| 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) | March 31, 2026 | December 31, 2025 | |||||||||
| Assets | |||||||||||
| Cash on hand and in banks | $ | 350,801 | 321,526 | ||||||||
| Interest bearing cash deposits | 1,034,436 | 913,735 | |||||||||
| Cash and cash equivalents | 1,385,237 | 1,235,261 | |||||||||
| Debt securities, available-for-sale | 3,585,531 | 4,007,512 | |||||||||
| Debt securities, held-to-maturity | 3,058,662 | 3,110,216 | |||||||||
| Total debt securities | 6,644,193 | 7,117,728 | |||||||||
| Loans held for sale, at fair value | 41,652 | 39,186 | |||||||||
| Loans receivable | 21,033,663 | 20,927,796 | |||||||||
| Allowance for credit losses | (255,771) | (255,319) | |||||||||
| Loans receivable, net | 20,777,892 | 20,672,477 | |||||||||
| Premises and equipment, net | 492,031 | 486,184 | |||||||||
| Right-of-use assets, net | 76,344 | 75,574 | |||||||||
Other real estate owned and foreclosed assets | 1,610 | 411 | |||||||||
| Accrued interest receivable | 122,795 | 120,092 | |||||||||
| Deferred tax asset, net | 103,863 | 101,337 | |||||||||
| Intangibles, net | 100,470 | 105,269 | |||||||||
| Goodwill | 1,378,283 | 1,378,283 | |||||||||
| Federal Home Loan Bank stock, at cost | 21,524 | 42,764 | |||||||||
| Bank-owned life insurance | 236,540 | 235,090 | |||||||||
| Other assets | 351,648 | 368,407 | |||||||||
| Total assets | $ | 31,734,082 | 31,978,063 | ||||||||
| Liabilities | |||||||||||
| Non-interest bearing deposits | $ | 7,427,280 | 7,314,779 | ||||||||
| Interest bearing deposits | 17,314,591 | 17,276,317 | |||||||||
| Securities sold under agreements to repurchase | 2,085,623 | 2,084,113 | |||||||||
| Federal Home Loan Bank advances | — | 440,000 | |||||||||
| Other borrowed funds | 51,564 | 51,473 | |||||||||
| Finance lease liabilities | 31,209 | 28,808 | |||||||||
| Subordinated debentures | 188,032 | 187,492 | |||||||||
| Accrued interest payable | 30,512 | 32,786 | |||||||||
| Operating lease liabilities | 51,457 | 52,869 | |||||||||
| Other liabilities | 305,315 | 295,605 | |||||||||
| Total liabilities | 27,485,583 | 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 March 31, 2026 and December 31, 2025, respectively | 1,301 | 1,300 | |||||||||
| Paid-in capital | 3,224,619 | 3,220,064 | |||||||||
| Retained earnings | 1,198,628 | 1,159,567 | |||||||||
| Accumulated other comprehensive loss | (176,049) | (167,110) | |||||||||
| Total stockholders’ equity | 4,248,499 | 4,213,821 | |||||||||
| Total liabilities and stockholders’ equity | $ | 31,734,082 | 31,978,063 | ||||||||
| Number of common stock shares issued and outstanding | 130,124,378 | 129,971,712 | |||||||||
| Three Months ended | |||||||||||
| (Dollars in thousands, except share and per share data) | March 31, 2026 | March 31, 2025 | |||||||||
| Interest Income | |||||||||||
| Investment securities | $ | 45,126 | 45,646 | ||||||||
| Residential real estate loans | 33,708 | 24,275 | |||||||||
| Commercial loans | 258,616 | 197,388 | |||||||||
| Consumer and other loans | 24,887 | 22,616 | |||||||||
| Total interest income | 362,337 | 289,925 | |||||||||
| Interest Expense | |||||||||||
| Deposits | 72,251 | 62,865 | |||||||||
| Securities sold under agreements to repurchase | 13,619 | 13,733 | |||||||||
| Federal Home Loan Bank advances | 4,226 | 20,719 | |||||||||
Other borrowed funds | 443 | 402 | |||||||||
| Subordinated debentures | 3,121 | 2,227 | |||||||||
| Total interest expense | 93,660 | 99,946 | |||||||||
| Net Interest Income | 268,677 | 189,979 | |||||||||
| Provision for credit losses | 6,064 | 7,814 | |||||||||
| Net interest income after provision for credit losses | 262,613 | 182,165 | |||||||||
| Non-Interest Income | |||||||||||
| Deposit service charges and other fees | 15,265 | 13,215 | |||||||||
| Payment services | 11,368 | 9,328 | |||||||||
| Miscellaneous loan fees and charges | 2,279 | 1,691 | |||||||||
| Gain on sale of loans | 5,108 | 4,311 | |||||||||
| Gain (loss) on sale of securities | — | — | |||||||||
| Other income | 4,062 | 4,097 | |||||||||
| Total non-interest income | 38,082 | 32,642 | |||||||||
| Non-Interest Expense | |||||||||||
| Compensation and employee benefits | 115,770 | 91,443 | |||||||||
| Occupancy and equipment | 15,682 | 12,294 | |||||||||
| Advertising and promotions | 5,256 | 4,144 | |||||||||
| Data processing | 13,273 | 9,138 | |||||||||
| Other real estate owned and foreclosed assets | 206 | 63 | |||||||||
| Regulatory assessments and insurance | 6,403 | 5,534 | |||||||||
| Intangibles amortization | 4,799 | 3,270 | |||||||||
| Other expenses | 39,140 | 25,432 | |||||||||
| Total non-interest expense | 200,529 | 151,318 | |||||||||
| Income Before Income Taxes | 100,166 | 63,489 | |||||||||
| Federal and state income tax expense | 18,022 | 8,921 | |||||||||
| Net Income | $ | 82,144 | 54,568 | ||||||||
| Basic earnings per share | $ | 0.63 | 0.48 | ||||||||
| Diluted earnings per share | $ | 0.63 | 0.48 | ||||||||
| Dividends declared per share | $ | 0.33 | 0.33 | ||||||||
| Average outstanding shares - basic | 130,052,858 | 113,451,199 | |||||||||
| Average outstanding shares - diluted | 130,242,765 | 113,546,365 | |||||||||
| Three Months ended | |||||||||||
| (Dollars in thousands) | March 31, 2026 | March 31, 2025 | |||||||||
| Net Income | $ | 82,144 | 54,568 | ||||||||
| Other Comprehensive Income, Net of Tax | |||||||||||
| Available-For-Sale and Transferred Securities: | |||||||||||
Unrealized (losses) gains on available-for-sale securities | (13,313) | 60,765 | |||||||||
Reclassification adjustment for securities transferred from available-for-sale to held-to-maturity | 1,199 | 1,469 | |||||||||
| Tax effect | 3,003 | (15,509) | |||||||||
| Net of tax amount | (9,111) | 46,725 | |||||||||
| Fair Value Hedge: | |||||||||||
| Unrealized gain on derivatives used for fair value hedges | 229 | — | |||||||||
| Tax effect | (57) | — | |||||||||
| Net of tax amount | 172 | — | |||||||||
| 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 | (8,939) | 46,185 | |||||||||
| Total Comprehensive Income | $ | 73,205 | 100,753 | ||||||||
| (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 | — | — | — | 54,568 | — | 54,568 | |||||||||||||||||||||||||||||
| Other comprehensive income | — | — | — | — | 46,185 | 46,185 | |||||||||||||||||||||||||||||
Cash dividends declared ($0.33 per share) | — | — | — | (37,553) | — | (37,553) | |||||||||||||||||||||||||||||
Stock issuances under stock incentive plans | 115,989 | 1 | (1) | — | — | — | |||||||||||||||||||||||||||||
Stock-based compensation and related taxes | — | — | 554 | — | — | 554 | |||||||||||||||||||||||||||||
| Balance at March 31, 2025 | 113,517,944 | $ | 1,135 | 2,449,311 | 1,100,273 | (263,111) | 3,287,608 | ||||||||||||||||||||||||||||
Balance at January 1, 2026 | 129,971,712 | $ | 1,300 | 3,220,064 | 1,159,567 | (167,110) | 4,213,821 | ||||||||||||||||||||||||||||
| Net income | — | — | — | 82,144 | — | 82,144 | |||||||||||||||||||||||||||||
| Other comprehensive income (loss) | — | — | — | — | (8,939) | (8,939) | |||||||||||||||||||||||||||||
Cash dividends declared ($0.33 per share) | — | — | — | (43,083) | — | (43,083) | |||||||||||||||||||||||||||||
Stock issuances under stock incentive plans | 152,666 | 1 | (1) | — | — | — | |||||||||||||||||||||||||||||
Stock-based compensation and related taxes | — | — | 4,556 | — | — | 4,556 | |||||||||||||||||||||||||||||
| Balance at March 31, 2026 | 130,124,378 | $ | 1,301 | 3,224,619 | 1,198,628 | (176,049) | 4,248,499 | ||||||||||||||||||||||||||||
| Three Months ended | |||||||||||
| (Dollars in thousands) | March 31, 2026 | March 31, 2025 | |||||||||
| Operating Activities | |||||||||||
| Net income | $ | 82,144 | 54,568 | ||||||||
| Adjustments to reconcile net income to net cash provided by operating activities: | |||||||||||
| Provision for credit losses | 6,064 | 7,814 | |||||||||
| Net amortization of debt securities | 2,027 | 2,939 | |||||||||
| Net amortization of purchase accounting adjustments and deferred loan fees and costs | (5,660) | (3,250) | |||||||||
| Origination of loans held for sale | (194,651) | (160,307) | |||||||||
| Proceeds from loans held for sale | 197,292 | 157,156 | |||||||||
| Gain on sale of loans | (5,108) | (4,311) | |||||||||
| Bank-owned life insurance income, net | (2,260) | (1,182) | |||||||||
| Stock-based compensation, net of tax benefits | 4,452 | 2,541 | |||||||||
| Depreciation and amortization | 9,082 | 7,494 | |||||||||
| Loss (gain) on dispositions of premises and equipment | 445 | (1,010) | |||||||||
| (Gain) loss on sale and write-downs of other real estate owned, net | (17) | 18 | |||||||||
| Amortization of core deposit and other intangibles | 4,799 | 3,270 | |||||||||
| Amortization of investments in variable interest entities | 9,674 | 8,662 | |||||||||
| Net increase in accrued interest receivable | (2,703) | (4,729) | |||||||||
| Net decrease (increase) in other assets | 2,361 | (1,784) | |||||||||
| Net decrease in accrued interest payable | (2,274) | (3,394) | |||||||||
| Net decrease in operating lease liabilities | (1,934) | (921) | |||||||||
| Net decrease in other liabilities | (15,853) | (11,128) | |||||||||
| Net cash provided by operating activities | 87,880 | 52,446 | |||||||||
| Investing Activities | |||||||||||
| Maturities, prepayments and calls of available-for-sale debt securities | 1,405,802 | 148,759 | |||||||||
| Purchases of available-for-sale debt securities | (999,904) | (13,791) | |||||||||
| Maturities, prepayments and calls of held-to-maturity debt securities | 51,648 | 46,904 | |||||||||
| Purchases of held-to-maturity debt securities | — | (13,723) | |||||||||
| Net (increase) decrease in loans | (103,981) | 44,684 | |||||||||
| Proceeds from sale of premises and equipment | 1,457 | 2,051 | |||||||||
| Net additions to premises and equipment | (13,530) | (5,663) | |||||||||
| Proceeds from sale of other real estate owned | 192 | 22 | |||||||||
| Proceeds from redemption of equity securities | 21,606 | 12,931 | |||||||||
| Purchases of equity securities | (365) | (1,214) | |||||||||
| Proceeds from bank-owned life insurance | 987 | — | |||||||||
| Investments in variable interest entities | (11,826) | (15,453) | |||||||||
| Net cash provided by investing activities | 352,086 | 205,507 | |||||||||
| Three Months ended | |||||||||||
| (Dollars in thousands) | March 31, 2026 | March 31, 2025 | |||||||||
| Financing Activities | |||||||||||
| Net increase in deposits | $ | 150,654 | 87,169 | ||||||||
| Net increase in securities sold under agreements to repurchase | 1,510 | 71,596 | |||||||||
| Repayments of long-term Federal Home Loan Bank advances | (440,000) | (280,000) | |||||||||
| Net increase in other borrowed funds | 90 | 154 | |||||||||
| Principal payments on finance lease liabilities | (1,150) | (976) | |||||||||
| Cash dividends paid | (337) | (363) | |||||||||
| Tax withholding payments for stock-based compensation | (2,195) | (2,456) | |||||||||
| Proceeds from stock option exercises | 1,438 | — | |||||||||
| Net cash used in financing activities | (289,990) | (124,876) | |||||||||
| Net increase in cash and cash equivalents | 149,976 | 133,077 | |||||||||
| Cash, cash equivalents at beginning of period | 1,235,261 | 848,408 | |||||||||
| Cash, cash equivalents at end of period | $ | 1,385,237 | 981,485 | ||||||||
| Supplemental Disclosure of Cash Flow Information | |||||||||||
| Cash paid during the period for interest | $ | 95,934 | 103,340 | ||||||||
| Cash (received) paid during the period for income taxes | (805) | 2,427 | |||||||||
| 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 | 1,374 | 30 | |||||||||
| Right-of-use assets obtained in exchange for new lease liabilities | 4,169 | 176 | |||||||||
| Equity investments obtained in exchange for delayed equity contributions | — | 5,268 | |||||||||
| Dividends declared during the period but not paid | 43,082 | 37,553 | |||||||||
| Three Months ended | |||||||||||
| (Dollars in thousands) | March 31, 2026 | March 31, 2025 | |||||||||
| Provision for credit loss - loans | $ | 3,514 | 6,154 | ||||||||
| Provision for credit loss - unfunded | 2,550 | 1,660 | |||||||||
| Total provision for credit losses | $ | 6,064 | 7,814 | ||||||||
| March 31, 2026 | |||||||||||||||||||||||
| (Dollars in thousands) | Amortized Cost | Gross Unrealized Gains | Gross Unrealized Losses | Fair Value | |||||||||||||||||||
| Available-for-sale | |||||||||||||||||||||||
| U.S. government and federal agency | $ | 242,269 | 22 | (1,398) | 240,893 | ||||||||||||||||||
| U.S. government sponsored enterprises | 125,596 | 43 | (2,405) | 123,234 | |||||||||||||||||||
| State and local governments | 154,719 | 369 | (2,805) | 152,283 | |||||||||||||||||||
| Corporate bonds | 13,323 | 262 | (24) | 13,561 | |||||||||||||||||||
| Residential mortgage-backed securities | 2,271,505 | 111 | (190,022) | 2,081,594 | |||||||||||||||||||
| Commercial mortgage-backed securities | 1,017,295 | 197 | (43,526) | 973,966 | |||||||||||||||||||
| Total available-for-sale | $ | 3,824,707 | 1,004 | (240,180) | 3,585,531 | ||||||||||||||||||
| Held-to-maturity | |||||||||||||||||||||||
| U.S. government and federal agency | 867,249 | — | (25,174) | 842,075 | |||||||||||||||||||
| State and local governments | 1,575,040 | 836 | (189,597) | 1,386,279 | |||||||||||||||||||
| Residential mortgage-backed securities | 616,373 | 62 | (33,848) | 582,587 | |||||||||||||||||||
| Total held-to-maturity | 3,058,662 | 898 | (248,619) | 2,810,941 | |||||||||||||||||||
| Total debt securities | $ | 6,883,369 | 1,902 | (488,799) | 6,396,472 | ||||||||||||||||||
| 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 | ||||||||||||||||||
| March 31, 2026 | |||||||||||||||||||||||
| Available-for-Sale | Held-to-Maturity | ||||||||||||||||||||||
| (Dollars in thousands) | Amortized Cost | Fair Value | Amortized Cost | Fair Value | |||||||||||||||||||
| Due within one year | $ | 311,130 | 308,079 | 386,161 | 380,380 | ||||||||||||||||||
| Due after one year through five years | 101,232 | 100,720 | 602,305 | 580,801 | |||||||||||||||||||
| Due after five years through ten years | 69,788 | 68,609 | 264,743 | 252,138 | |||||||||||||||||||
| Due after ten years | 53,757 | 52,563 | 1,189,080 | 1,015,035 | |||||||||||||||||||
| 535,907 | 529,971 | 2,442,289 | 2,228,354 | ||||||||||||||||||||
Mortgage-backed securities 1 | 3,288,800 | 3,055,560 | 616,373 | 582,587 | |||||||||||||||||||
| Total | $ | 3,824,707 | 3,585,531 | 3,058,662 | 2,810,941 | ||||||||||||||||||
| Three Months ended | |||||||||||
| (Dollars in thousands) | March 31, 2026 | March 31, 2025 | |||||||||
| Available-for-sale | |||||||||||
| Proceeds from sales and calls of debt securities | $ | 17,755 | 435 | ||||||||
Gross realized gains 1 | — | — | |||||||||
Gross realized losses 1 | — | — | |||||||||
| Held-to-maturity | |||||||||||
| Proceeds from calls of debt securities | 9,530 | 4,130 | |||||||||
Gross realized gains 1 | — | — | |||||||||
Gross realized losses 1 | — | — | |||||||||
| March 31, 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 | 38 | $ | 58,564 | (414) | 179,719 | (984) | 238,283 | (1,398) | |||||||||||||||||||||||||||||||||
U.S. government sponsored enterprises | 5 | — | — | 113,750 | (2,405) | 113,750 | (2,405) | ||||||||||||||||||||||||||||||||||
| State and local governments | 117 | 64,057 | (569) | 45,302 | (2,236) | 109,359 | (2,805) | ||||||||||||||||||||||||||||||||||
| Corporate bonds | 2 | 1,485 | (5) | 3,982 | (19) | 5,467 | (24) | ||||||||||||||||||||||||||||||||||
Residential mortgage-backed securities | 434 | 197,897 | (2,092) | 1,859,962 | (187,930) | 2,057,859 | (190,022) | ||||||||||||||||||||||||||||||||||
Commercial mortgage-backed securities | 150 | 151,548 | (10,948) | 782,702 | (32,578) | 934,250 | (43,526) | ||||||||||||||||||||||||||||||||||
Total available-for-sale | 746 | $ | 473,551 | (14,028) | 2,985,417 | (226,152) | 3,458,968 | (240,180) | |||||||||||||||||||||||||||||||||
| 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) | March 31, 2026 | December 31, 2025 | |||||||||
S&P: AAA / Moody’s: Aaa | $ | 389,781 | 397,328 | ||||||||
S&P: AA+, AA, AA- / Moody’s: Aa1, Aa2, Aa3 | 1,150,426 | 1,155,450 | |||||||||
S&P: A+, A, A- / Moody’s: A1, A2, A3 | 29,033 | 29,093 | |||||||||
Not rated by either entity | 5,800 | 5,802 | |||||||||
Total | $ | 1,575,040 | 1,587,673 | ||||||||
| (Dollars in thousands) | March 31, 2026 | December 31, 2025 | |||||||||
| Residential real estate | $ | 2,167,860 | 2,457,907 | ||||||||
| Commercial real estate | 13,918,178 | 13,565,512 | |||||||||
| Other commercial | 3,466,863 | 3,497,829 | |||||||||
| Home equity | 1,048,971 | 977,206 | |||||||||
| Other consumer | 431,791 | 429,342 | |||||||||
Loans receivable 1 | 21,033,663 | 20,927,796 | |||||||||
| Allowance for credit losses | (255,771) | (255,319) | |||||||||
| Loans receivable, net | $ | 20,777,892 | 20,672,477 | ||||||||
| Net deferred origination fees included in loans receivable | $ | (32,180) | (32,715) | ||||||||
| Net purchase accounting discounts included in loans receivable | $ | (71,228) | (76,963) | ||||||||
| Accrued interest receivable on loans | $ | 95,458 | 94,251 | ||||||||
| Three Months ended March 31, 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 | 3,514 | (5,940) | 5,024 | 2,165 | 413 | 1,852 | |||||||||||||||||||||||||||||
| Charge-offs | (4,186) | (5) | (116) | (1,428) | (301) | (2,336) | |||||||||||||||||||||||||||||
| Recoveries | 1,124 | 19 | 22 | 334 | 6 | 743 | |||||||||||||||||||||||||||||
| Balance at end of period | $ | 255,771 | 25,949 | 171,733 | 39,025 | 11,763 | 7,301 | ||||||||||||||||||||||||||||
| Three Months ended March 31, 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 | ||||||||||||||||||||||||||||
| Provision for credit losses | 6,154 | 1,352 | 1,468 | 1,722 | (77) | 1,689 | |||||||||||||||||||||||||||||
| Charge-offs | (3,897) | — | — | (1,536) | — | (2,361) | |||||||||||||||||||||||||||||
| Recoveries | 2,102 | 62 | 356 | 1,056 | 23 | 605 | |||||||||||||||||||||||||||||
| Balance at end of period | $ | 210,400 | 26,595 | 140,369 | 25,642 | 11,348 | 6,446 | ||||||||||||||||||||||||||||
| | ||
| | ||
| March 31, 2026 | |||||||||||||||||||||||||||||||||||
| (Dollars in thousands) | Total | Residential Real Estate | Commercial Real Estate | Other Commercial | Home Equity | Other Consumer | |||||||||||||||||||||||||||||
| Accruing loans 30-59 days past due | $ | 79,576 | 14,462 | 37,621 | 16,140 | 6,261 | 5,092 | ||||||||||||||||||||||||||||
| Accruing loans 60-89 days past due | 12,184 | 220 | 8,939 | 1,380 | 842 | 803 | |||||||||||||||||||||||||||||
Accruing loans 90 days or more past due | 13,470 | 3,664 | 3,032 | 6,283 | 171 | 320 | |||||||||||||||||||||||||||||
| Non-accrual loans with no ACL | 60,595 | 9,373 | 25,160 | 21,856 | 3,786 | 420 | |||||||||||||||||||||||||||||
| Non-accrual loans with ACL | 3,820 | 74 | 1,298 | 2,119 | — | 329 | |||||||||||||||||||||||||||||
Total past due and non-accrual loans | 169,645 | 27,793 | 76,050 | 47,778 | 11,060 | 6,964 | |||||||||||||||||||||||||||||
| Current loans receivable | 20,864,018 | 2,140,067 | 13,842,128 | 3,419,085 | 1,037,911 | 424,827 | |||||||||||||||||||||||||||||
| Total loans receivable | $ | 21,033,663 | 2,167,860 | 13,918,178 | 3,466,863 | 1,048,971 | 431,791 | ||||||||||||||||||||||||||||
| 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 | ||||||||||||||||||||||||||||
| March 31, 2026 | |||||||||||||||||||||||||||||||||||
| (Dollars in thousands) | Total | Residential Real Estate | Commercial Real Estate | Other Commercial | Home Equity | Other Consumer | |||||||||||||||||||||||||||||
| Business assets | $ | 21,152 | — | — | 21,107 | — | 45 | ||||||||||||||||||||||||||||
| Residential real estate | 16,061 | 9,447 | 1,487 | 1,351 | 3,776 | — | |||||||||||||||||||||||||||||
| Other real estate | 33,000 | — | 32,137 | 469 | 9 | 385 | |||||||||||||||||||||||||||||
| Other | 1,083 | — | — | 512 | — | 571 | |||||||||||||||||||||||||||||
| Total | $ | 71,296 | 9,447 | 33,624 | 23,439 | 3,785 | 1,001 | ||||||||||||||||||||||||||||
| 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 March 31, 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 | $ | 263 | — | % | $ | 446 | — | % | $ | 709 | |||||||||||||||||||
| Commercial real estate | 1,337 | — | % | — | — | % | 1,337 | ||||||||||||||||||||||
| Other commercial | 239 | — | % | — | — | % | 239 | ||||||||||||||||||||||
| Total | $ | 1,839 | $ | 446 | $ | 2,285 | |||||||||||||||||||||||
At or for the Three Months ended March 31, 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 | $ | 6,224 | 0.1 | % | $ | — | — | % | $ | 6,224 | |||||||||||||||||||
| Other commercial | — | — | % | 53 | — | % | 53 | ||||||||||||||||||||||
| Total | $ | 6,224 | $ | 53 | $ | 6,277 | |||||||||||||||||||||||
| | ||
| | ||
At or for the Three Months ended March 31, 2026 | |||||||||||
| Weighted Average Interest Rate Reduction | Weighted Average Term Extension | ||||||||||
| Residential real estate | 0.15% | 2 months | |||||||||
| Commercial real estate | —% | 1 month | |||||||||
| Other commercial | —% | 3 years, 9 months | |||||||||
At or for the Three Months ended March 31, 2025 | |||||||||||
| Weighted Average Interest Rate Reduction | Weighted Average Term Extension | ||||||||||
| Commercial real estate | —% | 11 months | |||||||||
| Other commercial | 1.38% | 6 years, 5 months | |||||||||
| | ||
| | ||
| March 31, 2026 | |||||||||||||||||||||||||||||
| (Dollars in thousands) | Total | Current | 30-89 Days Past Due | 90 Days or More Past Due | Non-Accrual | ||||||||||||||||||||||||
| Residential real estate | $ | 1,719 | — | — | — | 1,719 | |||||||||||||||||||||||
| Commercial real estate | 2,074 | 1,986 | — | — | 88 | ||||||||||||||||||||||||
| Other commercial | 10,341 | 10,124 | — | — | 217 | ||||||||||||||||||||||||
| Total | $ | 14,134 | 12,110 | — | — | 2,024 | |||||||||||||||||||||||
| March 31, 2025 | |||||||||||||||||||||||||||||
| (Dollars in thousands) | Total | Current | 30-89 Days Past Due | 90 Days or More Past Due | Non-Accrual | ||||||||||||||||||||||||
| Commercial real estate | $ | 18,494 | 15,587 | — | — | 2,907 | |||||||||||||||||||||||
| Other commercial | 3,312 | 2,563 | 430 | — | 319 | ||||||||||||||||||||||||
| Total | $ | 21,806 | 18,150 | 430 | — | 3,226 | |||||||||||||||||||||||
| March 31, 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) | $ | — | 518,683 | 514,858 | 684 | 3,141 | — | ||||||||||||||||||||||||||||
| 2025 | — | 2,350,862 | 2,343,749 | 4,852 | 2,261 | — | |||||||||||||||||||||||||||||
| 2024 | — | 1,607,592 | 1,596,763 | 9,622 | 1,207 | — | |||||||||||||||||||||||||||||
| 2023 | — | 1,291,211 | 1,262,365 | 7,816 | 21,030 | — | |||||||||||||||||||||||||||||
| 2022 | 55 | 2,470,109 | 2,407,335 | 47,872 | 14,902 | — | |||||||||||||||||||||||||||||
| Prior | 61 | 5,268,686 | 5,069,851 | 56,520 | 142,315 | — | |||||||||||||||||||||||||||||
| Revolving loans | — | 411,035 | 405,634 | 2,364 | 3,037 | — | |||||||||||||||||||||||||||||
| Total | $ | 116 | 13,918,178 | 13,600,555 | 129,730 | 187,893 | — | ||||||||||||||||||||||||||||
| Other commercial loans | |||||||||||||||||||||||||||||||||||
Term loans by origination year | |||||||||||||||||||||||||||||||||||
| 2026 (year-to-date) | $ | 1,210 | 191,413 | 189,211 | 898 | 947 | 357 | ||||||||||||||||||||||||||||
| 2025 | — | 407,617 | 399,706 | 6,493 | 1,418 | — | |||||||||||||||||||||||||||||
| 2024 | 111 | 279,859 | 271,844 | 5,423 | 2,592 | — | |||||||||||||||||||||||||||||
| 2023 | 9 | 207,694 | 197,012 | 3,603 | 6,702 | 377 | |||||||||||||||||||||||||||||
| 2022 | 12 | 457,575 | 446,022 | 3,131 | 8,421 | 1 | |||||||||||||||||||||||||||||
| Prior | 86 | 968,132 | 941,280 | 9,393 | 17,428 | 31 | |||||||||||||||||||||||||||||
| Revolving loans | — | 954,573 | 908,549 | 24,816 | 21,198 | 10 | |||||||||||||||||||||||||||||
| Total | $ | 1,428 | 3,466,863 | 3,353,624 | 53,757 | 58,706 | 776 | ||||||||||||||||||||||||||||
| 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 | |||||||||||||||||||||||||||
| March 31, 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) | $ | — | 35,801 | 35,801 | — | — | |||||||||||||||||||||||
| 2025 | — | 285,457 | 285,080 | 377 | — | ||||||||||||||||||||||||
| 2024 | — | 199,607 | 196,667 | 768 | 2,172 | ||||||||||||||||||||||||
| 2023 | — | 252,602 | 247,995 | 1,647 | 2,960 | ||||||||||||||||||||||||
| 2022 | — | 655,668 | 647,851 | 4,926 | 2,891 | ||||||||||||||||||||||||
| Prior | 5 | 738,677 | 726,625 | 6,964 | 5,088 | ||||||||||||||||||||||||
| Revolving loans | — | 48 | 48 | — | — | ||||||||||||||||||||||||
| Total | $ | 5 | 2,167,860 | 2,140,067 | 14,682 | 13,111 | |||||||||||||||||||||||
| Home equity loans | |||||||||||||||||||||||||||||
Term loans by origination year | |||||||||||||||||||||||||||||
| 2026 (year-to-date) | $ | — | 591 | 591 | — | — | |||||||||||||||||||||||
| 2025 | — | 13,674 | 13,493 | 181 | — | ||||||||||||||||||||||||
| 2024 | 76 | 8,471 | 8,375 | 96 | — | ||||||||||||||||||||||||
| 2023 | — | 6,140 | 6,014 | — | 126 | ||||||||||||||||||||||||
| 2022 | 225 | 13,429 | 13,335 | 94 | — | ||||||||||||||||||||||||
| Prior | — | 18,605 | 18,088 | 221 | 296 | ||||||||||||||||||||||||
| Revolving loans | — | 988,061 | 978,015 | 6,511 | 3,535 | ||||||||||||||||||||||||
| Total | $ | 301 | 1,048,971 | 1,037,911 | 7,103 | 3,957 | |||||||||||||||||||||||
| Other consumer loans | |||||||||||||||||||||||||||||
Term loans by origination year | |||||||||||||||||||||||||||||
| 2026 (year-to-date) | $ | 2,025 | 40,852 | 37,557 | 3,255 | 40 | |||||||||||||||||||||||
| 2025 | 75 | 122,713 | 122,484 | 172 | 57 | ||||||||||||||||||||||||
| 2024 | 100 | 77,468 | 76,403 | 904 | 161 | ||||||||||||||||||||||||
| 2023 | 71 | 59,685 | 58,728 | 644 | 313 | ||||||||||||||||||||||||
| 2022 | 31 | 37,063 | 36,574 | 334 | 155 | ||||||||||||||||||||||||
| Prior | 34 | 55,298 | 54,640 | 369 | 289 | ||||||||||||||||||||||||
| Revolving loans | — | 38,712 | 38,441 | 217 | 54 | ||||||||||||||||||||||||
| Total | $ | 2,336 | 431,791 | 424,827 | 5,895 | 1,069 | |||||||||||||||||||||||
| 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 | ||||||||||||||||||||||
| March 31, 2026 | December 31, 2025 | ||||||||||||||||||||||
| (Dollars in thousands) | Finance Leases | Operating Leases | Finance Leases | Operating Leases | |||||||||||||||||||
| Right-of-use assets | $ | 45,839 | 42,353 | ||||||||||||||||||||
| Accumulated depreciation | (16,605) | (15,332) | |||||||||||||||||||||
| $ | 29,234 | 47,110 | 27,021 | 48,553 | |||||||||||||||||||
| $ | 31,209 | 51,457 | 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 | % | |||||||||||||||
| March 31, 2026 | |||||||||||
| (Dollars in thousands) | Finance Leases | Operating Leases | |||||||||
| Maturing within one year | $ | 6,481 | 7,704 | ||||||||
| Maturing one year through two years | 6,350 | 7,337 | |||||||||
| Maturing two years through three years | 6,361 | 6,442 | |||||||||
| Maturing three years through four years | 5,966 | 5,440 | |||||||||
| Maturing four years through five years | 1,616 | 4,787 | |||||||||
| Thereafter | 9,804 | 35,857 | |||||||||
| Total lease payments | 36,578 | 67,567 | |||||||||
| Present value of lease payments | |||||||||||
| Short-term | 5,381 | 5,837 | |||||||||
| Long-term | 25,828 | 45,620 | |||||||||
| Total present value of lease payments | 31,209 | 51,457 | |||||||||
| Difference between lease payments and present value of lease payments | $ | 5,369 | 16,110 | ||||||||
| Three Months ended | |||||||||||
| (Dollars in thousands) | March 31, 2026 | March 31, 2025 | |||||||||
| Finance lease cost | |||||||||||
| Amortization of right-of-use assets | $ | 1,343 | 1,075 | ||||||||
| Interest on lease liabilities | 295 | 182 | |||||||||
| Operating lease cost | 2,090 | 1,281 | |||||||||
| Short-term lease cost | 256 | 126 | |||||||||
| Variable lease cost | 759 | 473 | |||||||||
| Sublease income | (27) | (10) | |||||||||
| Total lease expense | $ | 4,716 | 3,127 | ||||||||
| Three Months ended | |||||||||||||||||||||||
| March 31, 2026 | March 31, 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 | $ | 295 | 1,934 | 182 | 921 | ||||||||||||||||||
| Financing cash flows | 1,150 | N/A | 976 | N/A | |||||||||||||||||||
| | ||
| Three Months ended | |||||||||||
| (Dollars in thousands) | March 31, 2026 | March 31, 2025 | |||||||||
| Net carrying value at beginning of period | $ | 1,378,283 | 1,051,318 | ||||||||
| Acquisitions and adjustments | — | — | |||||||||
| Net carrying value at end of period | $ | 1,378,283 | 1,051,318 | ||||||||
| (Dollars in thousands) | March 31, 2026 | December 31, 2025 | |||||||||
| Carrying value at beginning of period | $ | 11,779 | 11,958 | ||||||||
| Additions | 404 | 1,268 | |||||||||
| Amortization | (312) | (1,447) | |||||||||
| Carrying value at end of period | $ | 11,871 | 11,779 | ||||||||
| Principal balances of loans serviced for others | $ | 1,473,238 | 1,470,673 | ||||||||
| Fair value of servicing rights | $ | 16,922 | 16,489 | ||||||||
| (Dollars in thousands) | March 31, 2026 | December 31, 2025 | |||||||||
| Assets | |||||||||||
| Loans receivable | $ | 96,096 | 95,701 | ||||||||
| Accrued interest receivable | 166 | — | |||||||||
| Other assets | 88,286 | 91,461 | |||||||||
| Total assets | $ | 184,548 | 187,162 | ||||||||
| Liabilities | |||||||||||
| Other borrowed funds | $ | 51,564 | 51,473 | ||||||||
| Accrued interest payable | 311 | 418 | |||||||||
| Other liabilities | 28,280 | 31,852 | |||||||||
| Total liabilities | $ | 80,155 | 83,743 | ||||||||
| (Dollars in thousands) | Amount | ||||
| Years ending December 31, | |||||
| 2026 | $ | 41,662 | |||
| 2027 | 22,204 | ||||
| 2028 | 1,288 | ||||
| 2029 | 652 | ||||
| 2030 | 559 | ||||
| Thereafter | 2,118 | ||||
| Total | $ | 68,483 | |||
| Three Months ended | |||||||||||
| (Dollars in thousands) | March 31, 2026 | March 31, 2025 | |||||||||
Amortization expense | $ | ||||||||||
Tax credits and other tax benefits recognized | |||||||||||
| Overnight and Continuous | |||||||||||
| (Dollars in thousands) | March 31, 2026 | December 31, 2025 | |||||||||
| U.S. government and federal agency | $ | 246,118 | $ | 308,437 | |||||||
| Residential mortgage-backed securities | 1,695,493 | 1,775,676 | |||||||||
| Commercial mortgage-backed securities | 144,012 | — | |||||||||
| Total | $ | 2,085,623 | $ | 2,084,113 | |||||||
| March 31, 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 | 0.17 years | $ | 925,500 | 336 | 1,395,500 | 244 | |||||||||||||||||||||||
| Interest rate cap agreements | 4.37 years | 100,000 | 2,811 | 100,000 | 2,128 | ||||||||||||||||||||||||
| Non-designated derivatives | |||||||||||||||||||||||||||||
| Interest rate lock commitments | 85,589 | 1,268 | 44,089 | 700 | |||||||||||||||||||||||||
| TBA commitments | 34,000 | 284 | 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 balance sheet | March 31, 2026 | December 31, 2025 | March 31, 2026 | December 31, 2025 | ||||||||||||||||||||||
| $ | 2,515,118 | 2,692,319 | (336) | (244) | ||||||||||||||||||||||
| 99,554 | 99,528 | (873) | (315) | |||||||||||||||||||||||
| Three Months ended | ||||||||||||||
| (Dollars in thousands) | Location of Gain (Loss) | March 31, 2026 | March 31, 2025 | |||||||||||
| Interest rate swap | Interest income on investment securities | $ | 347 | $ | (1,459) | |||||||||
| Interest rate caps | Interest income on investment securities | (102) | — | |||||||||||
| Available-for-sale debt securities | Interest income on investment securities | (92) | 4,157 | |||||||||||
| Three Months ended | |||||||||||
| (Dollars in thousands) | March 31, 2026 | March 31, 2025 | |||||||||
| Amount of (loss) gain recognized in OCI | $ | 229 | $ | — | |||||||
| Three Months ended | |||||||||||
| (Dollars in thousands) | March 31, 2026 | March 31, 2025 | |||||||||
| Mergers and acquisition expenses | $ | 8,907 | 587 | ||||||||
| Consulting and outside services | 5,227 | 5,142 | |||||||||
| Debit card expenses | 5,041 | 3,831 | |||||||||
| Variable interest entities amortization and other expenses | 3,021 | 3,087 | |||||||||
| Loan expenses | 2,127 | 1,909 | |||||||||
| Employee expenses | 2,014 | 1,525 | |||||||||
| Postage | 1,685 | 1,364 | |||||||||
| Business development | 1,665 | 1,435 | |||||||||
| Telephone | 1,658 | 1,422 | |||||||||
| Printing and supplies | 1,201 | 686 | |||||||||
| Checking and operating expenses | 820 | 839 | |||||||||
| Legal fees | 646 | 481 | |||||||||
| Loss (gain) on dispositions of premises and equipment | 445 | (1,010) | |||||||||
| Accounting and audit fees | 441 | 840 | |||||||||
| Other | 4,242 | 3,294 | |||||||||
| Total other expenses | $ | 39,140 | 25,432 | ||||||||
| (Dollars in thousands) | (Losses) Gains on Available-For-Sale and Transferred Debt Securities | (Losses) Gains on Derivatives Used for Cash Flow Hedges | (Losses) Gains on Derivatives Used for Fair Value Hedges | Total | |||||||||||||||||||
| Balance at January 1, 2025 | $ | (309,836) | 540 | — | (309,296) | ||||||||||||||||||
| Other comprehensive income (loss) before reclassifications | 45,624 | (493) | — | 45,131 | |||||||||||||||||||
| Reclassification adjustments for losses and transfers included in net income | — | (47) | — | (47) | |||||||||||||||||||
| Reclassification adjustments for amortization included in net income for transferred securities | 1,101 | — | — | 1,101 | |||||||||||||||||||
| Net current period other comprehensive income (loss) | 46,725 | (540) | — | 46,185 | |||||||||||||||||||
| Balance at March 31, 2025 | $ | (263,111) | — | — | (263,111) | ||||||||||||||||||
| Balance at January 1, 2026 | $ | (166,846) | — | (264) | (167,110) | ||||||||||||||||||
| Other comprehensive (loss) income before reclassifications | (10,013) | — | 172 | (9,841) | |||||||||||||||||||
| Reclassification adjustments for amortization included in net income for transferred securities | 902 | — | — | 902 | |||||||||||||||||||
| Net current period other comprehensive (loss) income | (9,111) | — | 172 | (8,939) | |||||||||||||||||||
| Balance at March 31, 2026 | $ | (175,957) | — | (92) | (176,049) | ||||||||||||||||||
| Three Months ended | |||||||||||
| (Dollars in thousands, except per share data) | March 31, 2026 | March 31, 2025 | |||||||||
Net income available to common stockholders, basic and diluted | $ | 82,144 | 54,568 | ||||||||
| Average outstanding shares - basic | 130,052,858 | 113,451,199 | |||||||||
Add: dilutive restricted stock units and stock options | 189,907 | 95,166 | |||||||||
| Average outstanding shares - diluted | 130,242,765 | 113,546,365 | |||||||||
| Basic earnings per share | $ | 0.63 | 0.48 | ||||||||
| Diluted earnings per share | $ | 0.63 | 0.48 | ||||||||
Restricted stock units and stock options excluded from the diluted average outstanding share calculation 1 | 185,334 | 73,900 | |||||||||
| Fair Value Measurements At the End of the Reporting Period Using | |||||||||||||||||||||||
| (Dollars in thousands) | Fair Value March 31, 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 | $ | 240,893 | — | 240,893 | — | ||||||||||||||||||
| U.S. government sponsored enterprises | 123,234 | — | 123,234 | — | |||||||||||||||||||
| State and local governments | 152,283 | — | 152,283 | — | |||||||||||||||||||
| Corporate bonds | 13,561 | — | 13,561 | — | |||||||||||||||||||
| Residential mortgage-backed securities | 2,081,594 | — | 2,081,594 | — | |||||||||||||||||||
| Commercial mortgage-backed securities | 973,966 | — | 973,966 | — | |||||||||||||||||||
| Loans held for sale, at fair value | 41,652 | — | 41,652 | — | |||||||||||||||||||
| Interest rate caps | 2,811 | — | 2,811 | — | |||||||||||||||||||
| Interest rate locks | 1,268 | — | 1,268 | — | |||||||||||||||||||
| TBA hedge | 284 | — | 284 | — | |||||||||||||||||||
| Interest rate swaps | 336 | — | 336 | — | |||||||||||||||||||
Total assets measured at fair value on a recurring basis | $ | 3,631,882 | — | 3,631,882 | — | ||||||||||||||||||
| 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 March 31, 2026 | 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 | $ | 2,102 | — | — | 2,102 | ||||||||||||||||||
Total assets measured at fair value on a non-recurring basis | $ | 2,102 | — | — | 2,102 | ||||||||||||||||||
| 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 March 31, 2026 | 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 | $ | 2,028 | Cost approach | Selling costs | 10.0% - 10.0% (10.0%) | ||||||||||||||||||
| 74 | Sales comparison approach | Selling costs | 10.0% - 20.0% (10.6%) | ||||||||||||||||||||
| $ | 2,102 | ||||||||||||||||||||||
| 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 March 31, 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 | $ | 1,385,237 | 1,385,237 | — | — | ||||||||||||||||||
| Debt securities, held-to-maturity | 3,058,662 | — | 2,810,941 | — | |||||||||||||||||||
| Loans receivable, net of ACL | 20,777,892 | — | — | 20,794,933 | |||||||||||||||||||
| Total financial assets | $ | 25,221,791 | 1,385,237 | 2,810,941 | 20,794,933 | ||||||||||||||||||
| Financial liabilities | |||||||||||||||||||||||
| Term deposits | $ | 3,851,209 | — | 3,885,337 | — | ||||||||||||||||||
| FHLB advances | — | — | — | — | |||||||||||||||||||
Repurchase agreements and other borrowed funds | 2,168,396 | — | 2,168,396 | — | |||||||||||||||||||
| Subordinated debentures | 188,032 | — | 182,208 | — | |||||||||||||||||||
| Total financial liabilities | $ | 6,207,637 | — | 6,235,941 | — | ||||||||||||||||||
| 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 | |||||||||||||||||
(Dollars in thousands, except per share and market data) | Mar 31, 2026 | Dec 31, 2025 | Mar 31, 2025 | ||||||||||||||
| Operating results | |||||||||||||||||
| Net income | $ | 82,144 | 63,779 | 54,568 | |||||||||||||
| Basic earnings per share | $ | 0.63 | 0.49 | 0.48 | |||||||||||||
| Diluted earnings per share | $ | 0.63 | 0.49 | 0.48 | |||||||||||||
Operating diluted earnings per share 1 | $ | 0.70 | 0.69 | 0.47 | |||||||||||||
| Dividends declared per share | $ | 0.33 | 0.33 | 0.33 | |||||||||||||
| Market value per share | |||||||||||||||||
| Closing | $ | 44.67 | 44.05 | 44.22 | |||||||||||||
| High | $ | 53.99 | 49.56 | 52.81 | |||||||||||||
| Low | $ | 41.87 | 39.90 | 43.18 | |||||||||||||
| Selected ratios and other data | |||||||||||||||||
Number of common stock shares outstanding | 130,124,378 | 129,971,712 | 113,517,944 | ||||||||||||||
| Average outstanding shares - basic | 130,052,858 | 129,950,587 | 113,451,199 | ||||||||||||||
| Average outstanding shares - diluted | 130,242,765 | 130,145,104 | 113,546,365 | ||||||||||||||
| Return on average assets (annualized) | 1.05 | % | 0.78 | % | 0.80 | % | |||||||||||
| Return on average equity (annualized) | 7.82 | % | 6.05 | % | 6.77 | % | |||||||||||
| Efficiency ratio | 63.05 | % | 61.04 | % | 65.49 | % | |||||||||||
| Loan to deposit ratio | 85.18 | % | 85.26 | % | 83.64 | % | |||||||||||
Number of full time equivalent employees | 4,139 | 4,087 | 3,457 | ||||||||||||||
| Number of locations | 282 | 281 | 227 | ||||||||||||||
| Number of ATMs | 337 | 337 | 286 | ||||||||||||||
| $ Change from | |||||||||||||||||||||||||||||
| (Dollars in thousands) | Mar 31, 2026 | Dec 31, 2025 | Mar 31, 2025 | Dec 31, 2025 | Mar 31, 2025 | ||||||||||||||||||||||||
| Cash and cash equivalents | $ | 1,385,237 | 1,235,261 | 981,485 | 149,976 | 403,752 | |||||||||||||||||||||||
Debt securities, available-for-sale | 3,585,531 | 4,007,512 | 4,172,312 | (421,981) | (586,781) | ||||||||||||||||||||||||
Debt securities, held-to-maturity | 3,058,662 | 3,110,216 | 3,261,575 | (51,554) | (202,913) | ||||||||||||||||||||||||
Total debt securities | 6,644,193 | 7,117,728 | 7,433,887 | (473,535) | (789,694) | ||||||||||||||||||||||||
Loans receivable 1 | |||||||||||||||||||||||||||||
| Residential real estate | 2,167,860 | 2,457,907 | 1,850,079 | (290,047) | 317,781 | ||||||||||||||||||||||||
Commercial real estate | 13,918,178 | 13,565,512 | 10,952,809 | 352,666 | 2,965,369 | ||||||||||||||||||||||||
| Other commercial | 3,466,863 | 3,497,829 | 3,121,477 | (30,966) | 345,386 | ||||||||||||||||||||||||
| Home equity | 1,048,971 | 977,206 | 920,132 | 71,765 | 128,839 | ||||||||||||||||||||||||
| Other consumer | 431,791 | 429,342 | 374,021 | 2,449 | 57,770 | ||||||||||||||||||||||||
| Loans receivable | 21,033,663 | 20,927,796 | 17,218,518 | 105,867 | 3,815,145 | ||||||||||||||||||||||||
Allowance for credit losses | (255,771) | (255,319) | (210,400) | (452) | (45,371) | ||||||||||||||||||||||||
Loans receivable, net | 20,777,892 | 20,672,477 | 17,008,118 | 105,415 | 3,769,774 | ||||||||||||||||||||||||
| Other assets | 2,926,760 | 2,952,597 | 2,435,389 | (25,837) | 491,371 | ||||||||||||||||||||||||
| Total assets | $ | 31,734,082 | 31,978,063 | 27,858,879 | (243,981) | 3,875,203 | |||||||||||||||||||||||
| $ Change from | |||||||||||||||||||||||||||||
| (Dollars in thousands) | Mar 31, 2026 | Dec 31, 2025 | Mar 31, 2025 | Dec 31, 2025 | Mar 31, 2025 | ||||||||||||||||||||||||
| Deposits | |||||||||||||||||||||||||||||
Non-interest bearing deposits | $ | 7,427,280 | 7,314,779 | 6,100,548 | 112,501 | 1,326,732 | |||||||||||||||||||||||
NOW and DDA accounts | 6,217,728 | 6,236,551 | 5,676,177 | (18,823) | 541,551 | ||||||||||||||||||||||||
Savings accounts | 3,193,293 | 3,158,939 | 2,896,378 | 34,354 | 296,915 | ||||||||||||||||||||||||
Money market deposit accounts | 4,049,361 | 3,948,201 | 2,816,874 | 101,160 | 1,232,487 | ||||||||||||||||||||||||
Certificate accounts | 3,851,209 | 3,928,550 | 3,140,333 | (77,341) | 710,876 | ||||||||||||||||||||||||
Core deposits, total | 24,738,871 | 24,587,020 | 20,630,310 | 151,851 | 4,108,561 | ||||||||||||||||||||||||
Wholesale deposits | 3,000 | 4,076 | 3,740 | (1,076) | (740) | ||||||||||||||||||||||||
Deposits, total | 24,741,871 | 24,591,096 | 20,634,050 | 150,775 | 4,107,821 | ||||||||||||||||||||||||
Securities sold under agreements to repurchase | 2,085,623 | 2,084,113 | 1,849,070 | 1,510 | 236,553 | ||||||||||||||||||||||||
FHLB advances | — | 440,000 | 1,520,000 | (440,000) | (1,520,000) | ||||||||||||||||||||||||
| Other borrowed funds | 51,564 | 51,473 | 62,216 | 91 | (10,652) | ||||||||||||||||||||||||
| Finance lease liabilities | 31,209 | 28,808 | 20,227 | 2,401 | 10,982 | ||||||||||||||||||||||||
| Subordinated debentures | 188,032 | 187,492 | 133,145 | 540 | 54,887 | ||||||||||||||||||||||||
| Other liabilities | 387,284 | 381,260 | 352,563 | 6,024 | 34,721 | ||||||||||||||||||||||||
| Total liabilities | $ | 27,485,583 | 27,764,242 | 24,571,271 | (278,659) | 2,914,312 | |||||||||||||||||||||||
| $ Change from | |||||||||||||||||||||||||||||
(Dollars in thousands, except per share data) | Mar 31, 2026 | Dec 31, 2025 | Mar 31, 2025 | Dec 31, 2025 | Mar 31, 2025 | ||||||||||||||||||||||||
Stockholders’ equity to total assets | 13.39 | % | 13.18 | % | 11.80 | % | |||||||||||||||||||||||
Tangible stockholders’ equity to total tangible assets (non-GAAP) 1 | 9.15 | % | 8.95 | % | 8.18 | % | |||||||||||||||||||||||
Book value per common share | $ | 32.65 | 32.42 | 28.96 | 0.23 | 3.69 | |||||||||||||||||||||||
Tangible book value per common share (non-GAAP) 1 | $ | 21.29 | 21.01 | 19.28 | 0.28 | 2.01 | |||||||||||||||||||||||
| Three Months ended | $ Change from | ||||||||||||||||||||||||||||
| (Dollars in thousands) | Mar 31, 2026 | Dec 31, 2025 | Mar 31, 2025 | Dec 31, 2025 | Mar 31, 2025 | ||||||||||||||||||||||||
| Net interest income | |||||||||||||||||||||||||||||
| Interest income | $ | 362,337 | 372,754 | 289,925 | (10,417) | 72,412 | |||||||||||||||||||||||
| Interest expense | 93,660 | 106,688 | 99,946 | (13,028) | (6,286) | ||||||||||||||||||||||||
| Total net interest income | 268,677 | 266,066 | 189,979 | 2,611 | 78,698 | ||||||||||||||||||||||||
| Non-interest income | |||||||||||||||||||||||||||||
| Deposit service charges and other fees | 15,265 | 15,904 | 13,215 | (639) | 2,050 | ||||||||||||||||||||||||
| Payment services | 11,368 | 12,626 | 9,328 | (1,258) | 2,040 | ||||||||||||||||||||||||
Miscellaneous loan fees and charges | 2,279 | 2,519 | 1,691 | (240) | 588 | ||||||||||||||||||||||||
| Gain on sale of loans | 5,108 | 4,594 | 4,311 | 514 | 797 | ||||||||||||||||||||||||
| Gain (loss) on sale of investments | — | — | — | — | — | ||||||||||||||||||||||||
| Other income | 4,062 | 4,804 | 4,097 | (742) | (35) | ||||||||||||||||||||||||
Total non-interest income | 38,082 | 40,447 | 32,642 | (2,365) | 5,440 | ||||||||||||||||||||||||
| Total income | $ | 306,759 | 306,513 | 222,621 | 246 | 84,138 | |||||||||||||||||||||||
Net interest margin (tax-equivalent) | 3.80 | % | 3.58 | % | 3.04 | % | |||||||||||||||||||||||
Core net interest margin (non-GAAP) 1 | 3.73 | % | 3.51 | % | 2.98 | % | |||||||||||||||||||||||
| Three Months ended | $ Change from | ||||||||||||||||||||||||||||
| (Dollars in thousands) | Mar 31, 2026 | Dec 31, 2025 | Mar 31, 2025 | Dec 31, 2025 | Mar 31, 2025 | ||||||||||||||||||||||||
Compensation and employee benefits | $ | 115,770 | 110,999 | 91,443 | 4,771 | 24,327 | |||||||||||||||||||||||
| Occupancy and equipment | 15,682 | 17,529 | 12,294 | (1,847) | 3,388 | ||||||||||||||||||||||||
| Advertising and promotions | 5,256 | 4,609 | 4,144 | 647 | 1,112 | ||||||||||||||||||||||||
| Data processing | 13,273 | 13,089 | 9,138 | 184 | 4,135 | ||||||||||||||||||||||||
| Other real estate owned | 206 | 140 | 63 | 66 | 143 | ||||||||||||||||||||||||
Regulatory assessments and insurance | 6,403 | 5,495 | 5,534 | 908 | 869 | ||||||||||||||||||||||||
Intangibles amortization | 4,799 | 5,180 | 3,270 | (381) | 1,529 | ||||||||||||||||||||||||
| Other expenses | 39,140 | 37,516 | 25,432 | 1,624 | 13,708 | ||||||||||||||||||||||||
| Total non-interest expense | $ | 200,529 | 194,557 | 151,318 | 5,972 | 49,211 | |||||||||||||||||||||||
| (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 | ||||||||||||||||||||||||
| 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 | % | |||||||||||||||||||||
| Second quarter 2024 | 5,066 | 2,890 | 1.19 | % | 0.29 | % | 0.06 | % | |||||||||||||||||||||
| (Dollars in thousands) | Mar 31, 2026 | Dec 31, 2025 | Mar 31, 2025 | ||||||||||||||
| Tangible Equity | |||||||||||||||||
| Total stockholders’ equity | $ | 4,248,499 | 4,213,821 | 3,287,608 | |||||||||||||
| Less: goodwill and intangible assets, net | (1,478,753) | (1,483,552) | (1,099,229) | ||||||||||||||
| Tangible stockholders' equity (non-GAAP) | $ | 2,769,746 | 2,730,269 | 2,188,379 | |||||||||||||
| Tangible Assets | |||||||||||||||||
| Total assets | $ | 31,734,082 | 31,978,063 | 27,858,879 | |||||||||||||
| Less: goodwill and intangible assets, net | (1,478,753) | (1,483,552) | (1,099,229) | ||||||||||||||
| Tangible assets (non-GAAP) | $ | 30,255,329 | 30,494,511 | 26,759,650 | |||||||||||||
| Tangible equity to tangible assets (non-GAAP) | 9.15 | % | 8.95 | % | 8.18 | % | |||||||||||
| Book value per share | $ | 0.03 | $ | 0.03 | $ | 0.03 | |||||||||||
| Tangible book value per share (non-GAAP) | $ | 0.02 | $ | 0.02 | $ | 0.02 | |||||||||||
| At or for the Three Months ended | |||||||||||||||||
| (Dollars in thousands) | Mar 31, 2026 | Dec 31, 2025 | Mar 31, 2025 | ||||||||||||||
| Core Net Interest Margin | |||||||||||||||||
Net interest income (tax equivalent) 1 | $ | 272,383 | 269,618 | 193,400 | |||||||||||||
| Purchase accounting | (5,140) | (4,628) | (3,361) | ||||||||||||||
| Non-accrual loan (recovery) reversal | (42) | (693) | 14 | ||||||||||||||
| Core net interest income (tax equivalent) (non-GAAP) | $ | 267,201 | 264,297 | 190,053 | |||||||||||||
| Average earning assets | $ | 29,078,665 | 29,842,441 | 25,830,807 | |||||||||||||
| Net interest margin | 3.80 | % | 3.58 | % | 3.04 | % | |||||||||||
| Core net interest margin (non-GAAP) | 3.73 | % | 3.51 | % | 2.98 | % | |||||||||||
| At or for the Three Months ended | |||||||||||||||||
| (Dollars in thousands) | Mar 31, 2026 | Dec 31, 2025 | Mar 31, 2025 | ||||||||||||||
| Operating Diluted Earnings Per Share | |||||||||||||||||
| Net income | $ | 82,144 | 63,779 | 54,568 | |||||||||||||
| Operating adjustments | |||||||||||||||||
| Loan interest (recovery) reversal | (42) | (693) | 14 | ||||||||||||||
| BOLI proceeds | (776) | (1,601) | (1,114) | ||||||||||||||
| Acquisition-related compensation | 2,775 | 2,946 | 251 | ||||||||||||||
| Lease terminations | 200 | 1,101 | — | ||||||||||||||
| FDIC special assessment | (87) | (827) | (219) | ||||||||||||||
| Loss (gain) on fixed assets | 445 | 1,918 | (1,010) | ||||||||||||||
| Acquisition ACL expense | — | 27,247 | — | ||||||||||||||
| Acquisition-related expense | 8,907 | 5,802 | 587 | ||||||||||||||
| Tax impact | (3,018) | (9,274) | 264 | ||||||||||||||
| Net operating adjustments | 8,404 | 26,619 | (1,227) | ||||||||||||||
| Operating net income (non-GAAP) | $ | 90,548 | 90,398 | 53,341 | |||||||||||||
| Weighted average diluted commons shares outstanding | 130,242,765 | 130,145,104 | 113,546,365 | ||||||||||||||
| Diluted EPS | $ | 0.63 | $ | 0.49 | $ | 0.48 | |||||||||||
| Operating diluted EPS (non-GAAP) | $ | 0.70 | $ | 0.69 | $ | 0.47 | |||||||||||
| March 31, 2026 | December 31, 2025 | March 31, 2025 | |||||||||||||||||||||||||||||||||
| (Dollars in thousands) | Carrying Amount | Percent | Carrying Amount | Percent | Carrying Amount | Percent | |||||||||||||||||||||||||||||
| Available-for-sale | |||||||||||||||||||||||||||||||||||
| U.S. government and federal agency | $ | 240,893 | 4 | % | $ | 255,930 | 4 | % | $ | 472,122 | 6 | % | |||||||||||||||||||||||
| U.S. government sponsored enterprises | 123,234 | 2 | % | 312,488 | 4 | % | 313,508 | 4 | % | ||||||||||||||||||||||||||
| State and local governments | 152,283 | 2 | % | 164,084 | 2 | % | 67,917 | 1 | % | ||||||||||||||||||||||||||
| Corporate bonds | 13,561 | — | % | 33,949 | 1 | % | 14,652 | 1 | % | ||||||||||||||||||||||||||
| Residential mortgage-backed securities | 2,081,594 | 31 | % | 2,215,119 | 31 | % | 2,278,421 | 31 | % | ||||||||||||||||||||||||||
| Commercial mortgage-backed securities | 973,966 | 15 | % | 1,025,942 | 14 | % | 1,025,692 | 14 | % | ||||||||||||||||||||||||||
Total available-for-sale | 3,585,531 | 54 | % | 4,007,512 | 56 | % | 4,172,312 | 57 | % | ||||||||||||||||||||||||||
| Held-to-maturity | |||||||||||||||||||||||||||||||||||
| U.S. government and federal agency | 867,249 | 13 | % | 865,696 | 12 | % | 860,978 | 11 | % | ||||||||||||||||||||||||||
| State and local governments | 1,575,040 | 24 | % | 1,587,673 | 23 | % | 1,613,709 | 21 | % | ||||||||||||||||||||||||||
| Residential mortgage-backed securities | 616,373 | 9 | % | 656,847 | 9 | % | 786,888 | 11 | % | ||||||||||||||||||||||||||
| Total held-to-maturity | 3,058,662 | 46 | % | 3,110,216 | 44 | % | 3,261,575 | 43 | % | ||||||||||||||||||||||||||
| Total debt securities | $ | 6,644,193 | 100 | % | $ | 7,117,728 | 100 | % | $ | 7,433,887 | 100 | % | |||||||||||||||||||||||
| March 31, 2026 | December 31, 2025 | ||||||||||||||||||||||
| (Dollars in thousands) | Amortized Cost | Fair Value | Amortized Cost | Fair Value | |||||||||||||||||||
S&P: AAA / Moody’s: Aaa | $ | 461,310 | 416,597 | 470,591 | 430,538 | ||||||||||||||||||
S&P: AA+, AA, AA- / Moody’s: Aa1, Aa2, Aa3 | 1,214,728 | 1,068,964 | 1,228,601 | 1,093,684 | |||||||||||||||||||
S&P: A+, A, A- / Moody’s: A1, A2, A3 | 45,278 | 44,825 | 45,339 | 45,083 | |||||||||||||||||||
Not rated by either entity | 8,443 | 8,176 | 8,447 | 8,170 | |||||||||||||||||||
Total | $ | 1,729,759 | 1,538,562 | 1,752,978 | 1,577,475 | ||||||||||||||||||
| March 31, 2026 | December 31, 2025 | ||||||||||||||||||||||
| (Dollars in thousands) | Amortized Cost | Fair Value | Amortized Cost | Fair Value | |||||||||||||||||||
General obligation - unlimited | $ | 357,235 | 334,864 | 368,095 | 348,356 | ||||||||||||||||||
General obligation - limited | 194,076 | 173,580 | 204,370 | 185,810 | |||||||||||||||||||
| Revenue | 1,140,105 | 995,315 | 1,142,091 | 1,008,112 | |||||||||||||||||||
Certificate of participation | 35,055 | 31,481 | 35,134 | 31,854 | |||||||||||||||||||
Other | 3,288 | 3,322 | 3,288 | 3,343 | |||||||||||||||||||
Total | $ | 1,729,759 | 1,538,562 | 1,752,978 | 1,577,475 | ||||||||||||||||||
| March 31, 2026 | December 31, 2025 | ||||||||||||||||||||||
| (Dollars in thousands) | Amortized Cost | Fair Value | Amortized Cost | Fair Value | |||||||||||||||||||
| New York | $ | 367,225 | 329,244 | 367,478 | 332,746 | ||||||||||||||||||
| Texas | 187,156 | 174,763 | 204,775 | 194,031 | |||||||||||||||||||
| California | 108,569 | 100,167 | 108,915 | 101,273 | |||||||||||||||||||
| Washington | 85,719 | 77,696 | 86,633 | 78,960 | |||||||||||||||||||
| Colorado | 77,466 | 68,120 | 77,665 | 68,872 | |||||||||||||||||||
All other states | 903,624 | 788,572 | 907,512 | 801,593 | |||||||||||||||||||
Total | $ | 1,729,759 | 1,538,562 | 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 | $ | 179,298 | 1.19 | % | $ | 54,737 | 3.66 | % | $ | 972 | 4.44 | % | $ | 5,886 | 3.56 | % | $ | — | — | % | $ | 240,893 | 1.83 | % | |||||||||||||||||||||||||||||||||||||||||||||||
U.S. government sponsored enterprises | 113,751 | 1.39 | % | 9,483 | 3.71 | % | — | — | % | — | — | % | — | — | % | 123,234 | 1.56 | % | |||||||||||||||||||||||||||||||||||||||||||||||||||||
State and local governments | 15,030 | 1.79 | % | 26,603 | 2.61 | % | 64,684 | 3.15 | % | 45,966 | 3.72 | % | — | — | % | 152,283 | 3.10 | % | |||||||||||||||||||||||||||||||||||||||||||||||||||||
Corporate bonds | — | — | % | 9,897 | 6.44 | % | 2,953 | 5.69 | % | 711 | 0.46 | % | — | — | % | 13,561 | 5.96 | % | |||||||||||||||||||||||||||||||||||||||||||||||||||||
Residential mortgage-backed securities | — | — | % | — | — | % | — | — | % | — | — | % | 2,081,594 | 1.42 | % | 2,081,594 | 1.42 | % | |||||||||||||||||||||||||||||||||||||||||||||||||||||
Commercial mortgage-backed securities | — | — | % | — | — | % | — | — | % | — | — | % | 973,966 | 3.64 | % | 973,966 | 3.64 | % | |||||||||||||||||||||||||||||||||||||||||||||||||||||
Total available-for-sale | 308,079 | 1.29 | % | 100,720 | 3.67 | % | 68,609 | 3.27 | % | 52,563 | 3.66 | % | 3,055,560 | 2.11 | % | 3,585,531 | 2.13 | % | |||||||||||||||||||||||||||||||||||||||||||||||||||||
Held-to-maturity | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
U.S. government and federal agency | 378,223 | 1.09 | % | 489,026 | 1.22 | % | — | — | % | — | — | % | — | — | % | 867,249 | 1.16 | % | |||||||||||||||||||||||||||||||||||||||||||||||||||||
State and local governments | 7,938 | 3.61 | % | 113,279 | 3.61 | % | 264,743 | 3.34 | % | 1,189,080 | 3.02 | % | — | — | % | 1,575,040 | 3.12 | % | |||||||||||||||||||||||||||||||||||||||||||||||||||||
Residential mortgage-backed securities | — | — | % | — | — | % | — | — | % | — | — | % | 616,373 | 1.00 | % | 616,373 | 1.00 | % | |||||||||||||||||||||||||||||||||||||||||||||||||||||
Total held-to-maturity | 386,161 | 1.14 | % | 602,305 | 1.67 | % | 264,743 | 3.34 | % | 1,189,080 | 3.02 | % | 616,373 | 1.00 | % | 3,058,662 | 2.14 | % | |||||||||||||||||||||||||||||||||||||||||||||||||||||
Total debt securities | $ | 694,240 | 1.21 | % | $ | 703,025 | 1.96 | % | $ | 333,352 | 3.33 | % | $ | 1,241,643 | 3.05 | % | $ | 3,671,933 | 1.93 | % | $ | 6,644,193 | 2.13 | % | |||||||||||||||||||||||||||||||||||||||||||||||
| March 31, 2026 | December 31, 2025 | March 31, 2025 | |||||||||||||||||||||||||||||||||
| (Dollars in thousands) | Amount | Percent | Amount | Percent | Amount | Percent | |||||||||||||||||||||||||||||
| Residential real estate | $ | 2,167,860 | 10 | % | $ | 2,457,907 | 12 | % | $ | 1,850,079 | 11 | % | |||||||||||||||||||||||
| Commercial real estate | 13,918,178 | 67 | % | 13,565,512 | 65 | % | 10,952,809 | 64 | % | ||||||||||||||||||||||||||
| Other commercial | 3,466,863 | 17 | % | 3,497,829 | 17 | % | 3,121,477 | 18 | % | ||||||||||||||||||||||||||
| Home equity | 1,048,971 | 5 | % | 977,206 | 5 | % | 920,132 | 6 | % | ||||||||||||||||||||||||||
| Other consumer | 431,791 | 2 | % | 429,342 | 2 | % | 374,021 | 2 | % | ||||||||||||||||||||||||||
Loans receivable 1 | 21,033,663 | 101 | % | 20,927,796 | 101 | % | 17,218,518 | 101 | % | ||||||||||||||||||||||||||
| Allowance for credit losses | (255,771) | (1) | % | (255,319) | (1) | % | (210,400) | (1) | % | ||||||||||||||||||||||||||
| Loans receivable, net | $ | 20,777,892 | 100 | % | $ | 20,672,477 | 100 | % | $ | 17,008,118 | 100 | % | |||||||||||||||||||||||
| March 31, 2026 | |||||||||||||||||||||||
| (Dollars in thousands) | Owner Occupied | Non-Owner Occupied | Total | Percent of total CRE | |||||||||||||||||||
| Office | $ | 807,258 | $ | 916,225 | $ | 1,723,483 | 12.4 | % | |||||||||||||||
| Retail | 513,747 | 1,162,668 | 1,676,415 | 12.0 | % | ||||||||||||||||||
| Industrial and warehouse | 973,541 | 551,418 | 1,524,959 | 11.0 | % | ||||||||||||||||||
| Multi-family | — | 1,364,662 | 1,364,662 | 9.8 | % | ||||||||||||||||||
| Hotel | — | 863,011 | 863,011 | 6.2 | % | ||||||||||||||||||
| Mini and RV Storage | 23,322 | 737,523 | 760,845 | 5.5 | % | ||||||||||||||||||
| Medical and nursing | 369,033 | 346,920 | 715,953 | 5.1 | % | ||||||||||||||||||
| Agriculture real estate | 706,468 | — | 706,468 | 5.1 | % | ||||||||||||||||||
| Land | 89,287 | 560,951 | 650,238 | 4.7 | % | ||||||||||||||||||
| Restaurant and entertainment | 310,442 | 154,050 | 464,492 | 3.3 | % | ||||||||||||||||||
| Automotive and transportation | 380,145 | 80,813 | 460,958 | 3.3 | % | ||||||||||||||||||
| Other commercial real estate | 2,409,687 | 597,007 | 3,006,694 | 21.6 | % | ||||||||||||||||||
| Total commercial real estate | $ | 6,582,930 | $ | 7,335,248 | $ | 13,918,178 | 100 | % | |||||||||||||||
| (Dollars in thousands) | March 31, 2026 | ||||||||||
| Amount | Percent of total CRE | ||||||||||
| Montana | $ | 3,179,645 | 22.8 | % | |||||||
| Utah | 2,133,727 | 15.3 | % | ||||||||
| Idaho | 1,957,446 | 14.1 | % | ||||||||
| Texas | 1,485,746 | 10.7 | % | ||||||||
| Arizona | 1,414,865 | 10.2 | % | ||||||||
| Colorado | 1,166,056 | 8.4 | % | ||||||||
| Washington | 997,319 | 7.2 | % | ||||||||
| Wyoming | 821,057 | 5.9 | % | ||||||||
| Nevada | 762,317 | 5.5 | % | ||||||||
| Total commercial real estate | $ | 13,918,178 | 100 | % | |||||||
| At or for the Three Months ended | At or for the Year ended | At or for the Three Months ended | |||||||||||||||
| (Dollars in thousands) | March 31, 2026 | December 31, 2025 | March 31, 2025 | ||||||||||||||
| Other real estate owned and foreclosed assets | $ | 1,610 | 411 | 1,153 | |||||||||||||
| Accruing loans 90 days or more past due | 13,470 | 5,997 | 5,289 | ||||||||||||||
| Non-accrual loans | 64,415 | 62,487 | 32,896 | ||||||||||||||
| Total non-performing assets | $ | 79,495 | 68,895 | 39,338 | |||||||||||||
Non-performing assets as a percentage of subsidiary assets | 0.25 | % | 0.22 | % | 0.14 | % | |||||||||||
ACL as a percentage of non-performing loans | 328 | % | 373 | % | 551 | % | |||||||||||
| Accruing loans 30-89 days past due | $ | 91,760 | 78,826 | 46,458 | |||||||||||||
U.S. government guarantees included in non-performing assets | $ | 8,066 | 8,733 | 685 | |||||||||||||
Interest income 1 | $ | 984 | 3,669 | 1,897 | |||||||||||||
| At or for the Three Months ended | At or for the Year ended | At or for the Three Months ended | |||||||||||||||
| (Dollars in thousands) | March 31, 2026 | December 31, 2025 | March 31, 2025 | ||||||||||||||
| Balance at beginning of period | $ | 411 | 1,164 | 1,164 | |||||||||||||
| Additions | 1,374 | 2,367 | 30 | ||||||||||||||
| Write-downs | — | (76) | — | ||||||||||||||
| Sales | (175) | (3,044) | (41) | ||||||||||||||
| Balance at end of period | $ | 1,610 | 411 | 1,153 | |||||||||||||
| March 31, 2026 | December 31, 2025 | March 31, 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 | $ | 25,949 | 10 | % | 10 | % | $ | 31,875 | 12 | % | 12 | % | $ | 26,595 | 13 | % | 11 | % | |||||||||||||||||||||||||||||||||||
Commercial real estate | 171,733 | 67 | % | 66 | % | 166,803 | 65 | % | 65 | % | 140,369 | 67 | % | 64 | % | ||||||||||||||||||||||||||||||||||||||
| Other commercial | 39,025 | 15 | % | 17 | % | 37,954 | 15 | % | 16 | % | 25,642 | 12 | % | 18 | % | ||||||||||||||||||||||||||||||||||||||
| Home equity | 11,763 | 5 | % | 5 | % | 11,645 | 5 | % | 5 | % | 11,348 | 5 | % | 5 | % | ||||||||||||||||||||||||||||||||||||||
| Other consumer | 7,301 | 3 | % | 2 | % | 7,042 | 3 | % | 2 | % | 6,446 | 3 | % | 2 | % | ||||||||||||||||||||||||||||||||||||||
| Total | $ | 255,771 | 100 | % | 100 | % | $ | 255,319 | 100 | % | 100 | % | $ | 210,400 | 100 | % | 100 | % | |||||||||||||||||||||||||||||||||||
| At or for the Three Months ended | At or for the Year ended | At or for the Three Months ended | |||||||||||||||
| (Dollars in thousands) | March 31, 2026 | December 31, 2025 | March 31, 2025 | ||||||||||||||
| Balance at beginning of period | $ | 255,319 | 206,041 | 206,041 | |||||||||||||
| Acquisitions | — | 154 | — | ||||||||||||||
| Provision for credit losses | 3,514 | 61,846 | 6,154 | ||||||||||||||
| Net (charge-offs) recoveries | |||||||||||||||||
| Residential real estate | 14 | 273 | 62 | ||||||||||||||
| Commercial real estate | (94) | (1,827) | 356 | ||||||||||||||
| Other commercial | (1,094) | (3,568) | (480) | ||||||||||||||
| Home equity | (295) | (28) | 23 | ||||||||||||||
| Other consumer | (1,593) | (7,572) | (1,756) | ||||||||||||||
| Net charge-offs | (3,062) | (12,722) | (1,795) | ||||||||||||||
| Balance at end of period | $ | 255,771 | 255,319 | 210,400 | |||||||||||||
ACL as a percentage of total loans | 1.22 | % | 1.22 | % | 1.22 | % | |||||||||||
| Non-accrual loans as a percentage of total loans | 0.31 | % | 0.30 | % | 0.19 | % | |||||||||||
| ACL as a percentage of non-accrual loans | 397.07 | % | 408.60 | % | 639.59 | % | |||||||||||
| March 31, 2026 | December 31, 2025 | March 31, 2025 | |||||||||||||||
| Residential real estate | — | % | 0.01 | % | — | % | |||||||||||
| Commercial real estate | — | % | (0.02) | % | — | % | |||||||||||
| Other commercial | (0.03) | % | (0.11) | % | (0.02) | % | |||||||||||
| Home equity | (0.03) | % | — | % | — | % | |||||||||||
| Other consumer | (0.37) | % | (1.91) | % | (0.46) | % | |||||||||||
| Total net (charge-offs) recoveries | (0.01) | % | (0.07) | % | (0.01) | % | |||||||||||
| Loans Receivable, by Loan Type | % Change from | ||||||||||||||||||||||||||||
| (Dollars in thousands) | Mar 31, 2026 | Dec 31, 2025 | Mar 31, 2025 | Dec 31, 2025 | Mar 31, 2025 | ||||||||||||||||||||||||
Custom and owner occupied construction | $ | 227,869 | $ | 263,713 | $ | 233,584 | (14) | % | (2) | % | |||||||||||||||||||
Pre-sold and spec construction | 268,831 | 255,542 | 200,921 | 5 | % | 34 | % | ||||||||||||||||||||||
Total residential construction | 496,700 | 519,255 | 434,505 | (4) | % | 14 | % | ||||||||||||||||||||||
| Land development | 218,943 | 263,262 | 177,448 | (17) | % | 23 | % | ||||||||||||||||||||||
| Consumer land or lots | 234,467 | 247,769 | 197,553 | (5) | % | 19 | % | ||||||||||||||||||||||
| Unimproved land | 240,944 | 167,796 | 115,528 | 44 | % | 109 | % | ||||||||||||||||||||||
Developed lots for operative builders | 50,056 | 69,786 | 64,782 | (28) | % | (23) | % | ||||||||||||||||||||||
| Commercial lots | 120,528 | 155,631 | 95,574 | (23) | % | 26 | % | ||||||||||||||||||||||
| Other construction | 1,144,637 | 1,122,350 | 714,151 | 2 | % | 60 | % | ||||||||||||||||||||||
Total land, lot, and other construction | 2,009,575 | 2,026,594 | 1,365,036 | (1) | % | 47 | % | ||||||||||||||||||||||
| Owner occupied | 3,908,697 | 3,950,726 | 3,182,589 | (1) | % | 23 | % | ||||||||||||||||||||||
| Non-owner occupied | 5,125,101 | 4,859,173 | 4,054,107 | 5 | % | 26 | % | ||||||||||||||||||||||
Total commercial real estate | 9,033,798 | 8,809,899 | 7,236,696 | 3 | % | 25 | % | ||||||||||||||||||||||
| Commercial and industrial | 1,630,625 | 1,649,101 | 1,392,365 | (1) | % | 17 | % | ||||||||||||||||||||||
| Agriculture | 1,252,040 | 1,282,861 | 1,016,081 | (2) | % | 23 | % | ||||||||||||||||||||||
| First lien | 3,051,563 | 3,098,023 | 2,499,494 | (1) | % | 22 | % | ||||||||||||||||||||||
| Junior lien | 103,240 | 106,205 | 85,343 | (3) | % | 21 | % | ||||||||||||||||||||||
| Total 1-4 family | 3,154,803 | 3,204,228 | 2,584,837 | (2) | % | 22 | % | ||||||||||||||||||||||
| Multifamily residential | 1,068,813 | 1,019,484 | 874,071 | 5 | % | 22 | % | ||||||||||||||||||||||
| Home equity lines of credit | 1,081,438 | 1,076,201 | 989,043 | — | % | 9 | % | ||||||||||||||||||||||
| Other consumer | 227,762 | 237,393 | 188,388 | (4) | % | 21 | % | ||||||||||||||||||||||
| Total consumer | 1,309,200 | 1,313,594 | 1,177,431 | — | % | 11 | % | ||||||||||||||||||||||
| States and political subdivisions | 945,587 | 964,591 | 1,001,058 | (2) | % | (6) | % | ||||||||||||||||||||||
| Other | 174,174 | 177,375 | 176,961 | (2) | % | (2) | % | ||||||||||||||||||||||
Total loans receivable, including loans held for sale | 21,075,315 | 20,966,982 | 17,259,041 | 1 | % | 22 | % | ||||||||||||||||||||||
Less loans held for sale 1 | (41,652) | (39,186) | (40,523) | 6 | % | 3 | % | ||||||||||||||||||||||
| Total loans receivable | $ | 21,033,663 | $ | 20,927,796 | $ | 17,218,518 | 1 | % | 22 | % | |||||||||||||||||||
| Non-performing Assets, by Loan Type | Non- Accrual Loans | Accruing Loans 90 Days or More Past Due | Other Real Estate Owned | ||||||||||||||||||||||||||||||||
| (Dollars in thousands) | Mar 31, 2026 | Dec 31, 2025 | Mar 31, 2025 | Mar 31, 2026 | Mar 31, 2026 | Mar 31, 2026 | |||||||||||||||||||||||||||||
Custom and owner occupied construction | $ | 404 | 183 | 194 | 404 | — | — | ||||||||||||||||||||||||||||
| Pre-sold and spec construction | 889 | 919 | 2,896 | 889 | — | — | |||||||||||||||||||||||||||||
Total residential construction | 1,293 | 1,102 | 3,090 | 1,293 | — | — | |||||||||||||||||||||||||||||
| Land development | 866 | 898 | 935 | 866 | — | — | |||||||||||||||||||||||||||||
| Consumer land or lots | 17 | 79 | 173 | 17 | — | — | |||||||||||||||||||||||||||||
Developed lots for operative builders | 567 | 456 | 531 | — | — | 567 | |||||||||||||||||||||||||||||
| Commercial lots | — | 556 | 47 | — | — | — | |||||||||||||||||||||||||||||
| Other construction | 580 | 129 | — | — | — | 580 | |||||||||||||||||||||||||||||
Total land, lot and other construction | 2,030 | 2,118 | 1,686 | 883 | — | 1,147 | |||||||||||||||||||||||||||||
| Owner occupied | 4,254 | 3,969 | 3,601 | 3,418 | 836 | — | |||||||||||||||||||||||||||||
| Non-owner occupied | 18,423 | 7,606 | 2,235 | 18,423 | — | — | |||||||||||||||||||||||||||||
Total commercial real estate | 22,677 | 11,575 | 5,836 | 21,841 | 836 | — | |||||||||||||||||||||||||||||
| Commercial and industrial | 26,480 | 27,308 | 12,367 | 22,225 | 4,144 | 111 | |||||||||||||||||||||||||||||
| Agriculture | 6,119 | 3,549 | 2,382 | 2,371 | 3,748 | — | |||||||||||||||||||||||||||||
| First lien | 14,231 | 15,816 | 8,752 | 9,949 | 4,167 | 115 | |||||||||||||||||||||||||||||
| Junior lien | 1,276 | 1,776 | 296 | 1,276 | — | — | |||||||||||||||||||||||||||||
| Total 1-4 family | 15,507 | 17,592 | 9,048 | 11,225 | 4,167 | 115 | |||||||||||||||||||||||||||||
| Multifamily residential | 409 | 395 | 400 | 409 | — | — | |||||||||||||||||||||||||||||
| Home equity lines of credit | 3,746 | 3,968 | 3,479 | 3,420 | 171 | 155 | |||||||||||||||||||||||||||||
| Other consumer | 1,151 | 1,229 | 1,003 | 748 | 321 | 82 | |||||||||||||||||||||||||||||
| Total consumer | 4,897 | 5,197 | 4,482 | 4,168 | 492 | 237 | |||||||||||||||||||||||||||||
| Other | 83 | 59 | 47 | — | 83 | — | |||||||||||||||||||||||||||||
| Total | $ | 79,495 | 68,895 | 39,338 | 64,415 | 13,470 | 1,610 | ||||||||||||||||||||||||||||
| Accruing 30-89 Days Delinquent Loans, by Loan Type | % Change from | ||||||||||||||||||||||||||||
| (Dollars in thousands) | Mar 31, 2026 | Dec 31, 2025 | Mar 31, 2025 | Dec 31, 2025 | Mar 31, 2025 | ||||||||||||||||||||||||
Custom and owner occupied construction | $ | — | $ | 533 | $ | 786 | (100) | % | (100) | % | |||||||||||||||||||
| Pre-sold and spec construction | 2,284 | 1,189 | — | 92 | % | n/m | |||||||||||||||||||||||
Total residential construction | 2,284 | 1,722 | 786 | 33 | % | 191 | % | ||||||||||||||||||||||
| Land development | 416 | 3,994 | — | (90) | % | n/m | |||||||||||||||||||||||
| Consumer land or lots | 1,041 | 1,162 | 1,026 | (10) | % | 1 | % | ||||||||||||||||||||||
| Unimproved land | 454 | — | 32 | n/m | 1,319 | % | |||||||||||||||||||||||
Developed lots for operative builders | 5,218 | 2,300 | — | 127 | % | n/m | |||||||||||||||||||||||
| Commercial lots | — | 965 | 189 | (100) | % | (100) | % | ||||||||||||||||||||||
| Other construction | — | 4,787 | — | (100) | % | n/m | |||||||||||||||||||||||
Total land, lot and other construction | 7,129 | 13,208 | 1,247 | (46) | % | 472 | % | ||||||||||||||||||||||
| Owner occupied | 9,985 | 6,103 | 3,786 | 64 | % | 164 | % | ||||||||||||||||||||||
| Non-owner occupied | 21,459 | 15,388 | 346 | 39 | % | 6,102 | % | ||||||||||||||||||||||
Total commercial real estate | 31,444 | 21,491 | 4,132 | 46 | % | 661 | % | ||||||||||||||||||||||
| Commercial and industrial | 11,662 | 10,215 | 5,358 | 14 | % | 118 | % | ||||||||||||||||||||||
| Agriculture | 4,424 | 2,390 | 5,731 | 85 | % | (23) | % | ||||||||||||||||||||||
| First lien | 19,407 | 19,699 | 14,826 | (1) | % | 31 | % | ||||||||||||||||||||||
| Junior lien | 2,576 | 20 | 1,023 | 12,780 | % | 152 | % | ||||||||||||||||||||||
| Total 1-4 family | 21,983 | 19,719 | 15,849 | 11 | % | 39 | % | ||||||||||||||||||||||
| Multifamily residential | 869 | 150 | — | 479 | % | n/m | |||||||||||||||||||||||
| Home equity lines of credit | 7,111 | 5,415 | 6,993 | 31 | % | 2 | % | ||||||||||||||||||||||
| Other consumer | 1,755 | 1,866 | 1,824 | (6) | % | (4) | % | ||||||||||||||||||||||
| Total consumer | 8,866 | 7,281 | 8,817 | 22 | % | 1 | % | ||||||||||||||||||||||
| States and political subdivisions | — | — | 3,220 | n/m | (100) | % | |||||||||||||||||||||||
| Other | 3,099 | 2,650 | 1,318 | 17 | % | 135 | % | ||||||||||||||||||||||
| Total | $ | 91,760 | $ | 78,826 | $ | 46,458 | 16 | % | 98 | % | |||||||||||||||||||
| Net Charge-Offs (Recoveries), Year-to-Date Period Ending, By Loan Type | Charge-Offs | Recoveries | |||||||||||||||||||||||||||
| (Dollars in thousands) | Mar 31, 2026 | Dec 31, 2025 | Mar 31, 2025 | Mar 31, 2026 | Mar 31, 2026 | ||||||||||||||||||||||||
| 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 | — | (2) | (1) | — | — | ||||||||||||||||||||||||
| Non-owner occupied | — | 2,232 | (6) | — | — | ||||||||||||||||||||||||
| Total commercial real estate | — | 2,230 | (7) | — | — | ||||||||||||||||||||||||
| Commercial and industrial | 576 | 2,104 | 92 | 607 | 31 | ||||||||||||||||||||||||
| Agriculture | (2) | (112) | (1) | — | 2 | ||||||||||||||||||||||||
| First lien | 86 | (182) | (69) | 121 | 35 | ||||||||||||||||||||||||
| Junior lien | (19) | (38) | (5) | — | 19 | ||||||||||||||||||||||||
| Total 1-4 family | 67 | (220) | (74) | 121 | 54 | ||||||||||||||||||||||||
| Home equity lines of credit | 82 | 43 | (20) | 114 | 32 | ||||||||||||||||||||||||
| Other consumer | 173 | 1,600 | 276 | 320 | 147 | ||||||||||||||||||||||||
| Total consumer | 255 | 1,643 | 256 | 434 | 179 | ||||||||||||||||||||||||
| Other | 2,166 | 7,448 | 1,873 | 3,024 | 858 | ||||||||||||||||||||||||
| Total | $ | 3,062 | 12,722 | 1,795 | 4,186 | 1,124 | |||||||||||||||||||||||
| March 31, 2026 | December 31, 2025 | March 31, 2025 | |||||||||||||||||||||||||||||||||
| (Dollars in thousands) | Amount | Percent | Amount | Percent | Amount | Percent | |||||||||||||||||||||||||||||
| Non-interest bearing deposits | $ | 7,427,280 | 30 | % | $ | 7,314,779 | 30 | % | $ | 6,100,548 | 30 | % | |||||||||||||||||||||||
| NOW and DDA accounts | 6,217,728 | 25 | % | 6,236,551 | 25 | % | 5,676,177 | 27 | % | ||||||||||||||||||||||||||
| Savings accounts | 3,193,293 | 13 | % | 3,158,939 | 13 | % | 2,896,378 | 14 | % | ||||||||||||||||||||||||||
| Money market deposit accounts | 4,049,361 | 16 | % | 3,948,201 | 16 | % | 2,816,874 | 14 | % | ||||||||||||||||||||||||||
| Certificate accounts | 3,851,209 | 16 | % | 3,928,550 | 16 | % | 3,140,333 | 15 | % | ||||||||||||||||||||||||||
| Wholesale deposits | 3,000 | — | % | 4,076 | — | % | 3,740 | — | % | ||||||||||||||||||||||||||
| Total interest bearing deposits | 17,314,591 | 70 | % | 17,276,317 | 70 | % | 14,533,502 | 70 | % | ||||||||||||||||||||||||||
| Total deposits | $ | 24,741,871 | 100 | % | $ | 24,591,096 | 100 | % | $ | 20,634,050 | 100 | % | |||||||||||||||||||||||
| (Dollars in thousands) | March 31, 2026 | December 31, 2025 | |||||||||
| FHLB advances | |||||||||||
| Borrowing capacity | $ | 4,958,232 | 4,872,433 | ||||||||
| Amount utilized | — | (440,000) | |||||||||
| Letters of credit and other pledged collateral | (14,776) | (10,224) | |||||||||
| Amount available | $ | 4,943,456 | 4,422,209 | ||||||||
| FRB discount window | |||||||||||
| Borrowing capacity | $ | 2,159,845 | 2,048,309 | ||||||||
| Amount utilized | — | — | |||||||||
| Amount available | $ | 2,159,845 | 2,048,309 | ||||||||
| Unsecured lines of credit available | $ | 530,000 | 530,000 | ||||||||
| Unencumbered debt securities | |||||||||||
| U.S. government and federal agency | $ | 74,422 | 90,783 | ||||||||
| U.S. government sponsored enterprises | — | 13,758 | |||||||||
| State and local governments | 831,733 | 929,248 | |||||||||
| Corporate bonds | 13,561 | 33,949 | |||||||||
| Residential mortgage-backed securities | 69,485 | 160,623 | |||||||||
| Commercial mortgage-backed securities | 578,442 | 794,427 | |||||||||
Total unencumbered debt securities 1 | $ | 1,567,643 | 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 | 14.13 | % | 12.89 | % | 12.89 | % | 9.80 | % | |||||||||||||||
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 | % | |||||||||||||||
| Three Months ended | |||||||||||
| (Dollars in thousands) | March 31, 2026 | March 31, 2025 | |||||||||
| Income before income taxes | $ | 100,166 | 63,489 | ||||||||
| Federal and state income tax expense | 18,022 | 8,921 | |||||||||
| Net income | $ | 82,144 | 54,568 | ||||||||
Effective tax rate 1 | 18.0 | % | 14.1 | % | |||||||
| Income from tax-exempt debt securities, municipal loans and leases | $ | 21,182 | 20,860 | ||||||||
| Benefits from federal income tax credits | $ | 9,102 | 9,560 | ||||||||
| (Dollars in thousands) | New Markets Tax Credits | Low-Income Housing Tax Credits | Debt Securities Tax Credits | Historic Tax Credits | Total | ||||||||||||||||||||||||
| 2026 | $ | 5,192 | 31,567 | 43 | 564 | 37,366 | |||||||||||||||||||||||
| 2027 | 5,370 | 32,360 | 43 | 564 | 38,337 | ||||||||||||||||||||||||
| 2028 | 3,354 | 30,012 | 43 | — | 33,409 | ||||||||||||||||||||||||
| 2029 | 1,758 | 28,634 | 43 | — | 30,435 | ||||||||||||||||||||||||
| 2030 | 1,068 | 27,134 | 43 | — | 28,245 | ||||||||||||||||||||||||
| Thereafter | — | 90,119 | 62 | — | 90,181 | ||||||||||||||||||||||||
| $ | 16,742 | 239,826 | 277 | 1,128 | 257,973 | ||||||||||||||||||||||||
| Three Months ended | Three Months ended | ||||||||||||||||||||||||||||||||||
| March 31, 2026 | March 31, 2025 | ||||||||||||||||||||||||||||||||||
| (Dollars in thousands) | Average Balance | Interest and Dividends | Average Yield/ Rate | Average Balance | Interest and Dividends | Average Yield/ Rate | |||||||||||||||||||||||||||||
| Assets | |||||||||||||||||||||||||||||||||||
| Residential real estate loans | $ | 2,360,462 | $ | 33,708 | 5.71 | % | $ | 1,885,497 | $ | 24,275 | 5.15 | % | |||||||||||||||||||||||
Commercial loans 1 | 17,206,377 | 260,287 | 6.13 | % | 14,091,210 | 198,921 | 5.73 | % | |||||||||||||||||||||||||||
| Consumer and other loans | 1,425,664 | 24,887 | 7.08 | % | 1,302,687 | 22,616 | 7.04 | % | |||||||||||||||||||||||||||
Total loans 2 | 20,992,503 | 318,882 | 6.16 | % | 17,279,394 | 245,812 | 5.77 | % | |||||||||||||||||||||||||||
Tax-exempt investment securities 3 | 1,647,612 | 14,452 | 3.51 | % | 1,604,851 | 13,936 | 3.47 | % | |||||||||||||||||||||||||||
Taxable investment securities 4, 5 | 6,438,550 | 32,709 | 2.03 | % | 6,946,562 | 33,598 | 1.93 | % | |||||||||||||||||||||||||||
| Total earning assets | 29,078,665 | 366,043 | 5.11 | % | 25,830,807 | 293,346 | 4.61 | % | |||||||||||||||||||||||||||
| Goodwill and intangibles | 1,481,187 | 1,100,801 | |||||||||||||||||||||||||||||||||
| Non-earning assets | 1,203,188 | 847,855 | |||||||||||||||||||||||||||||||||
| Total assets | $ | 31,763,040 | $ | 27,779,463 | |||||||||||||||||||||||||||||||
| Liabilities | |||||||||||||||||||||||||||||||||||
| Non-interest bearing deposits | $ | 7,230,420 | $ | — | — | % | $ | 5,989,490 | $ | — | — | % | |||||||||||||||||||||||
| NOW and DDA accounts | 6,167,696 | 15,897 | 1.05 | % | 5,525,976 | 15,065 | 1.11 | % | |||||||||||||||||||||||||||
| Savings accounts | 3,163,850 | 5,500 | 0.71 | % | 2,861,675 | 5,159 | 0.73 | % | |||||||||||||||||||||||||||
| Money market deposit accounts | 3,963,618 | 19,078 | 1.95 | % | 2,849,470 | 13,526 | 1.93 | % | |||||||||||||||||||||||||||
| Certificate accounts | 3,896,903 | 31,742 | 3.30 | % | 3,152,198 | 29,075 | 3.74 | % | |||||||||||||||||||||||||||
| Total core deposits | 24,422,487 | 72,217 | 1.20 | % | 20,378,809 | 62,825 | 1.25 | % | |||||||||||||||||||||||||||
| Short-term borrowings | |||||||||||||||||||||||||||||||||||
Wholesale deposits 6 | 3,615 | 34 | 3.81 | % | 3,600 | 40 | 4.53 | % | |||||||||||||||||||||||||||
| Repurchase agreements | 2,074,082 | 13,619 | 2.66 | % | 1,842,773 | 13,733 | 3.02 | % | |||||||||||||||||||||||||||
| FHLB advances | 361,778 | 4,226 | 4.67 | % | 1,744,000 | 20,719 | 4.75 | % | |||||||||||||||||||||||||||
| Total short-term borrowings | 2,439,475 | 17,879 | 2.93 | % | 3,590,373 | 34,492 | 3.91 | % | |||||||||||||||||||||||||||
| Long-term borrowings | |||||||||||||||||||||||||||||||||||
Subordinated debentures and other borrowed funds | 267,450 | 3,564 | 5.40 | % | 216,073 | 2,629 | 4.94 | % | |||||||||||||||||||||||||||
Total interest bearing liabilities | 27,129,412 | 93,660 | 1.40 | % | 24,185,255 | 99,946 | 1.68 | % | |||||||||||||||||||||||||||
| Other liabilities | 372,547 | 326,764 | |||||||||||||||||||||||||||||||||
| Total liabilities | 27,501,959 | 24,512,019 | |||||||||||||||||||||||||||||||||
| Stockholders’ Equity | |||||||||||||||||||||||||||||||||||
| Stockholders’ equity | 4,261,081 | 3,267,444 | |||||||||||||||||||||||||||||||||
Total liabilities and stockholders’ equity | $ | 31,763,040 | $ | 27,779,463 | |||||||||||||||||||||||||||||||
| Net interest income (tax-equivalent) | $ | 272,383 | $ | 193,400 | |||||||||||||||||||||||||||||||
| Net interest spread (tax-equivalent) | 3.71 | % | 2.93 | % | |||||||||||||||||||||||||||||||
| Net interest margin (tax-equivalent) | 3.80 | % | 3.04 | % | |||||||||||||||||||||||||||||||
| Three Months ended March 31, 2026 | |||||||||||||||||
| 2026 vs. 2025 | |||||||||||||||||
| Increase (Decrease) Due to: | |||||||||||||||||
| (Dollars in thousands) | Volume | Rate | Net | ||||||||||||||
| Interest income | |||||||||||||||||
| Residential real estate loans | $ | 6,114 | 3,319 | 9,433 | |||||||||||||
| Commercial loans (tax-equivalent) | 43,977 | 17,389 | 61,366 | ||||||||||||||
| Consumer and other loans | 2,135 | 136 | 2,271 | ||||||||||||||
| Investment securities (tax-equivalent) | (2,586) | 2,213 | (373) | ||||||||||||||
| Total interest income | 49,640 | 23,057 | 72,697 | ||||||||||||||
| Interest expense | |||||||||||||||||
| NOW and DDA accounts | 1,749 | (917) | 832 | ||||||||||||||
| Savings accounts | 545 | (204) | 341 | ||||||||||||||
| Money market deposit accounts | 5,289 | 263 | 5,552 | ||||||||||||||
| Certificate accounts | 6,869 | (4,202) | 2,667 | ||||||||||||||
| Wholesale deposits | — | (6) | (6) | ||||||||||||||
| Repurchase agreements | 1,724 | (1,838) | (114) | ||||||||||||||
| FHLB advances | (16,421) | (72) | (16,493) | ||||||||||||||
Subordinated debentures and other borrowed funds | 625 | 310 | 935 | ||||||||||||||
| Total interest expense | 380 | (6,666) | (6,286) | ||||||||||||||
| Net interest income (tax-equivalent) | $ | 49,260 | 29,723 | 78,983 | |||||||||||||
| Estimated Sensitivity | ||||||||||||||
| Rate Scenarios | One Year | Two Years | ||||||||||||
| -400 bp Rate ramp | 0.29 | % | (3.20 | %) | ||||||||||
| -200 bp Rate ramp | (0.08 | %) | (4.12 | %) | ||||||||||
| -200 bp Rate shock | (1.47 | %) | (6.94 | %) | ||||||||||
| -100 bp Rate shock | (1.20 | %) | (3.91 | %) | ||||||||||
| +100 bp Rate shock | 2.15 | % | 4.35 | % | ||||||||||
| +200 bp Rate shock | 2.10 | % | 6.37 | % | ||||||||||
| +200 bp Rate ramp | 0.87 | % | 3.84 | % | ||||||||||
| +400 bp Rate ramp | 0.78 | % | 3.27 | % | ||||||||||
| GLACIER BANCORP, INC. | ||||||||
| May 1, 2026 | /s/ Randall M. Chesler | |||||||
| Randall M. Chesler | ||||||||
| President and CEO | ||||||||
| May 1, 2026 | /s/ Ron J. Copher | |||||||
| Ron J. Copher | ||||||||
| Executive Vice President and CFO | ||||||||
| May 1, 2026 | /s/ Randall M. Chesler | |||||||
| Randall M. Chesler | ||||||||
| President/CEO | ||||||||
| May 1, 2026 | /s/ Ron J. Copher | |||||||
| Ron J. Copher | ||||||||
| Executive Vice President/CFO | ||||||||
| May 1, 2026 | /s/ Randall M. Chesler | |||||||
| Randall M. Chesler | ||||||||
| President/CEO | ||||||||
| May 1, 2026 | /s/ Ron J. Copher | |||||||
| Ron J. Copher | ||||||||
| Executive Vice President/CFO | ||||||||