INVESTMENT SECURITIES - Schedule of Held-to-Maturity Securities with Unrealized Losses (Details) - USD ($) $ in Thousands	Mar. 31, 2024	Dec. 31, 2023
Estimated Fair Value
Less Than 12 Months	$ 8,735	$ 13,612
12 Months or More	111,955	109,119
Total	120,690	122,731
Unrealized Losses
Less Than 12 Months	(272)	(227)
12 Months or More	(20,200)	(18,554)
Total	(20,472)	(18,781)
State, county and municipal securities
Estimated Fair Value
Less Than 12 Months	453	0
12 Months or More	26,217	26,854
Total	26,670	26,854
Unrealized Losses
Less Than 12 Months	(6)	0
12 Months or More	(5,687)	(5,051)
Total	(5,693)	(5,051)
Mortgage-backed securities
Estimated Fair Value
Less Than 12 Months	8,282	13,612
12 Months or More	85,738	82,265
Total	94,020	95,877
Unrealized Losses
Less Than 12 Months	(266)	(227)
12 Months or More	(14,513)	(13,503)
Total	$ (14,779)	$ (13,730)