INVESTMENT SECURITIES - Schedule of Held-to-Maturity Securities with Unrealized Losses (Details) - USD ($) $ in Thousands	Sep. 30, 2024	Dec. 31, 2023
Estimated Fair Value
Less Than 12 Months	$ 5,068	$ 13,612
12 Months or More	109,410	109,119
Total	114,478	122,731
Unrealized Losses
Less Than 12 Months	(59)	(227)
12 Months or More	(15,831)	(18,554)
Total	(15,890)	(18,781)
State, county and municipal securities
Estimated Fair Value
Less Than 12 Months	1,753	0
12 Months or More	26,988	26,854
Total	28,741	26,854
Unrealized Losses
Less Than 12 Months	(2)	0
12 Months or More	(4,905)	(5,051)
Total	(4,907)	(5,051)
Mortgage-backed securities
Estimated Fair Value
Less Than 12 Months	3,315	13,612
12 Months or More	82,422	82,265
Total	85,737	95,877
Unrealized Losses
Less Than 12 Months	(57)	(227)
12 Months or More	(10,926)	(13,503)
Total	$ (10,983)	$ (13,730)