Condensed Consolidated Statements of Cash Flows - USD ($)	9 Months Ended
	Sep. 30, 2025	Sep. 30, 2024
Operating Activities
Net income (loss)	$ (177,404,000)	$ 46,311,000
Items not requiring (providing) cash
Provision for credit losses	266,000	4,218,000
Depreciation and amortization	9,645,000	7,684,000
Share based compensation	1,164,000	2,893,000
Amortization of mortgage servicing rights	1,555,000	1,435,000
Net (accretion) amortization of premiums and discounts on securities	(1,177,000)	6,496,000
Purchases of securities held for trading	(598,000)	0
Loss on sale of investment securities	299,538,000	0
Gain on sale of mortgage loans	(3,503,000)	(3,144,000)
Loss on sale of portfolio loans	324,000	0
Proceeds from sales of loans	114,280,000	91,515,000
Loans originated for sale	(114,614,000)	(89,978,000)
Gain on cash value life insurance	(1,060,000)	(965,000)
Gain on other real estate owned	(77,000)	(74,000)
Net change in:
Interest receivable	10,989,000	(656,000)
Interest payable	1,258,000	(10,849,000)
Other assets	(72,995,000)	12,677,000
Other liabilities	(21,933,000)	(12,822,000)
Net cash provided by operating activities	45,658,000	54,741,000
Investing Activities
Purchases of securities available for sale	(583,455,000)	0
Proceeds from sales of securities available for sale	1,409,870,000	0
Proceeds from maturities, calls and principal repayments of securities available for sale	32,284,000	14,721,000
Purchases of securities held to maturity	0	(312,000)
Proceeds from maturities of securities held to maturity	63,783,000	52,586,000
Net change in interest-earning time deposits	735,000	1,470,000
Purchase of FHLB stock	(301,000)	(19,317,000)
Redemption of FHLB stock	8,414,000	0
Purchase of loans	0	(240,020,000)
Proceeds from sale of portfolio loans	228,892,000	0
Net change in loans	(131,826,000)	(173,382,000)
Proceeds on the sale of OREO and repossessed assets	623,000	1,067,000
Premises and equipment expenditures	(4,013,000)	(3,286,000)
Proceeds from bank owned life insurance	748,000	44,043,000
Net cash provided by (used in) investing activities	1,025,754,000	(322,430,000)
Financing Activities
Net change in deposits	(79,751,000)	62,122,000
Proceeds from borrowings	139,943,000	512,759,000
Repayment of borrowings	(1,132,135,000)	(563,120,000)
Net change in repurchase agreements	(2,944,000)	(13,631,000)
Net proceeds from issuance of subordinated notes	95,784,000	0
Net settlement of share awards	(4,141,000)	(840,000)
Proceeds from issuance of common stock	97,950,000	0
Dividends paid on common stock	(21,293,000)	(21,282,000)
Net cash used in financing activities	(906,588,000)	(23,992,000)
Net Change in Cash and Cash Equivalents	164,824,000	(291,681,000)
Cash and Cash Equivalents, Beginning of Period	293,431,000	526,515,000
Cash and Cash Equivalents, End of Period	458,255,000	234,834,000
Additional Supplemental Information
Interest paid	106,222,000	138,505,000
Income taxes paid	20,347,000	9,505,000
Transfer of loans to other real estate and repossessed assets	2,623,000	1,845,000
Transfer of held to maturity securities to available for sale	1,798,361,000	0
Transfer of LHI to HFS	191,485,000	0
Cash dividends declared, not paid	$ 8,194,000	$ 0