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INCOME TAX - Reconciliation of Federal Statutory to Actual Tax Expense (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2024	Dec. 31, 2023	Dec. 31, 2022
Reconciliation of Federal Statutory to Actual Tax Expense:
Federal Statutory Income Tax at 21%	$ 48,663	$ 54,439	$ 53,692
Tax-exempt Interest Income	(17,509)	(18,193)	(19,349)
Non-deductible FDIC Premiums	624	454	427
Earnings on Life Insurance	(1,777)	(1,753)	(2,344)
Tax Credits	(2,018)	(331)	(414)
State Tax	631	1,171	2,494
Other	1,712	(341)	(921)
Income Tax Expense	$ 30,326	$ 35,446	$ 33,585
Effective Tax Rate	13.10%	13.70%	13.10%

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