Consolidated Statements of Cash Flows - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2025	Dec. 31, 2024	Dec. 31, 2023
Cash Flows From Operating Activities:
Net Income (loss)	$ (138,052)	$ (47,035)	$ 100,534
Adjustments to reconcile net income to net cash provided by operating activities:
Provision for credit losses	293,097	66,360	31,536
(Reversal of) provision for unfunded commitments	1,627	(2,127)	(267)
Goodwill impairment	0	104,168	0
Depreciation and amortization	2,947	3,198	3,480
Loss on mortgage servicing rights	0	(1,512)	142
Securities premium amortization (discount accretion), net	4,494	5,416	6,189
Origination of loans residential mortgage loans held for sale	0	0	(29,690)
Proceeds from sale of residential mortgage loans held for sale	0	0	36,842
Gains (loss) on sale of residential mortgage loans held for sale	0	(57)	(418)
Deferred income tax (benefit) expense	(58,132)	2,601	(3,377)
Net gain on sale of other real estate owned	(1,653)	0	(134)
Net increase in cash surrender value of bank owned life insurance	(20,372)	(2,885)	(2,659)
Net (gain) loss on sale of investment securities	3,823	(14)	11
Stock-based compensation expense	7,046	9,561	10,018
Decrease (increase) in other assets	(37,644)	(7,703)	(14,976)
Increase (decrease) in other liabilities	(28,686)	(6,201)	58,395
Net cash provided by operating activities	28,495	123,770	195,626
Cash Flows From Investing Activities:
Purchases of available-for-sale investment securities	(28,224)	0	0
Proceeds from maturities of available-for-sale securities	119,743	115,404	123,782
Proceeds from sale/call of available-for-sale securities	256,238	141,100	8,303
Proceeds from maturities of held-to-maturity securities	68,276	70,235	78,251
Proceeds from call of held-to-maturity securities	19,924	11,868	2,906
Purchases of Federal Reserve stock	(197)	(2,383)	(299)
Proceeds from (purchases of) Federal Home Loan Bank stock	23,634	(23,633)	39,618
Proceeds from sale of mortgage servicing rights	0	4,798	0
Net change in loans	207,617	(6,982)	(351,913)
Proceeds from sale of loans	95,381	0	0
Net (purchase) redemption of bank owned life insurance	(199,159)	0	736
Proceeds from sale of other real estate owned	14,933	656	987
Purchase of premises and equipment	(7,733)	(326)	(70)
Net cash (used in) provided by investing activities	570,433	310,737	(97,699)
Cash Flows From Financing Activities:
Increase (decrease) in deposits	2,528	323,039	94,857
Increase (decrease) in customer repurchase agreements	(33,157)	2,570	(4,513)
Decrease in short-term borrowings	(490,000)	(880,000)	324,999
Net proceeds from long-term borrowings	0	75,812	0
Proceeds from exercise of equity compensation plans	(1,208)	0	0
Proceeds from employee stock purchase plan	436	485	586
Common stock repurchased	0	0	(48,033)
Cash dividends paid	(15,314)	(45,617)	(54,993)
Net cash provided by (used in) financing activities	(536,715)	(523,711)	312,903
Net Increase (Decrease) in Cash and Cash Equivalents	62,213	(89,204)	410,830
Cash and Cash Equivalents at Beginning of Period	633,480	722,684	311,854
Cash and Cash Equivalents at End of Period	695,693	633,480	722,684
Supplemental Cash Flows Information:
Interest paid	342,469	438,222	376,841
Net cash paid (refunds received) for income taxes:
Federal	0	5,200	21,500
State	1,460	3,010	40
Foreign	0	0	0
Net cash paid (refunds received) for income taxes	1,460	8,210	21,540
Supplemental Non-Cash Disclosures:
Initial recognition of operating lease right-of-use assets	15,941	5,786	418
Transfer of loans held for investment to loans held for sale	201,397	5,000	0
Transfers from loans to other real estate owned	12,600	2,370	$ 0
Foreign
Net cash paid (refunds received) for income taxes:
State	1,120	$ 2,790
DC
Net cash paid (refunds received) for income taxes:
State	$ 340