Condensed Consolidated Statements of Cash Flows (Unaudited) - USD ($) $ in Thousands		3 Months Ended
		Mar. 31, 2025	Mar. 31, 2024
Cash flows from operating activities:
Net income		$ 33,271	$ 25,887
Adjustments to reconcile net income to net cash provided by operating activities:
Provision for credit losses		900	1,425
Depreciation, amortization and accretion, net		1,254	3,438
Deferred income tax expense		584	754
Gain on sale of mortgage loans held for sale		(554)	(341)
Origination of mortgage loans held for sale		(29,997)	(22,617)
Proceeds from sale of mortgage loans held for sale		29,040	22,552
Bank owned life insurance income	[1]	(622)	(588)
Stock compensation expense		1,153	942
Excess tax benefit from share-based compensation arrangements		(380)	(4)
Net change in accrued interest receivable and other assets		6,853	(8,907)
Net change in accrued interest payable and other liabilities		(21,719)	(5,125)
Net cash provided by operating activities		19,783	17,416
Cash flows from investing activities:
Proceeds from maturities and paydowns of available for sale debt securities		223,533	30,325
Purchases of available for sale debt securities		(247,468)	0
Proceeds from maturities and paydowns of held to maturity debt securities		157,796	4,506
Purchases of FHLB stock		(15,972)	(9,782)
Proceeds from redemption of FHLB stock		8,260	1,343
Net change in loans		(124,832)	(77,689)
Purchases of premises and equipment		(1,943)	(1,830)
Other investment activities		(11,756)	(4,498)
Net cash used in investing activities		(12,382)	(57,625)
Cash flows from financing activities:
Net change in deposits		127,565	(61,668)
Net change in securities sold under agreements to repurchase and federal funds purchased		(11,528)	6,646
Proceeds from FHLB advances		300,000	200,000
Repayments of FHLB advances		(300,000)	(200,000)
Repurchase of common stock		(1,608)	(1,638)
Cash dividends paid		(9,114)	(8,867)
Net cash provided by (used in) financing activities		105,315	(65,527)
Net change in cash and cash equivalents		112,716	(105,736)
Beginning cash and cash equivalents		291,020	265,959
Ending cash and cash equivalents		403,736	160,223
Supplemental cash flow information:
Interest paid		40,553	36,375
Income taxes paid, net of refunds		6,085	5,115
Cash paid for operating lease liabilities		1,138	1,328
Supplemental non-cash activity:
Change in unfunded commitments in tax credit investments		16,000	0
Dividends payable to stockholders		185	181
Receivable for proceeds from matured HTM investment security		0	50,000
Loans transferred to OREO		$ 75	$ 0

[1] Outside of the scope of ASC 606.