CONSOLIDATED STATEMENTS OF CASH FLOWS (Unaudited) - USD ($) $ in Thousands		9 Months Ended
		Sep. 30, 2025	Sep. 30, 2024
Cash Flows from Operating Activities
Net income		$ 110,618	$ 86,901
Adjustments to reconcile net income to net cash provided by operating activities:
Depreciation		6,715	6,381
Accretion of discounts on securities, net		(3,858)	(2,371)
Amortization of operating lease ROUAs		6,793	6,148
Other amortization and accretion, net		2,224	3,344
Stock-based compensation		11,445	10,233
Origination of loans designated for sale		(75,987)	(82,146)
Sale of loans designated for sale		86,383	79,187
Provision for credit losses		22,000	12,559
Deferred income taxes		7,174	7,321
Losses (gains) on securities		606	(372)
Gains on sale of loans		(4,067)	(4,251)
(Gains) losses on sale of OREO, net of write-downs		(114)	134
Losses on disposition of fixed assets and write-downs upon transfer of bank premises to OREO		106	284
Changes in operating assets and liabilities, net of effects from acquired companies:
Net (increase) decrease in other assets		(37,432)	6,951
Net increase in other liabilities		942	4,606
Net cash provided by operating activities		133,548	134,909
Cash Flows from Investing Activities
Maturities and repayments of debt securities AFS		369,197	269,277
Maturities and repayments of debt securities HTM		36,460	34,361
Proceeds from sale of debt securities AFS		265,524	104,425
Purchases of debt securities AFS		(1,171,727)	(651,360)
Maturities and redemptions of time deposits with other banks		2,219	4,132
Purchases of time deposits with other banks		0	(3,482)
Net new loans and principal repayments		(528,685)	(158,095)
Proceeds from the sale of loans held for investment		19,110	10,905
Proceeds from sale of OREO		2,960	2,841
Proceeds from sale of FHLB and Federal Reserve Bank stock		31,118	11,310
Purchase of FHLB and Federal Reserve Bank stock		(55,185)	(20,743)
Proceeds from BOLI death benefit		2,294	0
Proceeds from sale of Visa Class B shares		0	4,104
Net cash from bank acquisitions		185,995	0
Additions to bank premises and equipment		(7,149)	(3,884)
Net cash used in investing activities		(847,869)	(396,209)
Cash Flows from Financing Activities
Net increase in deposits		142,697	466,651
Net increase (decrease) in repurchase agreements		4,176	(164,397)
Net increase of FHLB borrowings with original maturities of three months or less		100,000	0
Repayments of FHLB borrowings with original maturities of more than three months		(105,000)	(160,000)
Proceeds from FHLB borrowings with original maturities of more than three months		450,000	355,000
Stock-based employee benefit plans		(1,289)	972
Repurchase of common stock		0	(880)
Dividends paid		(46,876)	(46,170)
Net cash provided by financing activities		543,708	451,176
Net (decrease) increase in cash and cash equivalents		(170,613)	189,876
Cash and cash equivalents at beginning of period		476,607	447,182
Cash and cash equivalents at end of period		305,994	637,058
Supplemental disclosure of cash flow information:
Cash paid for interest		205,578	219,201
Cash paid for taxes, net		10,380	10,888
Recognition of operating lease ROUAs, other than through bank acquisitions, net of terminations		9,372	0
Recognition of operating lease liabilities, other than through bank acquisitions, net of terminations		9,372	0
Supplemental disclosure of non-cash investing activities:
Transfers from loans to OREO	[1]	1,116	953
Transfers from bank premises to OREO	[1]	$ 0	$ 883

[1] 1See "Note 11 – Business Combinations" for non-cash transactions related to business combinations.