Condensed Consolidated Statements of Cash Flows (Unaudited) - USD ($) $ in Thousands		6 Months Ended
		Jun. 30, 2025	Jun. 30, 2024
Cash flows from operating activities:
Net income		$ 67,295	$ 53,485
Adjustments to reconcile net income to net cash provided by operating activities:
Provision for credit losses		3,075	2,725
Depreciation, amortization and accretion, net		2,021	6,963
Deferred income tax expense (benefit)		(930)	(330)
Gain on sale of mortgage loans held for sale		(1,377)	(1,024)
Origination of mortgage loans held for sale		(68,063)	(51,464)
Proceeds from sale of mortgage loans held for sale		70,712	52,106
Bank owned life insurance income	[1]	(1,251)	(1,183)
Gain on the sale of premises and equipment	[1]	(74)	(20)
Stock compensation expense		2,274	1,950
Excess tax benefit from share-based compensation arrangements		(532)	(22)
Net change in accrued interest receivable and other assets		12,549	(3,052)
Net change in accrued interest payable and other liabilities		(9,980)	8,397
Net cash provided by operating activities		75,719	68,531
Cash flows from investing activities:
Proceeds from maturities and paydowns of available for sale debt securities		501,594	61,407
Purchases of available for sale debt securities		(495,032)	0
Proceeds from maturities and paydowns of held to maturity debt securities		162,229	59,286
Purchases of FHLB stock		(17,814)	(27,087)
Proceeds from redemption of FHLB stock		16,578	11,861
Net change in loans		(328,921)	(298,460)
Purchases of premises and equipment		(4,398)	(5,072)
Proceeds from sale or disposal of premises and equipment		710	223
Other investment activities		(34,268)	(8,579)
Proceeds from sales of other real estate owned		75	0
Net cash used in investing activities		(199,247)	(206,421)
Cash flows from financing activities:
Net change in deposits		340,349	(101,510)
Net change in securities sold under agreements to repurchase and federal funds purchased		(36,207)	(2,866)
Proceeds from FHLB advances		600,000	600,000
Repayments of FHLB advances		(600,000)	(400,000)
Repurchase of common stock		(1,916)	(1,687)
Cash dividends paid		(18,306)	(17,655)
Net cash provided by financing activities		283,920	76,282
Net change in cash and cash equivalents		160,392	(61,608)
Beginning cash and cash equivalents		291,020	265,959
Ending cash and cash equivalents		451,412	204,351
Supplemental cash flow information:
Interest paid		82,218	74,696
Income taxes paid, net of refunds		11,035	7,188
Cash paid for operating lease liabilities		2,174	2,373
Supplemental non-cash activity:
Change in unfunded commitments in tax credit investments		21,000	9,250
Dividends payable to stockholders		214	201
Loans transferred to OREO		$ 75	$ 0

[1] Outside of the scope of ASC 606.