CONSOLIDATED STATEMENTS OF CASH FLOWS - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2024	Dec. 31, 2023	Dec. 31, 2022
Cash flows from operating activities:
Net income	$ 88,457	$ 88,314	$ 75,090
Adjustments to reconcile net income to net cash provided by operating activities:
Provision for credit losses	0	9,407	6,450
Depreciation and amortization	2,937	2,491	2,428
Net (accretion) amortization of securities premiums and discounts	(1,381)	(109)	376
Increase in cash surrender value of BOLI	(2,430)	(2,027)	(2,233)
Gain on BOLI death benefit	(4)	(4,346)	0
Decrease (Increase) in deferred income taxes, net	8,128	(5,603)	4,330
Net realized (gain) loss on sale of securities available-for-sale	(743)	8,199	10,689
Net changes in:
Other assets	(6,729)	(16,792)	(8,262)
Other liabilities	15,500	13,814	12,910
Net cash provided by operating activities	103,735	93,348	101,778
Cash flows from investing activities:
Net increase in loans and leases held for investment	(24,344)	(156,433)	(275,061)
Purchase of available-for-sale securities	(389,349)	(84,114)	(10,217)
Purchase of held-to-maturity securities	(4,218)	(6,850)	(173,907)
Proceeds from sales, maturities, calls and pay downs of available-for-sale securities	99,908	59,557	88,504
Proceeds from maturities, calls and pay downs of held-to-maturity securities	52,675	49,063	65,493
Purchase of bank-owned life insurance	0	(7,271)	0
Purchase of premises and equipment	(2,399)	(4,972)	(4,190)
Purchase of other investments	(16,050)	(7,306)	(6,600)
Redemption of other investments	5,917	0	0
Proceeds from bank-owned life insurance	3,280	11,751	606
Proceeds from sale of assets	0	27	73
Net cash used in investing activities	(274,580)	(146,548)	(315,299)
Cash flows from financing activities:
Net increase (decrease) in deposits	31,044	(91,174)	119,117
Cash dividends paid	(13,017)	(12,886)	(12,489)
Net cash used in share repurchase of common stock	(45,261)	(20,355)	(20,310)
Net used in financing activities	(27,234)	(124,415)	86,318
Net change in cash and cash equivalents	(198,079)	(177,615)	(127,203)
Cash and cash equivalents, beginning of year	410,642	588,257	715,460
Cash and cash equivalents, end of year	212,563	410,642	588,257
Supplemental disclosures of cash flow information:
Cash paid for interest	65,085	29,280	5,785
Income taxes paid	8,391	12,662	12,469
Supplemental disclosures of non-cash transactions:
Net change in unrealized gains/(losses) on securities available-for-sale	$ 9,716	$ (13,445)	$ 28,326