Consolidated Statements of Cash Flows - USD ($) $ in Thousands	6 Months Ended
	Jun. 30, 2025	Jun. 30, 2024
Operating Activities
Net income	$ 233,612	$ 201,639
Adjustments to reconcile net income to net cash provided by operating activities:
Depreciation & amortization	14,318	14,714
Increase in value of equity securities	(204)	(729)
Increase in value of equity method investments	(8,958)	(1,461)
Amortization of securities, net	6,545	7,572
Accretion of purchased loans	(2,611)	(4,645)
Share-based compensation	5,456	4,223
Gain on assets	(1,977)	(2,364)
Provision for credit losses - loans	3,000	13,500
Recovery of credit losses - unfunded commitments	0	(1,000)
Deferred income tax effect	5,430	3,640
Increase in cash value of life insurance	(3,257)	(2,474)
Originations of mortgage loans held for sale	(349,313)	(289,488)
Proceeds from sales of mortgage loans held for sale	293,136	302,018
Changes in assets and liabilities:
Accrued interest receivable	12,397	(2,018)
Other assets	(34,086)	(22,561)
Accrued interest payable and other liabilities	21,924	36,358
Net cash provided by operating activities	195,412	256,924
Investing Activities
Net decrease in federal funds sold	1,125	5,100
Net increase in loans	(361,119)	(385,557)
Purchases of investment securities – available-for-sale	(19,521)	(5,100)
Proceeds from maturities of investment securities – available-for-sale	212,672	146,479
Proceeds from maturities of investment securities – held-to-maturity	9,995	3,239
Purchases of equity securities	(5,000)	0
Redemption (purchase) of other investments	10,152	(1,858)
Purchases for improvements to foreclosed assets	(2,747)	0
Proceeds from sale of foreclosed assets	7,014	938
Proceeds from sale of SBA loans	4,308	3,586
Purchases of premises and equipment	(14,882)	(11,902)
Proceeds from sale of premises and equipment	11,749	12,829
Return (purchase) of investment on cash value of life insurance, net	6,161	(1,218)
Net cash used in investing activities	(140,093)	(233,464)
Financing Activities
Net increase in deposits	342,135	168,092
Net decrease in securities sold under agreements to repurchase	(21,537)	(4,089)
Decrease in FHLB and other borrowed funds	(50,250)	(1,400,250)
Increase in FHLB and other borrowed funds	0	1,400,000
Proceeds from exercise of stock options, net	602	670
Repurchase of common stock	(57,293)	(57,041)
Dividends paid on common stock	(78,250)	(72,339)
Net cash provided by financing activities	135,407	35,043
Net change in cash and cash equivalents	190,726	58,503
Cash and cash equivalents – beginning of year	910,347	1,000,213
Cash and cash equivalents – end of period	$ 1,101,073	$ 1,058,716