INCOME TAXES - Computation of Differences Between Financial Statement Tax Expense And Amounts (Details) - USD ($) $ in Thousands	3 Months Ended								12 Months Ended
	Dec. 31, 2023	Sep. 30, 2023	Jun. 30, 2023	Mar. 31, 2023	Dec. 31, 2022	Sep. 30, 2022	Jun. 30, 2022	Mar. 31, 2022	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021
Income Tax Disclosure [Abstract]
Income taxes at statutory federal rate of 21%									$ 23,170	$ 26,284	$ 24,663
Increase (decrease) in taxes resulting from:
Tax exempt income									(4,226)	(4,438)	(2,822)
Nondeductible expense									269	159	116
State income tax, net of federal tax effect									(716)	671	1,288
Captive insurance premium income									(261)	(417)	(303)
Tax credits									(713)	(586)	(578)
Bank owned life insurance									(658)	(78)	(596)
Long-term incentive plan and deferred compensation									(715)	(530)	(274)
Nondeductible compensation expense									784	181	156
Other									(368)	101	61
Total income tax expense	$ 6,436	$ 4,479	$ 1,880	$ 3,771	$ 4,987	$ 6,237	$ 5,584	$ 4,539	$ 16,566	$ 21,347	$ 21,711