PARENT COMPANY AND REGULATORY RESTRICTIONS (Condensed Statements of Cash Flows) (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2025	Dec. 31, 2024	Dec. 31, 2023
Cash flows from operating activities
Net income	$ 77,480	$ 53,412	$ 58,669
Adjustments to reconcile net income to net cash provided by operating activities:
Deferred income tax expense (benefit)	(15,491)	8,771	11,211
Share-based compensation	2,254	2,072	1,636
Net Cash Provided by (Used in) Investing Activities [Abstract]
Distributions from unconsolidated entities	0	0	495
Contributions to unconsolidated entities	(9,876)	(18,822)	(1,645)
Cash flows from financing activities:
Repayments of long-term debt	(80,000)	0	0
Repurchases of common stock and other related costs	(23,336)	(945)	(2,632)
Cash dividends paid on common stock	(29,356)	(28,143)	(28,117)
Cash and cash equivalents at beginning of year	380,941	522,437	112,044
Cash and cash equivalents at end of year	378,653	380,941	522,437
Parent Company
Cash flows from operating activities
Net income	77,480	53,412	58,669
Adjustments to reconcile net income to net cash provided by operating activities:
Deferred income tax expense (benefit)	372	155	32
Equity in undistributed income of subsidiary bank	8,884	(27,666)	(23,396)
Share-based compensation	2,254	2,072	1,636
Net change in other assets and liabilities	595	1,897	(1,543)
Net cash provided by operating activities	89,585	29,870	35,398
Net Cash Provided by (Used in) Investing Activities [Abstract]
Distributions from unconsolidated entities	864	0	495
Contributions to unconsolidated entities	(250)	180	0
Net cash provided by investing activities	614	180	495
Cash flows from financing activities:
Repayments of long-term debt	(55,000)	0	0
Repurchases of common stock and other related costs	(23,336)	(945)	(2,632)
Cash dividends paid on common stock	(29,356)	(28,143)	(28,117)
Net cash used in financing activities	(107,692)	(29,088)	(30,749)
Net increase (decrease) in cash and cash equivalents	(17,493)	962	5,144
Cash and cash equivalents at beginning of year	23,021	22,059	16,915
Cash and cash equivalents at end of year	$ 5,528	$ 23,021	$ 22,059