CONSOLIDATED CONDENSED STATEMENTS OF CASH FLOWS - USD ($) $ in Thousands	9 Months Ended
	Sep. 30, 2025	Sep. 30, 2024
Cash Flow from Operating Activities:
Net income	$ 168,936	$ 137,053
Adjustments to reconcile net income to net cash provided by operating activities:
Provision for credit losses	14,100	31,500
Depreciation and amortization	23,718	10,602
Change in deferred taxes	(2,095)	3,128
Share-based compensation	4,916	4,191
Loans originated for sale	(358,898)	(775,504)
Proceeds from sales of loans held for sale	366,363	773,446
Gains on sales of loans held for sale	(11,992)	(10,508)
Net losses on sales and redemptions of securities available for sale	8	9,165
Increase in cash surrender value of life insurance	(4,667)	(4,128)
Gains on life insurance benefits	(1,092)	(2,148)
Change in interest receivable	2,727	5,585
Change in interest payable	2,138	(319)
Other adjustments	(1,228)	16,643
Net cash provided by operating activities	202,934	198,706
Cash Flows from Investing Activities:
Net change in interest-bearing deposits	130,185	76,954
Purchase of securities available for sale	(10,609)	(93,463)
Proceeds from sales of securities available for sale	0	149,771
Proceeds from maturities and redemptions of:
Securities available for sale	47,991	33,346
Securities held to maturity	76,183	72,938
Purchases of Federal Home Loan Bank stock	(5,644)	0
Redemptions of Federal Home Loan Bank stock	70	53
Payment of capital calls to qualified affordable housing investments	(34,969)	(22,238)
Net change in loans	(681,224)	(206,478)
Proceeds from the sale of other real estate owned	6,072	325
Proceeds from life insurance benefits	4,082	7,964
Other adjustments	(5,203)	(25,046)
Net cash used by investing activities	(473,066)	(885)
Net increase (decrease) in:
Demand and savings deposits	307,586	(308,714)
Certificates of deposit and other time deposits	40,767	140,074
Proceeds from borrowings	854,091	551,851
Repayment of borrowings	(834,422)	(499,542)
Cash dividends on preferred stock	(1,406)	(1,406)
Cash dividends on common stock	(62,092)	(61,146)
Stock issued under employee benefit plans	480	511
Stock issued under dividend reinvestment and stock purchase plans	1,737	1,676
Stock options exercised	330	900
Repurchase of common stock	(36,476)	(49,955)
Net cash provided (used) by financing activities	270,595	(225,751)
Net Change in Cash and Cash Equivalents	463	(27,930)
Cash and Cash Equivalents, January 1	87,616	112,649
Cash and Cash Equivalents, September 30	88,079	84,719
Additional cash flow information:
Interest paid	288,261	327,443
Income tax paid	18,397	6,407
Loans transferred to other real estate owned	2,202	699
Fixed assets transferred to other real estate owned	0	69
Non-cash investing activities using trade date accounting	70,182	17,749
ROU assets obtained in exchange for new operating lease liabilities	692	6,918
Qualified affordable housing investments obtained in exchange for funding commitments	20,000	40,500
Reclassification of loans and other branch assets to held for sale	0	13,404
Reclassification of deposits and other branch liabilities to held for sale	0	288,476
Mortgage Loan
Proceeds from maturities and redemptions of:
Proceeds from portfolio loan sale	0	1,716
Commercial Loan
Proceeds from maturities and redemptions of:
Proceeds from portfolio loan sale	$ 0	$ 3,273