Parent Company Financial Statements - 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	$ 112,635	$ 83,811	$ 85,888
Adjustments to Reconcile Net Income to Net Cash from Operations
Net Amortization on Securities	(1,685)	2,161	5,566
Change in Other Assets	7,392	1,748	3,725
Change in Other Liabilities	2,278	(1,354)	(3,173)
Equity Based Compensation	2,874	2,947	2,332
Net Cash from Operating Activities	159,316	95,764	107,234
CASH FLOWS FROM INVESTING ACTIVITIES
Proceeds from Maturities, Calls and Redemptions of Securities Available-for-Sale	565,795	356,471	287,084
Net Cash from Investing Activities	(60,271)	(82,400)	27,255
CASH FLOWS FROM FINANCING ACTIVITIES
Repayments of Long-Term Debt	(64,478)	(50,157)	(132)
Dividends Paid	(43,278)	(31,845)	(29,433)
Net Cash from Financing Activities	(169,455)	60,098	(136,540)
Net Change in Cash and Cash Equivalents	(70,410)	73,462	(2,051)
Cash and Cash Equivalents at Beginning of Year	188,792	115,330	117,381
Cash and Cash Equivalents at End of Year	118,382	188,792	115,330
Parent Company
CASH FLOWS FROM OPERATING ACTIVITIES
NET INCOME	112,635	83,811	85,888
Adjustments to Reconcile Net Income to Net Cash from Operations
Net Amortization on Securities	8	8	0
Change in Other Assets	3,349	(989)	3,929
Change in Other Liabilities	(2,901)	1,065	(3,113)
Equity Based Compensation	1,899	2,947	2,332
Equity in Excess Undistributed Income of Subsidiaries	(31,234)	(25,880)	(41,287)
Net Cash from Operating Activities	83,756	60,962	47,749
CASH FLOWS FROM INVESTING ACTIVITIES
Proceeds from Maturities, Calls and Redemptions of Securities Available-for-Sale	257	329	0
Cash Used for Business Acquisitions	(16,839)	0	0
Net Equity in Dissolution of Subsidiary	0	0	1,978
Net Cash from Investing Activities	(16,582)	329	1,978
CASH FLOWS FROM FINANCING ACTIVITIES
Repayments of Long-Term Debt	(64,300)	0	0
Dividends Paid	(43,278)	(31,845)	(29,433)
Net Cash from Financing Activities	(107,578)	(31,845)	(29,433)
Net Change in Cash and Cash Equivalents	(40,404)	29,446	20,294
Cash and Cash Equivalents at Beginning of Year	96,281	66,835	46,541
Cash and Cash Equivalents at End of Year	$ 55,877	$ 96,281	$ 66,835