||||||||
| Current loans receivable | 20,780,486 | 2,421,043 | 13,514,184 | 3,454,695 | 967,959 | 422,605 | |||||||||||||||||||||||||||||
| Total loans receivable | $ | 20,927,796 | 2,457,907 | 13,565,512 | 3,497,829 | 977,206 | 429,342 | ||||||||||||||||||||||||||||
| June 30, 2026 | |||||||||||||||||||||||||||||||||||
| (Dollars in thousands) | Total | Residential Real Estate | Commercial Real Estate | Other Commercial | Home Equity | Other Consumer | |||||||||||||||||||||||||||||
| Business assets | $ | 28,029 | — | — | 27,984 | — | 45 | ||||||||||||||||||||||||||||
| Residential real estate | 17,314 | 11,162 | 844 | 1,347 | 3,961 | — | |||||||||||||||||||||||||||||
| Other real estate | 35,832 | — | 35,014 | 452 | 8 | 358 | |||||||||||||||||||||||||||||
| Other | 771 | — | — | 220 | — | 551 | |||||||||||||||||||||||||||||
| Total | $ | 81,946 | 11,162 | 35,858 | 30,003 | 3,969 | 954 | ||||||||||||||||||||||||||||
| December 31, 2025 | |||||||||||||||||||||||||||||||||||
| (Dollars in thousands) | Total | Residential Real Estate | Commercial Real Estate | Other Commercial | Home Equity | Other Consumer | |||||||||||||||||||||||||||||
| Business assets | $ | 21,741 | — | — | 21,741 | — | — | ||||||||||||||||||||||||||||
| Residential real estate | 20,196 | 13,638 | 1,749 | 1,236 | 3,512 | 61 | |||||||||||||||||||||||||||||
| Other real estate | 23,227 | — | 22,328 | 476 | 41 | 382 | |||||||||||||||||||||||||||||
| Other | 4,311 | — | — | 3,535 | — | 776 | |||||||||||||||||||||||||||||
| Total | $ | 69,475 | 13,638 | 24,077 | 26,988 | 3,553 | 1,219 | ||||||||||||||||||||||||||||
| At or for the Three Months ended June 30, 2026 | |||||||||||||||||||||||||||||
| Term Extension and Payment Deferral | Combination - Term Extension and Interest Rate Reduction | ||||||||||||||||||||||||||||
| (Dollars in thousands) | Amortized Cost Basis | % of Total Class | Amortized Cost Basis | % of Total Class | Total | ||||||||||||||||||||||||
| Commercial real estate | $ | 7,803 | 0.1 | % | — | — | % | $ | 7,803 | ||||||||||||||||||||
| Other commercial | 4,551 | 0.1 | % | — | — | % | 4,551 | ||||||||||||||||||||||
| Total | $ | 12,354 | $ | — | $ | 12,354 | |||||||||||||||||||||||
At or for the Three Months ended June 30, 2025 | |||||||||||||||||||||||||||||
| Term Extension and Payment Deferral | Combination - Term Extension and Interest Rate Reduction | ||||||||||||||||||||||||||||
| (Dollars in thousands) | Amortized Cost Basis | % of Total Class | Amortized Cost Basis | % of Total Class | Total | ||||||||||||||||||||||||
| Commercial real estate | $ | 3,434 | — | % | $ | — | — | % | $ | 3,434 | |||||||||||||||||||
| Other commercial | 1,223 | — | % | — | — | % | 1,223 | ||||||||||||||||||||||
| Total | $ | 4,657 | $ | — | $ | 4,657 | |||||||||||||||||||||||
| At or for the Six Months ended June 30, 2026 | |||||||||||||||||||||||||||||
| Term Extension and Payment Deferral | Combination - Term Extension and Interest Rate Reduction | ||||||||||||||||||||||||||||
| (Dollars in thousands) | Amortized Cost Basis | % of Total Class | Amortized Cost Basis | % of Total Class | Total | ||||||||||||||||||||||||
| Residential real estate | $ | 803 | — | % | $ | 882 | — | % | $ | 1,685 | |||||||||||||||||||
| Commercial real estate | 9,056 | 0.1 | % | $ | 649 | — | % | 9,705 | |||||||||||||||||||||
| Other commercial | 10,592 | 0.3 | % | — | — | % | 10,592 | ||||||||||||||||||||||
| Total | $ | 20,451 | $ | 1,531 | $ | 21,982 | |||||||||||||||||||||||
At or for the Six Months ended June 30, 2025 | |||||||||||||||||||||||||||||
| Term Extension and Payment Deferral | Combination - Term Extension and Interest Rate Reduction | ||||||||||||||||||||||||||||
| (Dollars in thousands) | Amortized Cost Basis | % of Total Class | Amortized Cost Basis | % of Total Class | Total | ||||||||||||||||||||||||
| Commercial real estate | $ | 10,399 | 0.1 | % | 857 | — | % | $ | 11,256 | ||||||||||||||||||||
| Other commercial | 3,710 | 0.1 | % | 247 | — | % | 3,957 | ||||||||||||||||||||||
| Total | $ | 14,109 | $ | 1,104 | $ | 15,213 | |||||||||||||||||||||||
At or for the Three Months ended June 30, 2026 | |||||||||||
| Weighted Average Interest Rate Reduction | Weighted Average Term Extension | ||||||||||
| Commercial real estate | —% | 5 months | |||||||||
| Other commercial | —% | 1 month | |||||||||
At or for the Three Months ended June 30, 2025 | |||||||||||
| Weighted Average Interest Rate Reduction | Weighted Average Term Extension | ||||||||||
| Other commercial | —% | 10 months | |||||||||
| Home equity | —% | 2 months | |||||||||
At or for the Six Months ended June 30, 2026 | |||||||||||
| Weighted Average Interest Rate Reduction | Weighted Average Term Extension | ||||||||||
| Residential real estate | 0.50% | 3.6 years | |||||||||
| Commercial real estate | 6.00% | 5 months | |||||||||
| Other commercial | —% | 7 months | |||||||||
At or for the Six Months ended June 30, 2025 | |||||||||||
| Weighted Average Interest Rate Reduction | Weighted Average Term Extension | ||||||||||
| Commercial real estate | 4.74% | 8 months | |||||||||
| Other commercial | 1.48% | 1.2 years | |||||||||
| June 30, 2026 | |||||||||||||||||||||||||||||
| (Dollars in thousands) | Total | Current | 30-89 Days Past Due | 90 Days or More Past Due | Non-Accrual | ||||||||||||||||||||||||
| Residential real estate | $ | 1,685 | — | — | — | 1,685 | |||||||||||||||||||||||
| Commercial real estate | 9,705 | 9,606 | — | — | 99 | ||||||||||||||||||||||||
| Other commercial | 10,592 | 5,199 | — | — | 5,393 | ||||||||||||||||||||||||
| Total | $ | 21,982 | 14,805 | — | — | 7,177 | |||||||||||||||||||||||
| June 30, 2025 | |||||||||||||||||||||||||||||
| (Dollars in thousands) | Total | Current | 30-89 Days Past Due | 90 Days or More Past Due | Non-Accrual | ||||||||||||||||||||||||
| Commercial real estate | $ | 11,256 | 8,747 | — | — | 2,509 | |||||||||||||||||||||||
| Other commercial | 3,957 | 3,510 | — | 311 | 136 | ||||||||||||||||||||||||
| Total | $ | 15,213 | 12,257 | — | 311 | 2,645 | |||||||||||||||||||||||
| June 30, 2026 | |||||||||||||||||||||||||||||||||||
| (Dollars in thousands) | Gross Charge-Offs | Total | Pass | Special Mention | Substandard | Doubtful/ Loss | |||||||||||||||||||||||||||||
| Commercial real estate loans | |||||||||||||||||||||||||||||||||||
Term loans by origination year | |||||||||||||||||||||||||||||||||||
| 2026 (year-to-date) | $ | — | 1,263,792 | 1,257,649 | 2,093 | 4,050 | — | ||||||||||||||||||||||||||||
| 2025 | — | 2,389,207 | 2,376,469 | 9,304 | 3,434 | — | |||||||||||||||||||||||||||||
| 2024 | 12 | 1,559,474 | 1,543,707 | 14,170 | 1,597 | — | |||||||||||||||||||||||||||||
| 2023 | 55 | 1,175,196 | 1,145,614 | 8,996 | 20,586 | — | |||||||||||||||||||||||||||||
| 2022 | 406 | 2,365,113 | 2,298,879 | 51,353 | 14,881 | — | |||||||||||||||||||||||||||||
| Prior | 856 | 4,989,208 | 4,829,408 | 36,034 | 123,766 | — | |||||||||||||||||||||||||||||
| Revolving loans | — | 413,069 | 407,687 | 2,286 | 3,096 | — | |||||||||||||||||||||||||||||
| Total | $ | 1,329 | 14,155,059 | 13,859,413 | 124,236 | 171,410 | — | ||||||||||||||||||||||||||||
| Other commercial loans | |||||||||||||||||||||||||||||||||||
Term loans by origination year | |||||||||||||||||||||||||||||||||||
| 2026 (year-to-date) | $ | 3,139 | 349,769 | 347,296 | 1,832 | 354 | 287 | ||||||||||||||||||||||||||||
| 2025 | 88 | 376,084 | 368,231 | 6,422 | 1,430 | 1 | |||||||||||||||||||||||||||||
| 2024 | 282 | 262,616 | 255,045 | 4,836 | 2,735 | — | |||||||||||||||||||||||||||||
| 2023 | 165 | 192,030 | 182,198 | 3,352 | 6,105 | 375 | |||||||||||||||||||||||||||||
| 2022 | 898 | 432,879 | 425,357 | 817 | 6,705 | — | |||||||||||||||||||||||||||||
| Prior | 326 | 921,718 | 898,353 | 3,095 | 14,508 | 5,762 | |||||||||||||||||||||||||||||
| Revolving loans | — | 1,080,144 | 1,042,728 | 18,000 | 16,406 | 3,010 | |||||||||||||||||||||||||||||
| Total | $ | 4,898 | 3,615,240 | 3,519,208 | 38,354 | 48,243 | 9,435 | ||||||||||||||||||||||||||||
| December 31, 2025 | |||||||||||||||||||||||||||||||||||
| (Dollars in thousands) | Gross Charge-Offs | Total | Pass | Special Mention | Substandard | Doubtful/ Loss | |||||||||||||||||||||||||||||
| Commercial real estate loans | |||||||||||||||||||||||||||||||||||
Term loans by origination year | |||||||||||||||||||||||||||||||||||
| 2025 | $ | — | $ | 2,114,996 | 2,109,129 | 4,397 | 1,470 | — | |||||||||||||||||||||||||||
| 2024 | 51 | 1,622,518 | 1,609,785 | 8,433 | 4,300 | — | |||||||||||||||||||||||||||||
| 2023 | — | 1,349,042 | 1,318,470 | 22,639 | 7,933 | — | |||||||||||||||||||||||||||||
| 2022 | 2,243 | 2,537,806 | 2,461,577 | 58,488 | 17,741 | — | |||||||||||||||||||||||||||||
| 2021 | — | 2,087,103 | 1,987,311 | 35,463 | 64,329 | — | |||||||||||||||||||||||||||||
| Prior | — | 3,399,784 | 3,283,767 | 46,443 | 69,574 | — | |||||||||||||||||||||||||||||
| Revolving loans | — | 454,263 | 440,697 | 11,055 | 2,511 | — | |||||||||||||||||||||||||||||
| Total | $ | 2,294 | $ | 13,565,512 | 13,210,736 | 186,918 | 167,858 | — | |||||||||||||||||||||||||||
| Other commercial loans | |||||||||||||||||||||||||||||||||||
Term loans by origination year | |||||||||||||||||||||||||||||||||||
| 2025 | $ | 3,569 | $ | 512,778 | 503,334 | 6,920 | 2,304 | 220 | |||||||||||||||||||||||||||
| 2024 | 306 | 333,688 | 329,068 | 1,554 | 3,066 | — | |||||||||||||||||||||||||||||
| 2023 | 913 | 233,025 | 223,699 | 4,153 | 4,797 | 376 | |||||||||||||||||||||||||||||
| 2022 | 86 | 477,443 | 466,556 | 2,366 | 8,519 | 2 | |||||||||||||||||||||||||||||
| 2021 | 1,069 | 402,519 | 392,403 | 3,337 | 6,774 | 5 | |||||||||||||||||||||||||||||
| Prior | 315 | 595,651 | 574,367 | 9,913 | 11,343 | 28 | |||||||||||||||||||||||||||||
| Revolving loans | — | 942,725 | 889,147 | 29,827 | 23,741 | 10 | |||||||||||||||||||||||||||||
| Total | $ | 6,258 | $ | 3,497,829 | 3,378,574 | 58,070 | 60,544 | 641 | |||||||||||||||||||||||||||
| June 30, 2026 | |||||||||||||||||||||||||||||
| (Dollars in thousands) | Gross Charge-Offs | Total | Performing | 30-89 Days Past Due | Non-Accrual and 90 Days or More Past Due | ||||||||||||||||||||||||
| Residential real estate loans | |||||||||||||||||||||||||||||
Term loans by origination year | |||||||||||||||||||||||||||||
| 2026 (year-to-date) | $ | — | 88,694 | 88,694 | — | — | |||||||||||||||||||||||
| 2025 | — | 288,240 | 287,625 | 615 | — | ||||||||||||||||||||||||
| 2024 | — | 167,167 | 163,491 | 1,166 | 2,510 | ||||||||||||||||||||||||
| 2023 | — | 231,923 | 226,316 | 2,024 | 3,583 | ||||||||||||||||||||||||
| 2022 | — | 621,516 | 616,494 | 1,786 | 3,236 | ||||||||||||||||||||||||
| Prior | 5 | 714,087 | 706,844 | 2,243 | 5,000 | ||||||||||||||||||||||||
| Revolving loans | — | 56 | 56 | — | — | ||||||||||||||||||||||||
| Total | $ | 5 | 2,111,683 | 2,089,520 | 7,834 | 14,329 | |||||||||||||||||||||||
| Home equity loans | |||||||||||||||||||||||||||||
Term loans by origination year | |||||||||||||||||||||||||||||
| 2026 (year-to-date) | $ | — | 712 | 712 | — | — | |||||||||||||||||||||||
| 2025 | — | 11,997 | 11,997 | — | — | ||||||||||||||||||||||||
| 2024 | 76 | 8,324 | 8,202 | 27 | 95 | ||||||||||||||||||||||||
| 2023 | — | 4,895 | 4,753 | — | 142 | ||||||||||||||||||||||||
| 2022 | 225 | 12,987 | 12,987 | — | — | ||||||||||||||||||||||||
| Prior | 2 | 17,525 | 17,134 | 64 | 327 | ||||||||||||||||||||||||
| Revolving loans | — | 997,670 | 987,666 | 5,190 | 4,814 | ||||||||||||||||||||||||
| Total | $ | 303 | 1,054,110 | 1,043,451 | 5,281 | 5,378 | |||||||||||||||||||||||
| Other consumer loans | |||||||||||||||||||||||||||||
Term loans by origination year | |||||||||||||||||||||||||||||
| 2026 (year-to-date) | $ | 4,374 | 80,652 | 77,777 | 2,843 | 32 | |||||||||||||||||||||||
| 2025 | 111 | 104,474 | 103,912 | 430 | 132 | ||||||||||||||||||||||||
| 2024 | 223 | 68,407 | 67,864 | 366 | 177 | ||||||||||||||||||||||||
| 2023 | 158 | 51,369 | 50,486 | 429 | 454 | ||||||||||||||||||||||||
| 2022 | 84 | 32,816 | 32,242 | 436 | 138 | ||||||||||||||||||||||||
| Prior | 77 | 50,688 | 50,103 | 323 | 262 | ||||||||||||||||||||||||
| Revolving loans | — | 39,225 | 38,657 | 532 | 36 | ||||||||||||||||||||||||
| Total | $ | 5,027 | 427,631 | 421,041 | 5,359 | 1,231 | |||||||||||||||||||||||
| December 31, 2025 | |||||||||||||||||||||||||||||
| (Dollars in thousands) | Gross Charge-Offs | Total | Performing | 30-89 Days Past Due | Non-Accrual and 90 Days or More Past Due | ||||||||||||||||||||||||
| Residential real estate loans | |||||||||||||||||||||||||||||
Term loans by origination year | |||||||||||||||||||||||||||||
| 2025 | $ | — | $ | 283,293 | 283,293 | — | — | ||||||||||||||||||||||
| 2024 | 1 | 283,422 | 278,922 | 2,232 | 2,268 | ||||||||||||||||||||||||
| 2023 | — | 297,393 | 293,384 | 1,184 | 2,825 | ||||||||||||||||||||||||
| 2022 | — | 727,941 | 718,191 | 6,831 | 2,919 | ||||||||||||||||||||||||
| 2021 | — | 502,487 | 499,821 | 1,366 | 1,300 | ||||||||||||||||||||||||
| Prior | — | 312,772 | 297,067 | 8,968 | 6,737 | ||||||||||||||||||||||||
| Revolving loans | — | 50,599 | 50,365 | 234 | — | ||||||||||||||||||||||||
| Total | $ | 1 | $ | 2,457,907 | 2,421,043 | 20,815 | 16,049 | ||||||||||||||||||||||
| Home equity loans | |||||||||||||||||||||||||||||
Term loans by origination year | |||||||||||||||||||||||||||||
| 2025 | $ | — | $ | 474 | 474 | — | — | ||||||||||||||||||||||
| 2024 | — | 2,397 | 2,397 | — | — | ||||||||||||||||||||||||
| 2023 | — | 1,457 | 1,033 | 400 | 24 | ||||||||||||||||||||||||
| 2022 | 31 | 2,113 | 2,054 | — | 59 | ||||||||||||||||||||||||
| 2021 | 65 | 3,792 | 3,792 | — | — | ||||||||||||||||||||||||
| Prior | 10 | 3,381 | 3,321 | 19 | 41 | ||||||||||||||||||||||||
| Revolving loans | — | 963,592 | 954,888 | 5,097 | 3,607 | ||||||||||||||||||||||||
| Total | $ | 106 | $ | 977,206 | 967,959 | 5,516 | 3,731 | ||||||||||||||||||||||
| Other consumer loans | |||||||||||||||||||||||||||||
Term loans by origination year | |||||||||||||||||||||||||||||
| 2025 | $ | 8,238 | $ | 143,910 | 140,869 | 3,025 | 16 | ||||||||||||||||||||||
| 2024 | 240 | 83,178 | 82,551 | 470 | 157 | ||||||||||||||||||||||||
| 2023 | 413 | 68,406 | 67,016 | 1,027 | 363 | ||||||||||||||||||||||||
| 2022 | 751 | 39,801 | 39,126 | 441 | 234 | ||||||||||||||||||||||||
| 2021 | 146 | 25,329 | 25,018 | 166 | 145 | ||||||||||||||||||||||||
| Prior | 235 | 29,233 | 28,982 | 67 | 184 | ||||||||||||||||||||||||
| Revolving loans | — | 39,485 | 39,043 | 359 | 83 | ||||||||||||||||||||||||
| Total | $ | 10,023 | $ | 429,342 | 422,605 | 5,555 | 1,182 | ||||||||||||||||||||||
| June 30, 2026 | December 31, 2025 | ||||||||||||||||||||||
| (Dollars in thousands) | Finance Leases | Operating Leases | Finance Leases | Operating Leases | |||||||||||||||||||
| Right-of-use assets | $ | 47,580 | 42,353 | ||||||||||||||||||||
| Accumulated depreciation | (18,075) | (15,332) | |||||||||||||||||||||
| $ | 29,505 | 46,923 | 27,021 | 48,553 | |||||||||||||||||||
| $ | 31,606 | 51,320 | 28,808 | 52,869 | |||||||||||||||||||
| Weighted-average remaining lease term | 9 years | 13 years | 9 years | 13 years | |||||||||||||||||||
| Weighted-average discount rate | 3.9 | % | 3.9 | % | 3.9 | % | 3.9 | % | |||||||||||||||
| June 30, 2026 | |||||||||||
| (Dollars in thousands) | Finance Leases | Operating Leases | |||||||||
| Maturing within one year | $ | 6,734 | 7,716 | ||||||||
| Maturing one year through two years | 6,604 | 7,252 | |||||||||
| Maturing two years through three years | 6,620 | 6,389 | |||||||||
| Maturing three years through four years | 5,061 | 5,598 | |||||||||
| Maturing four years through five years | 1,569 | 4,723 | |||||||||
| Thereafter | 10,407 | 36,090 | |||||||||
| Total lease payments | 36,995 | 67,768 | |||||||||
| Present value of lease payments | |||||||||||
| Short-term | 5,625 | 5,835 | |||||||||
| Long-term | 25,981 | 45,485 | |||||||||
| Total present value of lease payments | 31,606 | 51,320 | |||||||||
| Difference between lease payments and present value of lease payments | $ | 5,389 | 16,448 | ||||||||
| Three Months ended | Six Months ended | ||||||||||||||||||||||
| (Dollars in thousands) | June 30, 2026 | June 30, 2025 | June 30, 2026 | June 30, 2025 | |||||||||||||||||||
| Finance lease cost | |||||||||||||||||||||||
| Amortization of right-of-use assets | $ | 1,470 | 1,077 | 2,813 | 2,152 | ||||||||||||||||||
| Interest on lease liabilities | 318 | 176 | 613 | 358 | |||||||||||||||||||
| Operating lease cost | 2,057 | 1,494 | 4,147 | 2,775 | |||||||||||||||||||
| Short-term lease cost | 214 | 147 | 470 | 273 | |||||||||||||||||||
| Variable lease cost | 573 | 475 | 1,332 | 948 | |||||||||||||||||||
| Sublease income | (20) | (19) | (47) | (29) | |||||||||||||||||||
| Total lease expense | $ | 4,612 | 3,350 | 9,328 | 6,477 | ||||||||||||||||||
| Three Months ended | |||||||||||||||||||||||
| June 30, 2026 | June 30, 2025 | ||||||||||||||||||||||
| (Dollars in thousands) | Finance Leases | Operating Leases | Finance Leases | Operating Leases | |||||||||||||||||||
Cash paid for amounts included in the measurement of lease liabilities | |||||||||||||||||||||||
| Operating cash flows | $ | 318 | 2,762 | 176 | 1,192 | ||||||||||||||||||
| Financing cash flows | 1,344 | N/A | 983 | N/A | |||||||||||||||||||
| Six Months ended | |||||||||||||||||||||||
| June 30, 2026 | June 30, 2025 | ||||||||||||||||||||||
| (Dollars in thousands) | Finance Leases | Operating Leases | Finance Leases | Operating Leases | |||||||||||||||||||
Cash paid for amounts included in the measurement of lease liabilities | |||||||||||||||||||||||
| Operating cash flows | $ | 613 | 4,696 | 358 | 2,113 | ||||||||||||||||||
| Financing cash flows | 2,494 | N/A | 1,959 | N/A | |||||||||||||||||||
| Three Months ended | Six Months ended | ||||||||||||||||||||||
| (Dollars in thousands) | June 30, 2026 | June 30, 2025 | June 30, 2026 | June 30, 2025 | |||||||||||||||||||
| Net carrying value at beginning of period | $ | 1,378,283 | 1,051,318 | 1,378,283 | 1,051,318 | ||||||||||||||||||
| Acquisitions and adjustments | — | 70,083 | — | 70,083 | |||||||||||||||||||
| Net carrying value at end of period | $ | 1,378,283 | 1,121,401 | 1,378,283 | 1,121,401 | ||||||||||||||||||
| (Dollars in thousands) | June 30, 2026 | December 31, 2025 | |||||||||
| Carrying value at beginning of period | $ | 11,779 | 11,958 | ||||||||
| Additions | 871 | 1,268 | |||||||||
| Amortization | (726) | (1,447) | |||||||||
| Carrying value at end of period | $ | 11,924 | 11,779 | ||||||||
| Principal balances of loans serviced for others | $ | 1,470,562 | 1,470,673 | ||||||||
| Fair value of servicing rights | $ | 16,844 | 16,489 | ||||||||
| (Dollars in thousands) | June 30, 2026 | December 31, 2025 | |||||||||
| Assets | |||||||||||
| Loans receivable | $ | 96,096 | 95,701 | ||||||||
| Accrued interest receivable | 332 | — | |||||||||
| Other assets | 91,051 | 91,461 | |||||||||
| Total assets | $ | 187,479 | 187,162 | ||||||||
| Liabilities | |||||||||||
| Other borrowed funds | $ | 52,880 | 51,473 | ||||||||
| Accrued interest payable | 457 | 418 | |||||||||
| Other liabilities | 25,869 | 31,852 | |||||||||
| Total liabilities | $ | 79,206 | 83,743 | ||||||||
| (Dollars in thousands) | Amount | ||||
| Years ending December 31, | |||||
| 2026 | $ | 38,347 | |||
| 2027 | 28,008 | ||||
| 2028 | 7,396 | ||||
| 2029 | 1,412 | ||||
| 2030 | 568 | ||||
| Thereafter | 2,381 | ||||
| Total | $ | 78,112 | |||
| Three Months ended | Six Months ended | ||||||||||||||||||||||
| (Dollars in thousands) | June 30, 2026 | June 30, 2025 | June 30, 2026 | June 30, 2025 | |||||||||||||||||||
Amortization expense | $ | ||||||||||||||||||||||
Tax credits and other tax benefits recognized | |||||||||||||||||||||||
| Overnight and Continuous | |||||||||||
| (Dollars in thousands) | June 30, 2026 | December 31, 2025 | |||||||||
| U.S. government and federal agency | $ | 61,366 | $ | 308,437 | |||||||
| Residential mortgage-backed securities | 1,571,810 | 1,775,676 | |||||||||
| Commercial mortgage-backed securities | 319,325 | — | |||||||||
| Total | $ | 1,952,501 | $ | 2,084,113 | |||||||
| June 30, 2026 | December 31, 2025 | ||||||||||||||||||||||||||||
| (Dollars in thousands) | Average Maturity | Notional Amount | Fair Value Asset (Liability) | Notional Amount | Fair Value Asset (Liability) | ||||||||||||||||||||||||
| Fair value hedge designation | |||||||||||||||||||||||||||||
| Interest rate swap agreements | 17 days | $ | 465,500 | 49 | 1,395,500 | 244 | |||||||||||||||||||||||
| Interest rate cap agreements | 4.10 years | 355,099 | 8,312 | 100,000 | 2,128 | ||||||||||||||||||||||||
| Non-designated derivatives | |||||||||||||||||||||||||||||
| Interest rate lock commitments | 78,522 | 1,364 | 44,089 | 700 | |||||||||||||||||||||||||
| TBA commitments | 55,250 | (101) | 55,250 | (241) | |||||||||||||||||||||||||
| (Dollars in thousands) | Amortized cost of the Hedged Assets | Amortized Cost of Fair Value Hedging Included in the Carrying Amount of the Hedged Assets | ||||||||||||||||||||||||
| Line item on the consolidated statement of financial condition | June 30, 2026 | December 31, 2025 | June 30, 2026 | December 31, 2025 | ||||||||||||||||||||||
| $ | 2,393,120 | 2,692,319 | (49) | (244) | ||||||||||||||||||||||
| 349,259 | 99,528 | (2,383) | (315) | |||||||||||||||||||||||
| Three Months ended | Six Months ended | |||||||||||||||||||||||||
| (Dollars in thousands) | Location of Gain (Loss) | June 30, 2026 | June 30, 2025 | June 30, 2026 | June 30, 2025 | |||||||||||||||||||||
| Interest rate swap | Interest income on investment securities | $ | (49) | $ | 1,810 | $ | 298 | $ | 351 | |||||||||||||||||
| Interest rate caps | Interest income on investment securities | (210) | — | (312) | — | |||||||||||||||||||||
| Available-for-sale debt securities | Interest income on investment securities | 287 | (9,358) | 195 | (5,201) | |||||||||||||||||||||
| Three Months ended | Six Months ended | ||||||||||||||||||||||
| (Dollars in thousands) | June 30, 2026 | June 30, 2025 | June 30, 2026 | June 30, 2025 | |||||||||||||||||||
| Amount of loss recognized in OCI | $ | (1,499) | $ | — | $ | (1,270) | $ | — | |||||||||||||||
| Three Months ended | Six Months ended | ||||||||||||||||||||||
| (Dollars in thousands) | June 30, 2026 | June 30, 2025 | June 30, 2026 | June 30, 2025 | |||||||||||||||||||
| Consulting and outside services | $ | 5,821 | 4,734 | $ | 11,048 | 9,876 | |||||||||||||||||
| Mergers and acquisition expenses | 1,590 | 3,231 | 10,497 | 3,818 | |||||||||||||||||||
| Debit card expenses | 4,785 | 3,576 | 9,826 | 7,407 | |||||||||||||||||||
| Loan expenses | 2,600 | 2,329 | 4,727 | 4,238 | |||||||||||||||||||
| Employee expenses | 2,330 | 2,018 | 4,344 | 3,543 | |||||||||||||||||||
| Telephone | 1,661 | 1,448 | 3,319 | 2,870 | |||||||||||||||||||
| Variable interest entities amortization and other expenses | 251 | 320 | 3,272 | 3,407 | |||||||||||||||||||
| Business development | 1,428 | 1,280 | 3,093 | 2,715 | |||||||||||||||||||
| Postage | 1,392 | 1,223 | 3,077 | 2,587 | |||||||||||||||||||
| Printing and supplies | 967 | 786 | 2,168 | 1,472 | |||||||||||||||||||
| Checking and operating expenses | 1,235 | 1,086 | 2,055 | 1,925 | |||||||||||||||||||
| Legal fees | 695 | 433 | 1,341 | 914 | |||||||||||||||||||
| Accounting and audit fees | 518 | 439 | 959 | 1,279 | |||||||||||||||||||
| Gain on dispositions of premises and equipment | (2,618) | (1,612) | (2,173) | (2,622) | |||||||||||||||||||
| Other | 4,225 | 3,141 | 8,467 | 6,435 | |||||||||||||||||||
| Total other expenses | $ | 26,880 | 24,432 | $ | 66,020 | 49,864 | |||||||||||||||||
| (Dollars in thousands) | (Losses) Gains on Available-For-Sale and Transferred Debt Securities | (Losses) Gains on Derivatives Used for Cash Flow Hedges | Losses on Derivatives Used for Fair Value Hedges | Total | |||||||||||||||||||
| Balance at January 1, 2025 | $ | (309,836) | 540 | — | (309,296) | ||||||||||||||||||
| Other comprehensive income (loss) before reclassifications | 68,991 | (493) | — | 68,498 | |||||||||||||||||||
| Reclassification adjustments for losses and transfers included in net income | — | (47) | — | (47) | |||||||||||||||||||
| Reclassification adjustments for amortization included in net income for transferred securities | 2,190 | — | — | 2,190 | |||||||||||||||||||
| Net current period other comprehensive income (loss) | 71,181 | (540) | — | 70,641 | |||||||||||||||||||
| Balance at June 30, 2025 | $ | (238,655) | — | — | (238,655) | ||||||||||||||||||
| Balance at January 1, 2026 | $ | (166,846) | — | (264) | (167,110) | ||||||||||||||||||
| Other comprehensive loss before reclassifications | (4,977) | — | (955) | (5,932) | |||||||||||||||||||
| Reclassification adjustments for amortization included in net income for transferred securities | 1,748 | — | — | 1,748 | |||||||||||||||||||
| Net current period other comprehensive loss | (3,229) | — | (955) | (4,184) | |||||||||||||||||||
| Balance at June 30, 2026 | $ | (170,075) | — | (1,219) | (171,294) | ||||||||||||||||||
| Three Months ended | Six Months ended | ||||||||||||||||||||||
| (Dollars in thousands, except per share data) | June 30, 2026 | June 30, 2025 | June 30, 2026 | June 30, 2025 | |||||||||||||||||||
Net income available to common stockholders, basic and diluted | $ | 97,862 | 52,781 | $ | 180,006 | 107,349 | |||||||||||||||||
| Average outstanding shares - basic | 130,167,496 | 116,890,776 | 130,110,494 | 115,180,489 | |||||||||||||||||||
Add: dilutive restricted stock units and stock options | 179,392 | 27,514 | 172,742 | 64,061 | |||||||||||||||||||
| Average outstanding shares - diluted | 130,346,888 | 116,918,290 | 130,283,236 | 115,244,550 | |||||||||||||||||||
| Basic earnings per share | $ | 0.75 | 0.45 | $ | 1.38 | 0.93 | |||||||||||||||||
| Diluted earnings per share | $ | 0.75 | 0.45 | $ | 1.38 | 0.93 | |||||||||||||||||
Restricted stock units and stock options excluded from the diluted average outstanding share calculation 1 | 71 | 145,840 | 91,211 | 109,554 | |||||||||||||||||||
| Fair Value Measurements At the End of the Reporting Period Using | |||||||||||||||||||||||
| (Dollars in thousands) | Fair Value June 30, 2026 | Quoted Prices in Active Markets for Identical Assets (Level 1) | Significant Other Observable Inputs (Level 2) | Significant Unobservable Inputs (Level 3) | |||||||||||||||||||
| Debt securities, available-for-sale | |||||||||||||||||||||||
| U.S. government and federal agency | $ | 65,743 | — | 65,743 | — | ||||||||||||||||||
| U.S. government sponsored enterprises | 123,985 | — | 123,985 | — | |||||||||||||||||||
| State and local governments | 137,353 | — | 137,353 | — | |||||||||||||||||||
| Corporate bonds | 11,466 | — | 11,466 | — | |||||||||||||||||||
| Residential mortgage-backed securities | 1,962,861 | — | 1,962,861 | — | |||||||||||||||||||
| Commercial mortgage-backed securities | 1,181,317 | — | 1,181,317 | — | |||||||||||||||||||
| Loans held for sale, at fair value | 45,145 | — | 45,145 | — | |||||||||||||||||||
| Interest rate caps | 8,312 | — | 8,312 | — | |||||||||||||||||||
| Interest rate locks | 1,364 | — | 1,364 | — | |||||||||||||||||||
| Interest rate swaps | 49 | — | 49 | — | |||||||||||||||||||
Total assets measured at fair value on a recurring basis | $ | 3,537,595 | — | 3,537,595 | — | ||||||||||||||||||
| TBA hedge | $ | 101 | — | 101 | — | ||||||||||||||||||
Total liabilities measured at fair value on a recurring basis | $ | 101 | — | 101 | — | ||||||||||||||||||
| Fair Value Measurements At the End of the Reporting Period Using | |||||||||||||||||||||||
| (Dollars in thousands) | Fair Value December 31, 2025 | Quoted Prices in Active Markets for Identical Assets (Level 1) | Significant Other Observable Inputs (Level 2) | Significant Unobservable Inputs (Level 3) | |||||||||||||||||||
| Debt securities, available-for-sale | |||||||||||||||||||||||
| U.S. government and federal agency | $ | 255,930 | — | 255,930 | — | ||||||||||||||||||
| U.S. government sponsored enterprises | 312,488 | — | 312,488 | — | |||||||||||||||||||
| State and local governments | 164,084 | — | 164,084 | — | |||||||||||||||||||
| Corporate bonds | 33,949 | — | 33,949 | — | |||||||||||||||||||
| Residential mortgage-backed securities | 2,215,119 | — | 2,215,119 | — | |||||||||||||||||||
| Commercial mortgage-backed securities | 1,025,942 | — | 1,025,942 | — | |||||||||||||||||||
Loans held for sale, at fair value | 39,186 | — | 39,186 | — | |||||||||||||||||||
| Interest rate caps | 2,128 | — | 2,128 | — | |||||||||||||||||||
Interest rate locks | 700 | — | 700 | — | |||||||||||||||||||
| Interest rate swaps | 244 | — | 244 | — | |||||||||||||||||||
Total assets measured at fair value on a recurring basis | $ | 4,049,770 | — | 4,049,770 | — | ||||||||||||||||||
| Fair Value Measurements At the End of the Reporting Period Using | |||||||||||||||||||||||
| (Dollars in thousands) | Fair Value June 30, 2026 | Quoted Prices in Active Markets for Identical Assets (Level 1) | Significant Other Observable Inputs (Level 2) | Significant Unobservable Inputs (Level 3) | |||||||||||||||||||
| Other real estate owned | $ | 41 | — | — | 41 | ||||||||||||||||||
| Collateral-dependent impaired loans, net of ACL | 5,813 | — | — | 5,813 | |||||||||||||||||||
Total assets measured at fair value on a non-recurring basis | $ | 5,854 | — | — | 5,854 | ||||||||||||||||||
| Fair Value Measurements At the End of the Reporting Period Using | |||||||||||||||||||||||
| (Dollars in thousands) | Fair Value December 31, 2025 | Quoted Prices in Active Markets for Identical Assets (Level 1) | Significant Other Observable Inputs (Level 2) | Significant Unobservable Inputs (Level 3) | |||||||||||||||||||
| Collateral-dependent impaired loans, net of ACL | $ | 1,887 | — | — | 1,887 | ||||||||||||||||||
Total assets measured at fair value on a non-recurring basis | $ | 1,887 | — | — | 1,887 | ||||||||||||||||||
Fair Value June 30, 2026 | Quantitative Information about Level 3 Fair Value Measurements | ||||||||||||||||||||||
| (Dollars in thousands) | Valuation Technique | Unobservable Input | Range (Weighted-Average) 1 | ||||||||||||||||||||
Other real estate owned | $ | 41 | Sales comparison approach | Selling costs | 10.0% - 20.0% (13.8%) | ||||||||||||||||||
Collateral-dependent impaired loans, net of ACL | $ | 519 | Cost approach | Selling costs | 10.0% - 20.0% (10.8%) | ||||||||||||||||||
| 994 | Sales comparison approach | Selling costs | 10.0% - 20.0% (10.5%) | ||||||||||||||||||||
| 4,300 | Combined approach | Selling costs | 10.0% - 10.0% (10.0%) | ||||||||||||||||||||
| $ | 5,813 | ||||||||||||||||||||||
| Fair Value December 31, 2025 | Quantitative Information about Level 3 Fair Value Measurements | ||||||||||||||||||||||
| (Dollars in thousands) | Valuation Technique | Unobservable Input | Range (Weighted-Average) 1 | ||||||||||||||||||||
Collateral-dependent impaired loans, net of ACL | $ | 1,381 | Cost approach | Selling costs | 10.0% - 20.0% (10.3%) | ||||||||||||||||||
| 506 | Sales comparison approach | Selling costs | 10.0% - 20.0% (10.1%) | ||||||||||||||||||||
| $ | 1,887 | ||||||||||||||||||||||
| Fair Value Measurements At the End of the Reporting Period Using | |||||||||||||||||||||||
| (Dollars in thousands) | Carrying Amount June 30, 2026 | Quoted Prices in Active Markets for Identical Assets (Level 1) | Significant Other Observable Inputs (Level 2) | Significant Unobservable Inputs (Level 3) | |||||||||||||||||||
| Financial assets | |||||||||||||||||||||||
| Cash and cash equivalents | $ | 1,056,679 | 1,056,679 | — | — | ||||||||||||||||||
| Debt securities, held-to-maturity | 3,004,758 | — | 2,791,910 | — | |||||||||||||||||||
| Loans receivable, net of ACL | 21,103,698 | — | — | 21,073,582 | |||||||||||||||||||
| Total financial assets | $ | 25,165,135 | 1,056,679 | 2,791,910 | 21,073,582 | ||||||||||||||||||
| Financial liabilities | |||||||||||||||||||||||
| Term deposits | $ | 3,732,971 | — | 3,764,721 | — | ||||||||||||||||||
Repurchase agreements and other borrowed funds | 2,036,987 | — | 2,036,987 | — | |||||||||||||||||||
| Subordinated debentures | 188,573 | — | 183,325 | — | |||||||||||||||||||
| Total financial liabilities | $ | 5,958,531 | — | 5,985,033 | — | ||||||||||||||||||
| Fair Value Measurements At the End of the Reporting Period Using | |||||||||||||||||||||||
| (Dollars in thousands) | Carrying Amount December 31, 2025 | Quoted Prices in Active Markets for Identical Assets (Level 1) | Significant Other Observable Inputs (Level 2) | Significant Unobservable Inputs (Level 3) | |||||||||||||||||||
| Financial assets | |||||||||||||||||||||||
| Cash and cash equivalents | $ | 1,235,261 | 1,235,261 | — | — | ||||||||||||||||||
| Debt securities, held-to-maturity | 3,110,216 | — | 2,880,116 | — | |||||||||||||||||||
| Loans receivable, net of ACL | 20,672,477 | — | — | 20,779,943 | |||||||||||||||||||
| Total financial assets | $ | 25,017,954 | 1,235,261 | 2,880,116 | 20,779,943 | ||||||||||||||||||
| Financial liabilities | |||||||||||||||||||||||
| Term deposits | $ | 3,928,550 | — | 3,967,087 | — | ||||||||||||||||||
| FHLB advances | 440,000 | — | 440,175 | — | |||||||||||||||||||
Repurchase agreements and other borrowed funds | 2,135,586 | — | 2,135,586 | — | |||||||||||||||||||
| Subordinated debentures | 187,492 | — | 175,069 | — | |||||||||||||||||||
| Total financial liabilities | $ | 6,691,628 | — | 6,717,917 | — | ||||||||||||||||||
| At or for the Three Months ended | At or for the Six Months ended | ||||||||||||||||||||||||||||
(Dollars in thousands, except per share and market data) | Jun 30, 2026 | Mar 31, 2026 | Jun 30, 2025 | Jun 30, 2026 | Jun 30, 2025 | ||||||||||||||||||||||||
| Performance results | |||||||||||||||||||||||||||||
| Net income | $ | 97,862 | 82,144 | 52,781 | 180,006 | 107,349 | |||||||||||||||||||||||
| Basic earnings per share | $ | 0.75 | 0.63 | 0.45 | 1.38 | 0.93 | |||||||||||||||||||||||
| Diluted earnings per share | $ | 0.75 | 0.63 | 0.45 | 1.38 | 0.93 | |||||||||||||||||||||||
Operating diluted earnings per share (non-GAAP) 1 | $ | 0.76 | 0.70 | 0.57 | 1.45 | 1.04 | |||||||||||||||||||||||
| Dividends declared per share | $ | 0.33 | 0.33 | 0.33 | 0.66 | 0.66 | |||||||||||||||||||||||
| Market value per share | |||||||||||||||||||||||||||||
| Closing | $ | 51.58 | 44.67 | 43.08 | 51.58 | 43.08 | |||||||||||||||||||||||
| High | $ | 52.16 | 53.99 | 44.70 | 53.99 | 52.81 | |||||||||||||||||||||||
| Low | $ | 44.26 | 41.87 | 36.76 | 41.87 | 36.76 | |||||||||||||||||||||||
| Selected ratios and other data | |||||||||||||||||||||||||||||
Number of common stock shares outstanding | 130,202,054 | 130,124,378 | 118,550,475 | 130,202,054 | 118,550,475 | ||||||||||||||||||||||||
| Average outstanding shares - basic | 130,167,496 | 130,052,858 | 116,890,776 | 130,110,494 | 115,180,489 | ||||||||||||||||||||||||
| Average outstanding shares - diluted | 130,346,888 | 130,242,765 | 116,918,290 | 130,283,236 | 115,244,550 | ||||||||||||||||||||||||
| Return on average assets (annualized) | 1.25 | % | 1.05 | % | 0.74 | % | 1.15 | % | 0.77 | % | |||||||||||||||||||
| Return on average equity (annualized) | 9.13 | % | 7.82 | % | 6.13 | % | 8.48 | % | 6.44 | % | |||||||||||||||||||
| Efficiency ratio | 56.65 | % | 63.05 | % | 62.08 | % | 59.79 | % | 63.72 | % | |||||||||||||||||||
Operating efficiency ratio (non-GAAP) 1 | 56.21 | % | 59.25 | % | 61.19 | % | 57.70 | % | 63.49 | % | |||||||||||||||||||
| Loan to deposit ratio | 86.84 | % | 85.18 | % | 85.91 | % | 86.84 | % | 85.91 | % | |||||||||||||||||||
Number of full time equivalent employees | 4,125 | 4,139 | 3,665 | 4,125 | 3,665 | ||||||||||||||||||||||||
| Number of locations | 282 | 282 | 247 | 282 | 247 | ||||||||||||||||||||||||
| Number of ATMs | 339 | 337 | 300 | 339 | 300 | ||||||||||||||||||||||||
| $ Change from | |||||||||||||||||||||||||||||||||||||||||
| (Dollars in thousands) | Jun 30, 2026 | Mar 31, 2026 | Dec 31, 2025 | Jun 30, 2025 | Mar 31, 2026 | Dec 31, 2025 | Jun 30, 2025 | ||||||||||||||||||||||||||||||||||
| Cash and cash equivalents | $ | 1,056,679 | 1,385,237 | 1,235,261 | 915,507 | (328,558) | (178,582) | 141,172 | |||||||||||||||||||||||||||||||||
Debt securities, available-for-sale | 3,482,725 | 3,585,531 | 4,007,512 | 4,024,980 | (102,806) | (524,787) | (542,255) | ||||||||||||||||||||||||||||||||||
Debt securities, held-to-maturity | 3,004,758 | 3,058,662 | 3,110,216 | 3,206,133 | (53,904) | (105,458) | (201,375) | ||||||||||||||||||||||||||||||||||
Total debt securities | 6,487,483 | 6,644,193 | 7,117,728 | 7,231,113 | (156,710) | (630,245) | (743,630) | ||||||||||||||||||||||||||||||||||
Loans receivable 1 | |||||||||||||||||||||||||||||||||||||||||
| Residential real estate | 2,111,683 | 2,167,860 | 2,457,907 | 1,931,554 | (56,177) | (346,224) | 180,129 | ||||||||||||||||||||||||||||||||||
Commercial real estate | 14,155,059 | 13,918,178 | 13,565,512 | 11,935,109 | 236,881 | 589,547 | 2,219,950 | ||||||||||||||||||||||||||||||||||
| Other commercial | 3,615,240 | 3,466,863 | 3,497,829 | 3,303,889 | 148,377 | 117,411 | 311,351 | ||||||||||||||||||||||||||||||||||
| Home equity | 1,054,110 | 1,048,971 | 977,206 | 975,429 | 5,139 | 76,904 | 78,681 | ||||||||||||||||||||||||||||||||||
| Other consumer | 427,631 | 431,791 | 429,342 | 386,759 | (4,160) | (1,711) | 40,872 | ||||||||||||||||||||||||||||||||||
| Loans receivable | 21,363,723 | 21,033,663 | 20,927,796 | 18,532,740 | 330,060 | 435,927 | 2,830,983 | ||||||||||||||||||||||||||||||||||
Allowance for credit losses | (260,025) | (255,771) | (255,319) | (226,799) | (4,254) | (4,706) | (33,226) | ||||||||||||||||||||||||||||||||||
Loans receivable, net | 21,103,698 | 20,777,892 | 20,672,477 | 18,305,941 | 325,806 | 431,221 | 2,797,757 | ||||||||||||||||||||||||||||||||||
| Other assets | 2,951,141 | 2,926,760 | 2,952,597 | 2,552,422 | 24,381 | (1,456) | 398,719 | ||||||||||||||||||||||||||||||||||
| Total assets | $ | 31,599,001 | 31,734,082 | 31,978,063 | 29,004,983 | (135,081) | (379,062) | 2,594,018 | |||||||||||||||||||||||||||||||||
| $ Change from | |||||||||||||||||||||||||||||||||||||||||
| (Dollars in thousands) | Jun 30, 2026 | Mar 31, 2026 | Dec 31, 2025 | Jun 30, 2025 | Mar 31, 2026 | Dec 31, 2025 | Jun 30, 2025 | ||||||||||||||||||||||||||||||||||
| Deposits | |||||||||||||||||||||||||||||||||||||||||
Non-interest bearing deposits | $ | 7,423,439 | 7,427,280 | 7,314,779 | 6,593,728 | (3,841) | 108,660 | 829,711 | |||||||||||||||||||||||||||||||||
NOW and DDA accounts | 6,192,363 | 6,217,728 | 6,236,551 | 5,747,388 | (25,365) | (44,188) | 444,975 | ||||||||||||||||||||||||||||||||||
Savings accounts | 3,169,141 | 3,193,293 | 3,158,939 | 2,956,387 | (24,152) | 10,202 | 212,754 | ||||||||||||||||||||||||||||||||||
Money market deposit accounts | 4,132,820 | 4,049,361 | 3,948,201 | 3,089,115 | 83,459 | 184,619 | 1,043,705 | ||||||||||||||||||||||||||||||||||
Certificate accounts | 3,732,971 | 3,851,209 | 3,928,550 | 3,238,576 | (118,238) | (195,579) | 494,395 | ||||||||||||||||||||||||||||||||||
Core deposits, total | 24,650,734 | 24,738,871 | 24,587,020 | 21,625,194 | (88,137) | 63,714 | 3,025,540 | ||||||||||||||||||||||||||||||||||
Wholesale deposits | 3,383 | 3,000 | 4,076 | 3,308 | 383 | (693) | 75 | ||||||||||||||||||||||||||||||||||
Deposits, total | 24,654,117 | 24,741,871 | 24,591,096 | 21,628,502 | (87,754) | 63,021 | 3,025,615 | ||||||||||||||||||||||||||||||||||
Securities sold under agreements to repurchase | 1,952,501 | 2,085,623 | 2,084,113 | 1,976,228 | (133,122) | (131,612) | (23,727) | ||||||||||||||||||||||||||||||||||
FHLB advances | — | — | 440,000 | 1,255,088 | — | (440,000) | (1,255,088) | ||||||||||||||||||||||||||||||||||
| Other borrowed funds | 52,880 | 51,564 | 51,473 | 62,366 | 1,316 | 1,407 | (9,486) | ||||||||||||||||||||||||||||||||||
| Finance lease liabilities | 31,606 | 31,209 | 28,808 | 19,405 | 397 | 2,798 | 12,201 | ||||||||||||||||||||||||||||||||||
| Subordinated debentures | 188,573 | 188,032 | 187,492 | 157,127 | 541 | 1,081 | 31,446 | ||||||||||||||||||||||||||||||||||
| Other liabilities | 406,302 | 387,284 | 381,260 | 374,003 | 19,018 | 25,042 | 32,299 | ||||||||||||||||||||||||||||||||||
| Total liabilities | $ | 27,285,979 | 27,485,583 | 27,764,242 | 25,472,719 | (199,604) | (478,263) | 1,813,260 | |||||||||||||||||||||||||||||||||
| $ Change from | |||||||||||||||||||||||||||||||||||||||||
(Dollars in thousands, except per share data) | Jun 30, 2026 | Mar 31, 2026 | Dec 31, 2025 | Jun 30, 2025 | Mar 31, 2026 | Dec 31, 2025 | Jun 30, 2025 | ||||||||||||||||||||||||||||||||||
| Common equity | $ | 4,484,316 | 4,424,548 | 4,380,931 | 3,770,919 | 59,768 | 103,385 | 713,397 | |||||||||||||||||||||||||||||||||
| Accumulated other comprehensive loss | (171,294) | (176,049) | (167,110) | (238,655) | 4,755 | (4,184) | 67,361 | ||||||||||||||||||||||||||||||||||
| Total stockholders’ equity | 4,313,022 | 4,248,499 | 4,213,821 | 3,532,264 | 64,523 | 99,201 | 780,758 | ||||||||||||||||||||||||||||||||||
| Goodwill and core deposit intangible, net | (1,473,954) | (1,478,753) | (1,483,552) | (1,186,350) | 4,799 | 9,598 | (287,604) | ||||||||||||||||||||||||||||||||||
Tangible stockholders’ equity (non-GAAP) 1 | $ | 2,839,068 | 2,769,746 | 2,730,269 | 2,345,914 | 69,322 | 108,799 | 493,154 | |||||||||||||||||||||||||||||||||
Stockholders’ equity to total assets | 13.65 | % | 13.39 | % | 13.18 | % | 12.18 | % | |||||||||||||||||||||||||||||||||
Tangible stockholders’ equity to total tangible assets (non-GAAP) 1 | 9.42 | % | 9.15 | % | 8.95 | % | 8.43 | % | |||||||||||||||||||||||||||||||||
Book value per common share | $ | 33.13 | 32.65 | 32.42 | 29.80 | 0.48 | 0.71 | 3.33 | |||||||||||||||||||||||||||||||||
Tangible book value per common share (non-GAAP) 1 | $ | 21.81 | 21.29 | 21.01 | 19.79 | 0.52 | 0.80 | 2.02 | |||||||||||||||||||||||||||||||||
| Three Months ended | $ Change from | ||||||||||||||||||||||||||||
| (Dollars in thousands) | Jun 30, 2026 | Mar 31, 2026 | Jun 30, 2025 | Mar 31, 2026 | Jun 30, 2025 | ||||||||||||||||||||||||
| Net interest income | |||||||||||||||||||||||||||||
| Interest income | $ | 365,220 | 362,337 | 308,115 | 2,883 | 57,105 | |||||||||||||||||||||||
| Interest expense | 88,792 | 93,660 | 100,499 | (4,868) | (11,707) | ||||||||||||||||||||||||
| Total net interest income | 276,428 | 268,677 | 207,616 | 7,751 | 68,812 | ||||||||||||||||||||||||
| Non-interest income | |||||||||||||||||||||||||||||
| Deposit service charges and other fees | 16,351 | 15,265 | 13,910 | 1,086 | 2,441 | ||||||||||||||||||||||||
| Payment services | 12,012 | 11,368 | 10,457 | 644 | 1,555 | ||||||||||||||||||||||||
Miscellaneous loan fees and charges | 2,558 | 2,279 | 1,890 | 279 | 668 | ||||||||||||||||||||||||
| Gain on sale of loans | 5,007 | 5,108 | 4,273 | (101) | 734 | ||||||||||||||||||||||||
| Gain (loss) on sale of securities | — | — | — | — | — | ||||||||||||||||||||||||
| Other income | 5,173 | 4,062 | 2,414 | 1,111 | 2,759 | ||||||||||||||||||||||||
Total non-interest income | 41,101 | 38,082 | 32,944 | 3,019 | 8,157 | ||||||||||||||||||||||||
| Total income | $ | 317,529 | 306,759 | 240,560 | 10,770 | 76,969 | |||||||||||||||||||||||
Net interest margin (tax-equivalent) | 3.90 | % | 3.80 | % | 3.21 | % | |||||||||||||||||||||||
Core net interest margin (tax-equivalent) (non-GAAP) 1 | 3.86 | % | 3.73 | % | 3.18 | % | |||||||||||||||||||||||
| Three Months ended | $ Change from | ||||||||||||||||||||||||||||
| (Dollars in thousands) | Jun 30, 2026 | Mar 31, 2026 | Jun 30, 2025 | Mar 31, 2026 | Jun 30, 2025 | ||||||||||||||||||||||||
Compensation and employee benefits | $ | 116,299 | 115,770 | 94,355 | 529 | 21,944 | |||||||||||||||||||||||
| Occupancy and equipment | 15,661 | 15,682 | 12,558 | (21) | 3,103 | ||||||||||||||||||||||||
| Advertising and promotions | 5,092 | 5,256 | 4,394 | (164) | 698 | ||||||||||||||||||||||||
| Data processing | 12,380 | 13,273 | 9,883 | (893) | 2,497 | ||||||||||||||||||||||||
| Other real estate owned and foreclosed assets | 83 | 206 | 26 | (123) | 57 | ||||||||||||||||||||||||
Regulatory assessments and insurance | 5,506 | 6,403 | 5,847 | (897) | (341) | ||||||||||||||||||||||||
Intangibles amortization | 4,799 | 4,799 | 3,624 | — | 1,175 | ||||||||||||||||||||||||
| Other expenses | 26,880 | 39,140 | 24,432 | (12,260) | 2,448 | ||||||||||||||||||||||||
| Total non-interest expense | $ | 186,700 | 200,529 | 155,119 | (13,829) | 31,581 | |||||||||||||||||||||||
| (Dollars in thousands) | Provision for Credit Losses on Loans | Net Charge-Offs (Recoveries) | Allowance for Credit Losses as a Percent of Loans | Accruing Loans 30-89 Days Past Due as a Percent of Loans | Non-Performing Assets to Total Sub-sidiary Assets | ||||||||||||||||||||||||
| Second quarter 2026 | $ | 10,125 | $ | 5,871 | 1.22 | % | 0.31 | % | 0.29 | % | |||||||||||||||||||
| First quarter 2026 | 3,514 | 3,062 | 1.22 | % | 0.44 | % | 0.25 | % | |||||||||||||||||||||
| Fourth quarter 2025 | 32,491 | 6,368 | 1.22 | % | 0.38 | % | 0.22 | % | |||||||||||||||||||||
| Third quarter 2025 | 5,192 | 2,914 | 1.22 | % | 0.21 | % | 0.19 | % | |||||||||||||||||||||
| Second quarter 2025 | 18,009 | 1,645 | 1.22 | % | 0.29 | % | 0.17 | % | |||||||||||||||||||||
| First quarter 2025 | 6,154 | 1,795 | 1.22 | % | 0.27 | % | 0.14 | % | |||||||||||||||||||||
| Fourth quarter 2024 | 6,041 | 5,170 | 1.19 | % | 0.19 | % | 0.10 | % | |||||||||||||||||||||
| Third quarter 2024 | 6,981 | 2,766 | 1.19 | % | 0.33 | % | 0.10 | % | |||||||||||||||||||||
| Six Months ended | |||||||||||||||||||||||
| (Dollars in thousands) | Jun 30, 2026 | Jun 30, 2025 | $ Change | % Change | |||||||||||||||||||
| Net interest income | |||||||||||||||||||||||
| Interest income | $ | 727,557 | 598,040 | 129,517 | 22 | % | |||||||||||||||||
| Interest expense | 182,452 | 200,445 | (17,993) | (9) | % | ||||||||||||||||||
| Total net interest income | 545,105 | 397,595 | 147,510 | 37 | % | ||||||||||||||||||
| Non-interest income | |||||||||||||||||||||||
| Deposit service charges and other fees | 31,616 | 27,125 | 4,491 | 17 | % | ||||||||||||||||||
| Payment services | 23,380 | 19,785 | 3,595 | 18 | % | ||||||||||||||||||
Miscellaneous loan fees and charges | 4,837 | 3,581 | 1,256 | 35 | % | ||||||||||||||||||
| Gain on sale of loans | 10,115 | 8,584 | 1,531 | 18 | % | ||||||||||||||||||
| Gain (loss) on sale of securities | — | — | — | N/A | |||||||||||||||||||
| Other income | 9,235 | 6,511 | 2,724 | 42 | % | ||||||||||||||||||
Total non-interest income | 79,183 | 65,586 | 13,597 | 21 | % | ||||||||||||||||||
| Total income | $ | 624,288 | 463,181 | 161,107 | 35 | % | |||||||||||||||||
Net interest margin (tax-equivalent) | 3.85 | % | 3.12 | % | |||||||||||||||||||
Core net interest margin (tax-equivalent) (non-GAAP) 1 | 3.79 | % | 3.08 | % | |||||||||||||||||||
| Six Months ended | |||||||||||||||||||||||
| (Dollars in thousands) | Jun 30, 2026 | Jun 30, 2025 | $ Change | % Change | |||||||||||||||||||
Compensation and employee benefits | $ | 232,069 | $ | 185,798 | $ | 46,271 | 25 | % | |||||||||||||||
| Occupancy and equipment | 31,343 | 24,852 | 6,491 | 26 | % | ||||||||||||||||||
| Advertising and promotions | 10,348 | 8,538 | 1,810 | 21 | % | ||||||||||||||||||
| Data processing | 25,653 | 19,021 | 6,632 | 35 | % | ||||||||||||||||||
| Other real estate owned and foreclosed assets | 289 | 89 | 200 | 225 | % | ||||||||||||||||||
Regulatory assessments and insurance | 11,909 | 11,381 | 528 | 5 | % | ||||||||||||||||||
Intangibles amortization | 9,598 | 6,894 | 2,704 | 39 | % | ||||||||||||||||||
| Other expenses | 66,020 | 49,864 | 16,156 | 32 | % | ||||||||||||||||||
| Total non-interest expense | $ | 387,229 | $ | 306,437 | $ | 80,792 | 26 | % | |||||||||||||||
| (Dollars in thousands) | Jun 30, 2026 | Mar 31, 2026 | Dec 31, 2025 | Jun 30, 2025 | |||||||||||||||||||
| Tangible Equity | |||||||||||||||||||||||
| Total stockholders’ equity | $ | 4,313,022 | $ | 4,248,499 | 4,213,821 | 3,532,264 | |||||||||||||||||
| Less: goodwill and intangible assets, net | (1,473,954) | (1,478,753) | (1,483,552) | (1,186,350) | |||||||||||||||||||
| Tangible stockholders' equity (non-GAAP) | $ | 2,839,068 | $ | 2,769,746 | 2,730,269 | 2,345,914 | |||||||||||||||||
| Tangible Assets | |||||||||||||||||||||||
| Total assets | $ | 31,599,001 | $ | 31,734,082 | 31,978,063 | 29,004,983 | |||||||||||||||||
| Less: goodwill and intangible assets, net | (1,473,954) | (1,478,753) | (1,483,552) | (1,186,350) | |||||||||||||||||||
| Tangible assets (non-GAAP) | $ | 30,125,047 | $ | 30,255,329 | 30,494,511 | 27,818,633 | |||||||||||||||||
| Tangible equity to tangible assets (non-GAAP) | 9.42 | % | 9.15 | % | 8.95 | % | 8.43 | % | |||||||||||||||
| Book value per share | $ | 33.13 | $ | 32.65 | $ | 32.42 | $ | 29.80 | |||||||||||||||
| Tangible book value per share (non-GAAP) | $ | 21.81 | $ | 21.29 | $ | 21.01 | $ | 19.79 | |||||||||||||||
| At or for the Three Months ended | At or for the Six Months ended | ||||||||||||||||||||||||||||
| (Dollars in thousands) | Jun 30, 2026 | Mar 31, 2026 | Jun 30, 2025 | Jun 30, 2026 | Jun 30, 2025 | ||||||||||||||||||||||||
| Core Net Interest Margin | |||||||||||||||||||||||||||||
Net interest income (tax equivalent) 1 | $ | 280,016 | 272,383 | 211,081 | 552,399 | 404,481 | |||||||||||||||||||||||
| Purchase accounting | (3,832) | (5,140) | (2,103) | (8,973) | (5,463) | ||||||||||||||||||||||||
| Non-accrual loan interest (recovery) reversal | 825 | (42) | 191 | 784 | 204 | ||||||||||||||||||||||||
| Core net interest income (tax equivalent) (non-GAAP) | $ | 277,009 | 267,201 | 209,169 | 544,210 | 399,222 | |||||||||||||||||||||||
| Average earning assets | $ | 28,793,343 | 29,078,665 | 26,401,636 | 28,935,216 | 26,117,798 | |||||||||||||||||||||||
| Net interest margin (tax equivalent) | 3.90 | % | 3.80 | % | 3.21 | % | 3.85 | % | 3.12 | % | |||||||||||||||||||
| Core net interest margin (tax equivalent) (non- GAAP) | 3.86 | % | 3.73 | % | 3.18 | % | 3.79 | % | 3.08 | % | |||||||||||||||||||
| At or for the Three Months ended | At or for the Six Months ended | ||||||||||||||||||||||||||||
| (Dollars in thousands) | Jun 30, 2026 | Mar 31, 2026 | Jun 30, 2025 | Jun 30, 2026 | Jun 30, 2025 | ||||||||||||||||||||||||
| Operating Diluted Earnings Per Share | |||||||||||||||||||||||||||||
| Net income | $ | 97,862 | 82,144 | 52,781 | 180,006 | 107,349 | |||||||||||||||||||||||
| Provision for credit losses - acquisition ACL expense | — | — | 16,693 | — | 16,693 | ||||||||||||||||||||||||
| Operating adjustments - non-interest income | |||||||||||||||||||||||||||||
| (Gain) loss on securities | — | — | — | — | — | ||||||||||||||||||||||||
| BOLI proceeds | (63) | (776) | — | (839) | (1,113) | ||||||||||||||||||||||||
| Total operating adjustments - non-interest income | (63) | (776) | — | (839) | (1,113) | ||||||||||||||||||||||||
| Operating adjustments - non-interest expense | |||||||||||||||||||||||||||||
| Acquisition-related compensation | 2,462 | 2,775 | 544 | 5,237 | 795 | ||||||||||||||||||||||||
| Lease terminations | — | 200 | — | 200 | — | ||||||||||||||||||||||||
| FDIC special assessment | — | (87) | — | (87) | (219) | ||||||||||||||||||||||||
| (Gain) loss on fixed assets | (2,618) | 445 | (1,612) | (2,173) | (2,622) | ||||||||||||||||||||||||
| Acquisition-related expense | 1,590 | 8,907 | 3,231 | 10,497 | 3,818 | ||||||||||||||||||||||||
| Total operating adjustments - non-interest expense | 1,434 | 12,240 | 2,163 | 13,674 | 1,772 | ||||||||||||||||||||||||
| Tax impact | (341) | (3,028) | (4,699) | (3,369) | (4,432) | ||||||||||||||||||||||||
| Net operating adjustments | 1,030 | 8,436 | 14,157 | 9,466 | 12,920 | ||||||||||||||||||||||||
| Operating net income (non-GAAP) | $ | 98,892 | 90,580 | 66,938 | 189,472 | 120,269 | |||||||||||||||||||||||
| Weighted average diluted common shares outstanding | 130,346,888 | 130,242,765 | 116,890,776 | 130,283,236 | 115,244,550 | ||||||||||||||||||||||||
| Diluted EPS | $ | 0.75 | $ | 0.63 | $ | 0.45 | $ | 1.38 | $ | 0.93 | |||||||||||||||||||
| Operating diluted EPS (non-GAAP) | $ | 0.76 | $ | 0.70 | $ | 0.57 | $ | 1.45 | $ | 1.04 | |||||||||||||||||||
At or for the Three Months ended | At or for the Six Months ended | ||||||||||||||||||||||||||||
| (Dollars in thousands) | June 30, 2026 | March 31, 2026 | June 30, 2025 | June 30, 2026 | June 30, 2025 | ||||||||||||||||||||||||
| Operating Efficiency Ratio | |||||||||||||||||||||||||||||
| Non-interest expense | $ | 186,700 | $ | 200,529 | $ | 155,119 | $ | 387,229 | $ | 306,437 | |||||||||||||||||||
| OREO expense | (60) | (16) | (13) | (76) | (31) | ||||||||||||||||||||||||
| Intangible amortization | (4,799) | (4,799) | (3,624) | (9,598) | (6,894) | ||||||||||||||||||||||||
| Total expenses | 181,841 | 195,714 | 151,482 | 377,555 | 299,512 | ||||||||||||||||||||||||
Operating expense adjustments (pre-tax) 1 | (1,434) | (12,240) | (2,163) | (13,674) | (1,772) | ||||||||||||||||||||||||
| Total operating non-interest expense (non-GAAP) | 180,407 | 183,474 | 149,319 | 363,881 | 297,740 | ||||||||||||||||||||||||
| Net interest income (tax equivalent) | 280,016 | 272,383 | 211,081 | 552,399 | 404,481 | ||||||||||||||||||||||||
| Non-interest income | 41,101 | 38,082 | 32,944 | 79,183 | 65,586 | ||||||||||||||||||||||||
| Gain (loss) on sale of securities | — | — | — | — | — | ||||||||||||||||||||||||
| OREO income | (110) | (35) | — | (145) | — | ||||||||||||||||||||||||
| Total revenues | 321,007 | 310,430 | 244,025 | 631,437 | 470,067 | ||||||||||||||||||||||||
| Operating revenue adjustments (pre-tax) | (63) | (776) | — | (839) | (1,113) | ||||||||||||||||||||||||
| Total revenues (non-GAAP) | $ | 320,944 | $ | 309,654 | $ | 244,025 | $ | 630,598 | $ | 468,954 | |||||||||||||||||||
| Efficiency ratio | 56.65 | % | 63.05 | % | 62.08 | % | 59.79 | % | 63.72 | % | |||||||||||||||||||
| Efficiency ratio (non-GAAP) | 56.21 | % | 59.25 | % | 61.19 | % | 57.70 | % | 63.49 | % | |||||||||||||||||||
| June 30, 2026 | December 31, 2025 | June 30, 2025 | |||||||||||||||||||||||||||||||||
| (Dollars in thousands) | Carrying Amount | Percent | Carrying Amount | Percent | Carrying Amount | Percent | |||||||||||||||||||||||||||||
| Available-for-sale | |||||||||||||||||||||||||||||||||||
| U.S. government and federal agency | $ | 65,743 | 1 | % | $ | 255,930 | 4 | % | $ | 425,300 | 6 | % | |||||||||||||||||||||||
| U.S. government sponsored enterprises | 123,985 | 2 | % | 312,488 | 4 | % | 315,982 | 4 | % | ||||||||||||||||||||||||||
| State and local governments | 137,353 | 2 | % | 164,084 | 2 | % | 70,704 | 1 | % | ||||||||||||||||||||||||||
| Corporate bonds | 11,466 | — | % | 33,949 | 1 | % | 14,633 | 1 | % | ||||||||||||||||||||||||||
| Residential mortgage-backed securities | 1,962,861 | 31 | % | 2,215,119 | 31 | % | 2,187,864 | 30 | % | ||||||||||||||||||||||||||
| Commercial mortgage-backed securities | 1,181,317 | 18 | % | 1,025,942 | 14 | % | 1,010,497 | 14 | % | ||||||||||||||||||||||||||
Total available-for-sale | 3,482,725 | 54 | % | 4,007,512 | 56 | % | 4,024,980 | 56 | % | ||||||||||||||||||||||||||
| Held-to-maturity | |||||||||||||||||||||||||||||||||||
| U.S. government and federal agency | 868,813 | 13 | % | 865,696 | 12 | % | 862,536 | 12 | % | ||||||||||||||||||||||||||
| State and local governments | 1,560,541 | 24 | % | 1,587,673 | 23 | % | 1,600,848 | 22 | % | ||||||||||||||||||||||||||
| Residential mortgage-backed securities | 575,404 | 9 | % | 656,847 | 9 | % | 742,749 | 10 | % | ||||||||||||||||||||||||||
| Total held-to-maturity | 3,004,758 | 46 | % | 3,110,216 | 44 | % | 3,206,133 | 44 | % | ||||||||||||||||||||||||||
| Total debt securities | $ | 6,487,483 | 100 | % | $ | 7,117,728 | 100 | % | $ | 7,231,113 | 100 | % | |||||||||||||||||||||||
| June 30, 2026 | December 31, 2025 | ||||||||||||||||||||||
| (Dollars in thousands) | Amortized Cost | Fair Value | Amortized Cost | Fair Value | |||||||||||||||||||
S&P: AAA / Moody’s: Aaa | $ | 460,449 | 423,561 | 470,591 | 430,538 | ||||||||||||||||||
S&P: AA+, AA, AA- / Moody’s: Aa1, Aa2, Aa3 | 1,194,047 | 1,072,233 | 1,228,601 | 1,093,684 | |||||||||||||||||||
S&P: A+, A, A- / Moody’s: A1, A2, A3 | 33,936 | 33,520 | 45,339 | 45,083 | |||||||||||||||||||
| S&P: BBB+, BBB, BBB- / Moody’s: Baa1, Baa2, Baa3 | 120 | 120 | — | — | |||||||||||||||||||
Not rated by either entity | 11,053 | 10,788 | 8,447 | 8,170 | |||||||||||||||||||
Total | $ | 1,699,605 | 1,540,222 | 1,752,978 | 1,577,475 | ||||||||||||||||||
| June 30, 2026 | December 31, 2025 | ||||||||||||||||||||||
| (Dollars in thousands) | Amortized Cost | Fair Value | Amortized Cost | Fair Value | |||||||||||||||||||
General obligation - unlimited | $ | 336,005 | 317,504 | 368,095 | 348,356 | ||||||||||||||||||
General obligation - limited | 191,507 | 175,123 | 204,370 | 185,810 | |||||||||||||||||||
| Revenue | 1,133,835 | 1,011,908 | 1,142,091 | 1,008,112 | |||||||||||||||||||
Certificate of participation | 34,977 | 32,373 | 35,134 | 31,854 | |||||||||||||||||||
Other | 3,281 | 3,314 | 3,288 | 3,343 | |||||||||||||||||||
Total | $ | 1,699,605 | 1,540,222 | 1,752,978 | 1,577,475 | ||||||||||||||||||
| June 30, 2026 | December 31, 2025 | ||||||||||||||||||||||
| (Dollars in thousands) | Amortized Cost | Fair Value | Amortized Cost | Fair Value | |||||||||||||||||||
| New York | $ | 366,918 | 334,271 | 367,478 | 332,746 | ||||||||||||||||||
| Texas | 184,573 | 175,412 | 204,775 | 194,031 | |||||||||||||||||||
| California | 108,221 | 101,441 | 108,915 | 101,273 | |||||||||||||||||||
| Washington | 85,690 | 79,211 | 86,633 | 78,960 | |||||||||||||||||||
| Colorado | 77,268 | 69,769 | 77,665 | 68,872 | |||||||||||||||||||
All other states | 876,935 | 780,118 | 907,512 | 801,593 | |||||||||||||||||||
Total | $ | 1,699,605 | 1,540,222 | 1,752,978 | 1,577,475 | ||||||||||||||||||
| One Year or Less | After One through Five Years | After Five through Ten Years | After Ten Years | Mortgage-Backed Securities 1 | Total | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| (Dollars in thousands) | Amount | Yield | Amount | Yield | Amount | Yield | Amount | Yield | Amount | Yield | Amount | Yield | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
Available-for-sale | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
U.S. government and federal agency | $ | 5,014 | 3.73 | % | $ | 54,375 | 3.66 | % | $ | 834 | 4.48 | % | $ | 5,520 | 3.63 | % | $ | — | — | % | $ | 65,743 | 3.73 | % | |||||||||||||||||||||||||||||||||||||||||||||||
U.S. government sponsored enterprises | 114,481 | 1.39 | % | 9,504 | 3.71 | % | — | — | % | — | — | % | — | — | % | 123,985 | 1.56 | % | |||||||||||||||||||||||||||||||||||||||||||||||||||||
State and local governments | 5,326 | 2.47 | % | 24,161 | 2.91 | % | 61,364 | 3.21 | % | 46,502 | 3.73 | % | — | — | % | 137,353 | 3.30 | % | |||||||||||||||||||||||||||||||||||||||||||||||||||||
Corporate bonds | — | — | % | 9,868 | 6.41 | % | 903 | 5.93 | % | 695 | 0.46 | % | — | — | % | 11,466 | 6.01 | % | |||||||||||||||||||||||||||||||||||||||||||||||||||||
Residential mortgage-backed securities | — | — | % | — | — | % | — | — | % | — | — | % | 1,962,861 | 1.43 | % | 1,962,861 | 1.43 | % | |||||||||||||||||||||||||||||||||||||||||||||||||||||
Commercial mortgage-backed securities | — | — | % | — | — | % | — | — | % | — | — | % | 1,181,317 | 3.82 | % | 1,181,317 | 3.82 | % | |||||||||||||||||||||||||||||||||||||||||||||||||||||
Total available-for-sale | 124,821 | 1.53 | % | 97,908 | 3.79 | % | 63,101 | 3.26 | % | 52,717 | 3.67 | % | 3,144,178 | 2.30 | % | 3,482,725 | 2.35 | % | |||||||||||||||||||||||||||||||||||||||||||||||||||||
Held-to-maturity | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
U.S. government and federal agency | 502,657 | 1.12 | % | 366,156 | 1.22 | % | — | — | % | — | — | % | — | — | % | 868,813 | 1.16 | % | |||||||||||||||||||||||||||||||||||||||||||||||||||||
State and local governments | 7,691 | 3.80 | % | 114,157 | 3.54 | % | 258,479 | 3.41 | % | 1,180,214 | 3.03 | % | — | — | % | 1,560,541 | 3.13 | % | |||||||||||||||||||||||||||||||||||||||||||||||||||||
Residential mortgage-backed securities | — | — | % | — | — | % | — | — | % | — | — | % | 575,404 | 0.99 | % | 575,404 | 0.99 | % | |||||||||||||||||||||||||||||||||||||||||||||||||||||
Total held-to-maturity | 510,348 | 1.16 | % | 480,313 | 1.77 | % | 258,479 | 3.41 | % | 1,180,214 | 3.03 | % | 575,404 | 0.99 | % | 3,004,758 | 2.15 | % | |||||||||||||||||||||||||||||||||||||||||||||||||||||
Total debt securities | $ | 635,169 | 1.23 | % | $ | 578,221 | 2.11 | % | $ | 321,580 | 3.38 | % | $ | 1,232,931 | 3.05 | % | $ | 3,719,582 | 2.11 | % | $ | 6,487,483 | 2.26 | % | |||||||||||||||||||||||||||||||||||||||||||||||
| June 30, 2026 | December 31, 2025 | June 30, 2025 | |||||||||||||||||||||||||||||||||
| (Dollars in thousands) | Amount | Percent | Amount | Percent | Amount | Percent | |||||||||||||||||||||||||||||
| Residential real estate | $ | 2,111,683 | 10 | % | $ | 2,457,907 | 12 | % | $ | 1,931,554 | 11 | % | |||||||||||||||||||||||
| Commercial real estate | 14,155,059 | 67 | % | 13,565,512 | 65 | % | 11,935,109 | 65 | % | ||||||||||||||||||||||||||
| Other commercial | 3,615,240 | 17 | % | 3,497,829 | 17 | % | 3,303,889 | 18 | % | ||||||||||||||||||||||||||
| Home equity | 1,054,110 | 5 | % | 977,206 | 5 | % | 975,429 | 5 | % | ||||||||||||||||||||||||||
| Other consumer | 427,631 | 2 | % | 429,342 | 2 | % | 386,759 | 2 | % | ||||||||||||||||||||||||||
Loans receivable 1 | 21,363,723 | 101 | % | 20,927,796 | 101 | % | 18,532,740 | 101 | % | ||||||||||||||||||||||||||
| Allowance for credit losses | (260,025) | (1) | % | (255,319) | (1) | % | (226,799) | (1) | % | ||||||||||||||||||||||||||
| Loans receivable, net | $ | 21,103,698 | 100 | % | $ | 20,672,477 | 100 | % | $ | 18,305,941 | 100 | % | |||||||||||||||||||||||
| June 30, 2026 | |||||||||||||||||||||||
| (Dollars in thousands) | Owner Occupied | Non-Owner Occupied | Total | Percent of total CRE | |||||||||||||||||||
| Office | $ | 795,836 | $ | 934,489 | $ | 1,730,325 | 12 | % | |||||||||||||||
| Retail | 517,948 | 1,195,404 | 1,713,352 | 12 | % | ||||||||||||||||||
| Industrial and warehouse | 979,832 | 567,258 | 1,547,090 | 11 | % | ||||||||||||||||||
| Multi-family | — | 1,381,319 | 1,381,319 | 10 | % | ||||||||||||||||||
| Hotel | — | 896,605 | 896,605 | 6 | % | ||||||||||||||||||
| Mini and RV Storage | 21,653 | 774,886 | 796,539 | 6 | % | ||||||||||||||||||
| Medical and nursing | 363,908 | 358,344 | 722,252 | 5 | % | ||||||||||||||||||
| Agriculture real estate | 703,701 | — | 703,701 | 5 | % | ||||||||||||||||||
| Land | 87,062 | 607,084 | 694,146 | 5 | % | ||||||||||||||||||
| Restaurant and entertainment | 315,751 | 154,176 | 469,927 | 3 | % | ||||||||||||||||||
| Automotive and transportation | 390,872 | 88,149 | 479,021 | 3 | % | ||||||||||||||||||
| Other commercial real estate | 2,404,186 | 616,596 | 3,020,782 | 22 | % | ||||||||||||||||||
| Total commercial real estate | $ | 6,580,749 | $ | 7,574,310 | $ | 14,155,059 | 100 | % | |||||||||||||||
| (Dollars in thousands) | June 30, 2026 | ||||||||||
| Amount | Percent of total CRE | ||||||||||
| Montana | $ | 3,293,031 | 23.3 | % | |||||||
| Utah | 2,178,381 | 15.4 | % | ||||||||
| Idaho | 1,928,665 | 13.6 | % | ||||||||
| Texas | 1,485,681 | 10.5 | % | ||||||||
| Arizona | 1,435,288 | 10.1 | % | ||||||||
| Colorado | 1,218,960 | 8.6 | % | ||||||||
| Washington | 1,010,847 | 7.1 | % | ||||||||
| Wyoming | 830,808 | 5.9 | % | ||||||||
| Nevada | 773,398 | 5.5 | % | ||||||||
| Total commercial real estate | $ | 14,155,059 | 100 | % | |||||||
| At or for the Six Months ended | At or for the Three Months ended | At or for the Year ended | At or for the Six Months ended | ||||||||||||||||||||
| (Dollars in thousands) | June 30, 2026 | March 31, 2026 | December 31, 2025 | June 30, 2025 | |||||||||||||||||||
| Other real estate owned and foreclosed assets | $ | 1,541 | 1,610 | 411 | 1,879 | ||||||||||||||||||
| Accruing loans 90 days or more past due | 15,867 | 13,470 | 5,997 | 11,371 | |||||||||||||||||||
| Non-accrual loans | 74,441 | 64,415 | 62,487 | 35,356 | |||||||||||||||||||
| Total non-performing assets | $ | 91,849 | 79,495 | 68,895 | 48,606 | ||||||||||||||||||
Non-performing assets as a percentage of subsidiary assets | 0.29 | % | 0.25 | % | 0.22 | % | 0.17 | % | |||||||||||||||
ACL as a percentage of non-performing loans | 288 | % | 328 | % | 373 | % | 485 | % | |||||||||||||||
| Accruing loans 30-89 days past due | $ | 65,483 | 91,760 | 78,826 | 54,403 | ||||||||||||||||||
U.S. government guarantees included in non-performing assets | $ | 7,497 | 8,066 | 8,733 | 2,651 | ||||||||||||||||||
Interest income 1 | $ | 2,254 | 984 | 3,669 | 1,016 | ||||||||||||||||||
| At or for the Six Months ended | At or for the Three Months ended | At or for the Year ended | At or for the Six Months ended | ||||||||||||||||||||
| (Dollars in thousands) | June 30, 2026 | March 31, 2026 | December 31, 2025 | June 30, 2025 | |||||||||||||||||||
| Balance at beginning of period | $ | 411 | 411 | 1,164 | 1,164 | ||||||||||||||||||
| Acquisitions | — | — | — | 1,397 | |||||||||||||||||||
| Additions | 1,992 | 1,374 | 2,367 | — | |||||||||||||||||||
| Write-downs | (14) | — | (76) | — | |||||||||||||||||||
| Sales | (848) | (175) | (3,044) | (682) | |||||||||||||||||||
| Balance at end of period | $ | 1,541 | 1,610 | 411 | 1,879 | ||||||||||||||||||
| June 30, 2026 | December 31, 2025 | June 30, 2025 | |||||||||||||||||||||||||||||||||||||||||||||||||||
| (Dollars in thousands) | ACL | Percent of ACL in Category | Percent of Loans in Category | ACL | Percent of ACL in Category | Percent of Loans in Category | ACL | Percent of ACL in Category | Percent of Loans in Category | ||||||||||||||||||||||||||||||||||||||||||||
Residential real estate | $ | 25,226 | 10 | % | 10 | % | $ | 31,875 | 12 | % | 12 | % | $ | 27,915 | 12 | % | 10 | % | |||||||||||||||||||||||||||||||||||
Commercial real estate | 179,701 | 69 | % | 66 | % | 166,803 | 65 | % | 65 | % | 152,189 | 67 | % | 65 | % | ||||||||||||||||||||||||||||||||||||||
| Other commercial | 36,353 | 14 | % | 17 | % | 37,954 | 15 | % | 16 | % | 28,316 | 13 | % | 18 | % | ||||||||||||||||||||||||||||||||||||||
| Home equity | 11,437 | 4 | % | 5 | % | 11,645 | 5 | % | 5 | % | 11,701 | 5 | % | 5 | % | ||||||||||||||||||||||||||||||||||||||
| Other consumer | 7,308 | 3 | % | 2 | % | 7,042 | 3 | % | 2 | % | 6,678 | 3 | % | 2 | % | ||||||||||||||||||||||||||||||||||||||
| Total | $ | 260,025 | 100 | % | 100 | % | $ | 255,319 | 100 | % | 100 | % | $ | 226,799 | 100 | % | 100 | % | |||||||||||||||||||||||||||||||||||
| At or for the Six Months ended | At or for the Three Months ended | At or for the Year ended | At or for the Six Months ended | ||||||||||||||||||||
| (Dollars in thousands) | June 30, 2026 | March 31, 2026 | December 31, 2025 | June 30, 2025 | |||||||||||||||||||
| Balance at beginning of period | $ | 255,319 | 255,319 | 206,041 | 206,041 | ||||||||||||||||||
| Acquisitions | — | — | 154 | 35 | |||||||||||||||||||
| Provision for credit losses | 13,639 | 3,514 | 61,846 | 24,163 | |||||||||||||||||||
| Net (charge-offs) recoveries | |||||||||||||||||||||||
| Residential real estate | 22 | 14 | 273 | 192 | |||||||||||||||||||
| Commercial real estate | (1,278) | (94) | (1,827) | 311 | |||||||||||||||||||
| Other commercial | (3,752) | (1,094) | (3,568) | (685) | |||||||||||||||||||
| Home equity | (288) | (295) | (28) | 33 | |||||||||||||||||||
| Other consumer | (3,637) | (1,593) | (7,572) | (3,291) | |||||||||||||||||||
| Net charge-offs | (8,933) | (3,062) | (12,722) | (3,440) | |||||||||||||||||||
| Balance at end of period | $ | 260,025 | 255,771 | 255,319 | 226,799 | ||||||||||||||||||
ACL as a percentage of total loans | 1.22 | % | 1.22 | % | 1.22 | % | 1.22 | % | |||||||||||||||
| Non-accrual loans as a percentage of total loans | 0.35 | % | 0.31 | % | 0.30 | % | 0.19 | % | |||||||||||||||
| ACL as a percentage of non-accrual loans | 349.30 | % | 397.07 | % | 408.60 | % | 641.47 | % | |||||||||||||||
| June 30, 2026 | March 31, 2026 | December 31, 2025 | June 30, 2025 | ||||||||||||||||||||
| Residential real estate | — | % | — | % | 0.01 | % | — | % | |||||||||||||||
| Commercial real estate | (0.01) | % | — | % | (0.02) | % | — | % | |||||||||||||||
| Other commercial | (0.11) | % | (0.03) | % | (0.11) | % | (0.02) | % | |||||||||||||||
| Home equity | (0.03) | % | (0.03) | % | — | % | — | % | |||||||||||||||
| Other consumer | (0.85) | % | (0.37) | % | (1.91) | % | (0.86) | % | |||||||||||||||
| Total net (charge-offs) recoveries | (0.04) | % | (0.01) | % | (0.70) | % | (0.02) | % | |||||||||||||||
| Loans Receivable, by Loan Type | % Change from | ||||||||||||||||||||||||||||||||||||||||
| (Dollars in thousands) | Jun 30, 2026 | Mar 31, 2026 | Dec 31, 2025 | Jun 30, 2025 | Mar 31, 2026 | Dec 31, 2025 | Jun 30, 2025 | ||||||||||||||||||||||||||||||||||
Custom and owner occupied construction | $ | 240,093 | $ | 227,869 | $ | 263,713 | $ | 254,790 | 5 | % | (9) | % | (6) | % | |||||||||||||||||||||||||||
Pre-sold and spec construction | 261,642 | 268,831 | 255,542 | 208,106 | (3) | % | 2 | % | 26 | % | |||||||||||||||||||||||||||||||
Total residential construction | 501,735 | 496,700 | 519,255 | 462,896 | 1 | % | (3) | % | 8 | % | |||||||||||||||||||||||||||||||
| Land development | 232,548 | 218,943 | 263,262 | 176,925 | 6 | % | (12) | % | 31 | % | |||||||||||||||||||||||||||||||
| Consumer land or lots | 231,468 | 234,467 | 247,769 | 229,823 | (1) | % | (7) | % | 1 | % | |||||||||||||||||||||||||||||||
| Unimproved land | 256,084 | 240,944 | 167,796 | 127,550 | 6 | % | 53 | % | 101 | % | |||||||||||||||||||||||||||||||
Developed lots for operative builders | 51,831 | 50,056 | 69,786 | 73,053 | 4 | % | (26) | % | (29) | % | |||||||||||||||||||||||||||||||
| Commercial lots | 131,320 | 120,528 | 155,631 | 175,929 | 9 | % | (16) | % | (25) | % | |||||||||||||||||||||||||||||||
| Other construction | 1,254,856 | 1,144,637 | 1,122,350 | 753,056 | 10 | % | 12 | % | 67 | % | |||||||||||||||||||||||||||||||
Total land, lot, and other construction | 2,158,107 | 2,009,575 | 2,026,594 | 1,536,336 | 7 | % | 6 | % | 40 | % | |||||||||||||||||||||||||||||||
| Owner occupied | 3,928,083 | 3,908,697 | 3,950,726 | 3,529,536 | — | % | (1) | % | 11 | % | |||||||||||||||||||||||||||||||
| Non-owner occupied | 5,195,855 | 5,125,101 | 4,859,173 | 4,283,986 | 1 | % | 7 | % | 21 | % | |||||||||||||||||||||||||||||||
Total commercial real estate | 9,123,938 | 9,033,798 | 8,809,899 | 7,813,522 | 1 | % | 4 | % | 17 | % | |||||||||||||||||||||||||||||||
| Commercial and industrial | 1,687,362 | 1,630,625 | 1,649,101 | 1,545,498 | 3 | % | 2 | % | 9 | % | |||||||||||||||||||||||||||||||
| Agriculture | 1,313,581 | 1,252,040 | 1,282,861 | 1,167,611 | 5 | % | 2 | % | 13 | % | |||||||||||||||||||||||||||||||
| First lien | 2,996,965 | 3,051,563 | 3,098,023 | 2,590,433 | (2) | % | (3) | % | 16 | % | |||||||||||||||||||||||||||||||
| Junior lien | 110,601 | 103,240 | 106,205 | 80,170 | 7 | % | 4 | % | 38 | % | |||||||||||||||||||||||||||||||
| Total 1-4 family | 3,107,566 | 3,154,803 | 3,204,228 | 2,670,603 | (1) | % | (3) | % | 16 | % | |||||||||||||||||||||||||||||||
| Multifamily residential | 1,075,562 | 1,068,813 | 1,019,484 | 975,785 | 1 | % | 6 | % | 10 | % | |||||||||||||||||||||||||||||||
| Home equity lines of credit | 1,089,052 | 1,081,438 | 1,076,201 | 1,048,595 | 1 | % | 1 | % | 4 | % | |||||||||||||||||||||||||||||||
| Other consumer | 222,289 | 227,762 | 237,393 | 197,744 | (2) | % | (6) | % | 12 | % | |||||||||||||||||||||||||||||||
| Total consumer | 1,311,341 | 1,309,200 | 1,313,594 | 1,246,339 | — | % | — | % | 5 | % | |||||||||||||||||||||||||||||||
| States and political subdivisions | 950,829 | 945,587 | 964,591 | 973,145 | 1 | % | (1) | % | (2) | % | |||||||||||||||||||||||||||||||
| Other | 178,847 | 174,174 | 177,375 | 188,743 | 3 | % | 1 | % | (5) | % | |||||||||||||||||||||||||||||||
Total loans receivable, including loans held for sale | 21,408,868 | 21,075,315 | 20,966,982 | 18,580,478 | 2 | % | 2 | % | 15 | % | |||||||||||||||||||||||||||||||
Less loans held for sale 1 | (45,145) | (41,652) | (39,186) | (47,738) | 8 | % | 15 | % | (5) | % | |||||||||||||||||||||||||||||||
| Total loans receivable | $ | 21,363,723 | $ | 21,033,663 | $ | 20,927,796 | $ | 18,532,740 | 2 | % | 2 | % | 15 | % | |||||||||||||||||||||||||||
Non-performing Assets, by Loan Type | Non- Accrual Loans | Accruing Loans 90 Days or More Past Due | Other Real Estate Owned | ||||||||||||||||||||||||||||||||||||||
| (Dollars in thousands) | Jun 30, 2026 | Mar 31, 2026 | Dec 31, 2025 | Jun 30, 2025 | Jun 30, 2026 | Jun 30, 2026 | Jun 30, 2026 | ||||||||||||||||||||||||||||||||||
Custom and owner occupied construction | $ | 397 | 404 | 183 | 235 | 397 | — | — | |||||||||||||||||||||||||||||||||
| Pre-sold and spec construction | — | 889 | 919 | 2,806 | — | — | — | ||||||||||||||||||||||||||||||||||
Total residential construction | 397 | 1,293 | 1,102 | 3,041 | 397 | — | — | ||||||||||||||||||||||||||||||||||
| Land development | 1,022 | 866 | 898 | 885 | 865 | 157 | — | ||||||||||||||||||||||||||||||||||
| Consumer land or lots | 248 | 17 | 79 | 460 | 15 | 233 | — | ||||||||||||||||||||||||||||||||||
Developed lots for operative builders | 113 | 567 | 456 | 531 | — | — | 113 | ||||||||||||||||||||||||||||||||||
| Commercial lots | — | — | 556 | 47 | — | — | — | ||||||||||||||||||||||||||||||||||
| Other construction | 500 | 580 | 129 | — | — | — | 500 | ||||||||||||||||||||||||||||||||||
Total land, lot and other construction | 1,883 | 2,030 | 2,118 | 1,923 | 880 | 390 | 613 | ||||||||||||||||||||||||||||||||||
| Owner occupied | 5,174 | 4,254 | 3,969 | 4,412 | 4,102 | 1,072 | — | ||||||||||||||||||||||||||||||||||
| Non-owner occupied | 24,176 | 18,423 | 7,606 | 1,206 | 21,115 | 3,061 | — | ||||||||||||||||||||||||||||||||||
Total commercial real estate | 29,350 | 22,677 | 11,575 | 5,618 | 25,217 | 4,133 | — | ||||||||||||||||||||||||||||||||||
| Commercial and industrial | 24,436 | 26,480 | 27,308 | 14,764 | 22,787 | 1,400 | 249 | ||||||||||||||||||||||||||||||||||
| Agriculture | 10,592 | 6,119 | 3,549 | 6,603 | 7,576 | 3,016 | — | ||||||||||||||||||||||||||||||||||
| First lien | 16,733 | 14,231 | 15,816 | 10,549 | 11,712 | 4,627 | 394 | ||||||||||||||||||||||||||||||||||
| Junior lien | 2,302 | 1,276 | 1,776 | 533 | 1,629 | 673 | — | ||||||||||||||||||||||||||||||||||
| Total 1-4 family | 19,035 | 15,507 | 17,592 | 11,082 | 13,341 | 5,300 | 394 | ||||||||||||||||||||||||||||||||||
| Multifamily residential | — | 409 | 395 | 398 | — | — | — | ||||||||||||||||||||||||||||||||||
| Home equity lines of credit | 4,932 | 3,746 | 3,968 | 4,016 | 3,561 | 1,160 | 211 | ||||||||||||||||||||||||||||||||||
| Other consumer | 1,071 | 1,151 | 1,229 | 921 | 682 | 315 | 74 | ||||||||||||||||||||||||||||||||||
| Total consumer | 6,003 | 4,897 | 5,197 | 4,937 | 4,243 | 1,475 | 285 | ||||||||||||||||||||||||||||||||||
| Other | 153 | 83 | 59 | 240 | — | 153 | — | ||||||||||||||||||||||||||||||||||
| Total | $ | 91,849 | 79,495 | 68,895 | 48,606 | 74,441 | 15,867 | 1,541 | |||||||||||||||||||||||||||||||||
| Accruing 30-89 Days Delinquent Loans, by Loan Type | % Change from | ||||||||||||||||||||||||||||||||||||||||
| (Dollars in thousands) | Jun 30, 2026 | Mar 31, 2026 | Dec 31, 2025 | Jun 30, 2025 | Mar 31, 2026 | Dec 31, 2025 | Jun 30, 2025 | ||||||||||||||||||||||||||||||||||
Custom and owner occupied construction | $ | 2,277 | $ | — | $ | 533 | $ | 385 | n/m | 327 | % | 491 | % | ||||||||||||||||||||||||||||
| Pre-sold and spec construction | 4,498 | 2,284 | 1,189 | — | 97 | % | 278 | % | n/m | ||||||||||||||||||||||||||||||||
Total residential construction | 6,775 | 2,284 | 1,722 | 385 | 197 | % | 293 | % | 1,660 | % | |||||||||||||||||||||||||||||||
| Land development | 2,290 | 416 | 3,994 | 170 | 450 | % | (43) | % | 1,247 | % | |||||||||||||||||||||||||||||||
| Consumer land or lots | 1,968 | 1,041 | 1,162 | 1,210 | 89 | % | 69 | % | 63 | % | |||||||||||||||||||||||||||||||
| Unimproved land | 18 | 454 | — | 75 | (96) | % | n/m | (76) | % | ||||||||||||||||||||||||||||||||
Developed lots for operative builders | — | 5,218 | 2,300 | — | (100) | % | (100) | % | n/m | ||||||||||||||||||||||||||||||||
| Commercial lots | 180 | — | 965 | — | n/m | (81) | % | n/m | |||||||||||||||||||||||||||||||||
| Other construction | — | — | 4,787 | 7,840 | n/m | (100) | % | (100) | % | ||||||||||||||||||||||||||||||||
Total land, lot and other construction | 4,456 | 7,129 | 13,208 | 9,295 | (37) | % | (66) | % | (52) | % | |||||||||||||||||||||||||||||||
| Owner occupied | 6,038 | 9,985 | 6,103 | 3,903 | (40) | % | (1) | % | 55 | % | |||||||||||||||||||||||||||||||
| Non-owner occupied | 18,064 | 21,459 | 15,388 | 13,806 | (16) | % | 17 | % | 31 | % | |||||||||||||||||||||||||||||||
Total commercial real estate | 24,102 | 31,444 | 21,491 | 17,709 | (23) | % | 12 | % | 36 | % | |||||||||||||||||||||||||||||||
| Commercial and industrial | 4,787 | 11,662 | 10,215 | 6,711 | (59) | % | (53) | % | (29) | % | |||||||||||||||||||||||||||||||
| Agriculture | 6,537 | 4,424 | 2,390 | 8,243 | 48 | % | 174 | % | (21) | % | |||||||||||||||||||||||||||||||
| First lien | 7,292 | 19,407 | 19,699 | 3,583 | (62) | % | (63) | % | 104 | % | |||||||||||||||||||||||||||||||
| Junior lien | 1,279 | 2,576 | 20 | — | (50) | % | 6,295 | % | n/m | ||||||||||||||||||||||||||||||||
| Total 1-4 family | 8,571 | 21,983 | 19,719 | 3,583 | (61) | % | (57) | % | 139 | % | |||||||||||||||||||||||||||||||
| Multifamily residential | 278 | 869 | 150 | — | (68) | % | 85 | n/m | |||||||||||||||||||||||||||||||||
| Home equity lines of credit | 5,354 | 7,111 | 5,415 | 5,482 | (25) | % | (1) | % | (2) | % | |||||||||||||||||||||||||||||||
| Other consumer | 1,990 | 1,755 | 1,866 | 1,615 | 13 | % | 7 | % | 23 | % | |||||||||||||||||||||||||||||||
| Total consumer | 7,344 | 8,866 | 7,281 | 7,097 | (17) | % | 1 | % | 3 | % | |||||||||||||||||||||||||||||||
| Other | 2,633 | 3,099 | 2,650 | 1,380 | (15) | % | (1) | % | 91 | % | |||||||||||||||||||||||||||||||
| Total | $ | 65,483 | $ | 91,760 | $ | 78,826 | $ | 54,403 | (29) | % | (17) | % | 20 | % | |||||||||||||||||||||||||||
| Net Charge-Offs (Recoveries), Year-to-Date Period Ending, By Loan Type | Charge-Offs | Recoveries | |||||||||||||||||||||||||||||||||
| (Dollars in thousands) | Jun 30, 2026 | Mar 31, 2026 | Dec 31, 2025 | Jun 30, 2025 | Jun 30, 2026 | Jun 30, 2026 | |||||||||||||||||||||||||||||
| Pre-sold and spec construction | $ | — | — | — | 50 | — | — | ||||||||||||||||||||||||||||
| Land development | — | — | (358) | (341) | — | — | |||||||||||||||||||||||||||||
| Consumer land or lots | — | — | (5) | (3) | — | — | |||||||||||||||||||||||||||||
Developed lots for operative builders | — | — | (8) | — | — | — | |||||||||||||||||||||||||||||
Total land, lot and other construction | — | — | (371) | (344) | — | — | |||||||||||||||||||||||||||||
| Owner occupied | 256 | — | (2) | (1) | 349 | 93 | |||||||||||||||||||||||||||||
| Non-owner occupied | 308 | — | 2,232 | (8) | 383 | 75 | |||||||||||||||||||||||||||||
| Total commercial real estate | 564 | — | 2,230 | (9) | 732 | 168 | |||||||||||||||||||||||||||||
| Commercial and industrial | 2,298 | 576 | 2,104 | 26 | 2,598 | 300 | |||||||||||||||||||||||||||||
| Agriculture | — | (2) | (112) | (109) | 4 | 4 | |||||||||||||||||||||||||||||
| First lien | 119 | 86 | (182) | (79) | 187 | 68 | |||||||||||||||||||||||||||||
| Junior lien | (22) | (19) | (38) | (137) | — | 22 | |||||||||||||||||||||||||||||
| Total 1-4 family | 97 | 67 | (220) | (216) | 187 | 90 | |||||||||||||||||||||||||||||
| Multifamily residential | 409 | — | — | — | 409 | — | |||||||||||||||||||||||||||||
| Home equity lines of credit | 78 | 82 | 43 | (20) | 116 | 38 | |||||||||||||||||||||||||||||
| Other consumer | 504 | 173 | 1,600 | 656 | 708 | 204 | |||||||||||||||||||||||||||||
| Total consumer | 582 | 255 | 1,643 | 636 | 824 | 242 | |||||||||||||||||||||||||||||
| Other | 4,983 | 2,166 | 7,448 | 3,406 | 6,808 | 1,825 | |||||||||||||||||||||||||||||
| Total | $ | 8,933 | 3,062 | 12,722 | 3,440 | 11,562 | 2,629 | ||||||||||||||||||||||||||||
| June 30, 2026 | December 31, 2025 | June 30, 2025 | |||||||||||||||||||||||||||||||||
| (Dollars in thousands) | Amount | Percent | Amount | Percent | Amount | Percent | |||||||||||||||||||||||||||||
| Non-interest bearing deposits | $ | 7,423,439 | 30 | % | $ | 7,314,779 | 30 | % | $ | 6,593,728 | 30 | % | |||||||||||||||||||||||
| NOW and DDA accounts | 6,192,363 | 25 | % | 6,236,551 | 25 | % | 5,747,388 | 27 | % | ||||||||||||||||||||||||||
| Savings accounts | 3,169,141 | 13 | % | 3,158,939 | 13 | % | 2,956,387 | 14 | % | ||||||||||||||||||||||||||
| Money market deposit accounts | 4,132,820 | 17 | % | 3,948,201 | 16 | % | 3,089,115 | 14 | % | ||||||||||||||||||||||||||
| Certificate accounts | 3,732,971 | 15 | % | 3,928,550 | 16 | % | 3,238,576 | 15 | % | ||||||||||||||||||||||||||
| Wholesale deposits | 3,383 | — | % | 4,076 | — | % | 3,308 | — | % | ||||||||||||||||||||||||||
| Total interest bearing deposits | 17,230,678 | 70 | % | 17,276,317 | 70 | % | 15,034,774 | 70 | % | ||||||||||||||||||||||||||
| Total deposits | $ | 24,654,117 | 100 | % | $ | 24,591,096 | 100 | % | $ | 21,628,502 | 100 | % | |||||||||||||||||||||||
| (Dollars in thousands) | June 30, 2026 | December 31, 2025 | |||||||||
| FHLB advances | |||||||||||
| Borrowing capacity | $ | 5,422,173 | 4,872,433 | ||||||||
| Amount utilized | — | (440,000) | |||||||||
| Letters of credit and other pledged collateral | (17,460) | (10,224) | |||||||||
| Amount available | $ | 5,404,713 | 4,422,209 | ||||||||
| FRB discount window | |||||||||||
| Borrowing capacity | $ | 2,285,572 | 2,048,309 | ||||||||
| Amount utilized | — | — | |||||||||
| Amount available | $ | 2,285,572 | 2,048,309 | ||||||||
| Unsecured lines of credit available | $ | 540,000 | 530,000 | ||||||||
| Unencumbered debt securities | |||||||||||
| U.S. government and federal agency | $ | 38,984 | 90,783 | ||||||||
| U.S. government sponsored enterprises | 52,681 | 13,758 | |||||||||
| State and local governments | 808,522 | 929,248 | |||||||||
| Corporate bonds | 11,465 | 33,949 | |||||||||
| Residential mortgage-backed securities | 67,755 | 160,623 | |||||||||
| Commercial mortgage-backed securities | 597,929 | 794,427 | |||||||||
Total unencumbered debt securities 1 | $ | 1,577,336 | 2,022,788 | ||||||||
| Total Capital (To Risk-Weighted Assets) | Tier 1 Capital (To Risk-Weighted Assets) | Common Equity Tier 1 (To Risk-Weighted Assets) | Leverage Ratio/ Tier 1 Capital (To Average Assets) | ||||||||||||||||||||
Glacier Bank regulatory ratios | 14.21 | % | 12.99 | % | 12.99 | % | 10.10 | % | |||||||||||||||
Minimum capital requirements | 8.00 | % | 6.00 | % | 4.50 | % | 4.00 | % | |||||||||||||||
Minimum capital requirements plus capital conservation buffer | 10.50 | % | 8.50 | % | 7.00 | % | N/A | ||||||||||||||||
Well capitalized requirements | 10.00 | % | 8.00 | % | 6.50 | % | 5.00 | % | |||||||||||||||
| Six Months ended | |||||||||||
| (Dollars in thousands) | June 30, 2026 | June 30, 2025 | |||||||||
| Income before income taxes | $ | 224,640 | 128,663 | ||||||||
| Federal and state income tax expense | 44,634 | 21,314 | |||||||||
| Net income | $ | 180,006 | 107,349 | ||||||||
Effective tax rate 1 | 19.9 | % | 16.6 | % | |||||||
| Income from tax-exempt debt securities, municipal loans and leases | $ | 41,729 | 41,975 | ||||||||
| Benefits from federal income tax credits | $ | 18,318 | 16,610 | ||||||||
| (Dollars in thousands) | New Markets Tax Credits | Low-Income Housing Tax Credits | Debt Securities Tax Credits | Historic Tax Credits | Total | ||||||||||||||||||||||||
| 2026 | $ | 5,527 | 31,640 | 43 | 564 | 37,774 | |||||||||||||||||||||||
| 2027 | 5,705 | 34,042 | 43 | 564 | 40,354 | ||||||||||||||||||||||||
| 2028 | 3,689 | 32,003 | 43 | — | 35,735 | ||||||||||||||||||||||||
| 2029 | 2,160 | 30,680 | 43 | — | 32,883 | ||||||||||||||||||||||||
| 2030 | 1,470 | 29,179 | 43 | — | 30,692 | ||||||||||||||||||||||||
| Thereafter | 804 | 102,657 | 62 | — | 103,523 | ||||||||||||||||||||||||
| $ | 19,355 | 260,201 | 277 | 1,128 | 280,961 | ||||||||||||||||||||||||
| Three Months ended | Six Months ended | ||||||||||||||||||||||||||||||||||
| June 30, 2026 | June 30, 2026 | ||||||||||||||||||||||||||||||||||
| (Dollars in thousands) | Average Balance | Interest and Dividends | Average Yield/ Rate | Average Balance | Interest and Dividends | Average Yield/ Rate | |||||||||||||||||||||||||||||
| Assets | |||||||||||||||||||||||||||||||||||
| Residential real estate loans | $ | 2,172,055 | $ | 30,104 | 5.54 | % | $ | 2,265,738 | $ | 63,812 | 5.63 | % | |||||||||||||||||||||||
Commercial loans 1 | 17,562,322 | 267,705 | 6.11 | % | 17,385,333 | 527,992 | 6.12 | % | |||||||||||||||||||||||||||
| Consumer and other loans | 1,479,518 | 26,103 | 7.08 | % | 1,452,740 | 50,990 | 7.08 | % | |||||||||||||||||||||||||||
Total loans 2 | 21,213,895 | 323,912 | 6.12 | % | 21,103,811 | 642,794 | 6.14 | % | |||||||||||||||||||||||||||
Tax-exempt investment securities 3 | 1,624,487 | 14,246 | 3.51 | % | 1,635,986 | 28,698 | 3.51 | % | |||||||||||||||||||||||||||
Taxable investment securities 4, 5 | 5,954,961 | 30,650 | 2.06 | % | 6,195,419 | 63,359 | 2.05 | % | |||||||||||||||||||||||||||
| Total earning assets | 28,793,343 | 368,808 | 5.14 | % | 28,935,216 | 734,851 | 5.12 | % | |||||||||||||||||||||||||||
| Goodwill and intangibles | 1,476,292 | 1,478,726 | |||||||||||||||||||||||||||||||||
| Non-earning assets | 1,201,401 | 1,202,289 | |||||||||||||||||||||||||||||||||
| Total assets | $ | 31,471,036 | $ | 31,616,231 | |||||||||||||||||||||||||||||||
| Liabilities | |||||||||||||||||||||||||||||||||||
| Non-interest bearing deposits | $ | 7,298,710 | $ | — | — | % | $ | 7,264,754 | $ | — | — | % | |||||||||||||||||||||||
| NOW and DDA accounts | 6,206,979 | 16,103 | 1.04 | % | 6,187,446 | 32,000 | 1.04 | % | |||||||||||||||||||||||||||
| Savings accounts | 3,170,155 | 5,451 | 0.69 | % | 3,167,020 | 10,951 | 0.70 | % | |||||||||||||||||||||||||||
| Money market deposit accounts | 4,052,361 | 20,154 | 1.99 | % | 4,008,235 | 39,232 | 1.97 | % | |||||||||||||||||||||||||||
| Certificate accounts | 3,807,368 | 30,233 | 3.18 | % | 3,851,888 | 61,975 | 3.24 | % | |||||||||||||||||||||||||||
| Total core deposits | 24,535,573 | 71,941 | 1.18 | % | 24,479,343 | 144,158 | 1.19 | % | |||||||||||||||||||||||||||
| Short-term borrowings | |||||||||||||||||||||||||||||||||||
Wholesale deposits 6 | 3,337 | 31 | 3.77 | % | 3,475 | 65 | 3.79 | % | |||||||||||||||||||||||||||
| Repurchase agreements | 1,995,035 | 13,227 | 2.66 | % | 2,034,340 | 26,846 | 2.66 | % | |||||||||||||||||||||||||||
| FHLB advances | 55 | — | 3.87 | % | 179,917 | 4,226 | 4.67 | % | |||||||||||||||||||||||||||
| Total short-term borrowings | 1,998,427 | 13,258 | 2.62 | % | 2,217,732 | 31,137 | 2.79 | % | |||||||||||||||||||||||||||
| Long-term borrowings | |||||||||||||||||||||||||||||||||||
Subordinated debentures and other borrowed funds | 271,589 | 3,593 | 5.31 | % | 269,531 | 7,157 | 5.35 | % | |||||||||||||||||||||||||||
Total interest bearing liabilities | 26,805,589 | 88,792 | 1.33 | % | 26,966,606 | 182,452 | 1.36 | % | |||||||||||||||||||||||||||
| Other liabilities | 364,792 | 368,648 | |||||||||||||||||||||||||||||||||
| Total liabilities | 27,170,381 | 27,335,254 | |||||||||||||||||||||||||||||||||
| Stockholders’ Equity | |||||||||||||||||||||||||||||||||||
| Stockholders’ equity | 4,300,655 | 4,280,977 | |||||||||||||||||||||||||||||||||
Total liabilities and stockholders’ equity | $ | 31,471,036 | $ | 31,616,231 | |||||||||||||||||||||||||||||||
| Net interest income (tax-equivalent) | $ | 280,016 | $ | 552,399 | |||||||||||||||||||||||||||||||
| Net interest spread (tax-equivalent) | 3.81 | % | 3.76 | % | |||||||||||||||||||||||||||||||
| Net interest margin (tax-equivalent) | 3.90 | % | 3.85 | % | |||||||||||||||||||||||||||||||
| Six Months ended June 30, 2026 | |||||||||||||||||
| 2026 vs. 2025 | |||||||||||||||||
| Increase (Decrease) Due to: | |||||||||||||||||
| (Dollars in thousands) | Volume | Rate | Net | ||||||||||||||
| Interest income | |||||||||||||||||
| Residential real estate loans | $ | 9,147 | 5,029 | 14,176 | |||||||||||||
| Commercial loans (tax-equivalent) | 82,977 | 29,711 | 112,688 | ||||||||||||||
| Consumer and other loans | 4,688 | (104) | 4,584 | ||||||||||||||
| Investment securities (tax-equivalent) | (6,282) | 4,760 | (1,522) | ||||||||||||||
| Total interest income | 90,530 | 39,396 | 129,926 | ||||||||||||||
| Interest expense | |||||||||||||||||
| NOW and DDA accounts | 3,258 | (2,368) | 890 | ||||||||||||||
| Savings accounts | 1,040 | (651) | 389 | ||||||||||||||
| Money market deposit accounts | 10,703 | (386) | 10,317 | ||||||||||||||
| Certificate accounts | 12,157 | (7,924) | 4,233 | ||||||||||||||
| Wholesale deposits | (26) | (14) | (40) | ||||||||||||||
| Repurchase agreements | 2,431 | (3,427) | (996) | ||||||||||||||
| FHLB advances | (34,243) | (56) | (34,299) | ||||||||||||||
Subordinated debentures and other borrowed funds | 1,146 | 367 | 1,513 | ||||||||||||||
| Total interest expense | (3,534) | (14,459) | (17,993) | ||||||||||||||
| Net interest income (tax-equivalent) | $ | 94,064 | 53,855 | 147,919 | |||||||||||||
| Estimated Sensitivity | ||||||||||||||
| Rate Scenarios | One Year | Two Years | ||||||||||||
| -400 bp Rate ramp | 0.19 | % | (2.38 | %) | ||||||||||
| -200 bp Rate ramp | (0.14 | %) | (3.58 | %) | ||||||||||
| -200 bp Rate shock | (1.07 | %) | (6.13 | %) | ||||||||||
| -100 bp Rate shock | (1.32 | %) | (3.73 | %) | ||||||||||
| +100 bp Rate shock | 1.88 | % | 4.02 | % | ||||||||||
| +200 bp Rate shock | 1.93 | % | 6.06 | % | ||||||||||
| +200 bp Rate ramp | 0.72 | % | 3.59 | % | ||||||||||
| +400 bp Rate ramp | 0.62 | % | 3.05 | % | ||||||||||
| GLACIER BANCORP, INC. | ||||||||
| August 4, 2026 | /s/ Randall M. Chesler | |||||||
| Randall M. Chesler | ||||||||
| President and CEO | ||||||||
| August 4, 2026 | /s/ Ron J. Copher | |||||||
| Ron J. Copher | ||||||||
| Executive Vice President and CFO | ||||||||
| August 4, 2026 | /s/ Randall M. Chesler | |||||||
| Randall M. Chesler | ||||||||
| President/CEO | ||||||||
| August 4, 2026 | /s/ Ron J. Copher | |||||||
| Ron J. Copher | ||||||||
| Executive Vice President/CFO | ||||||||
| August 4, 2026 | /s/ Randall M. Chesler | |||||||
| Randall M. Chesler | ||||||||
| President/CEO | ||||||||
| August 4, 2026 | /s/ Ron J. Copher | |||||||
| Ron J. Copher | ||||||||
| Executive Vice President/CFO | ||||||||