SECURITIES - Held-to-maturity Securities With Unrealized Losses (Details) - State and municipal securities - USD ($) $ in Thousands	Mar. 31, 2024	Dec. 31, 2023
Debt Securities, Available-for-sale [Line Items]
Less than 12 months, fair value	$ 0	$ 0
Less than 12 months, unrealized losses	0	0
12 months or more, fair value	115,467	119,215
12 Months or more, unrealized losses	14,868	10,703
Total fair value	115,467	119,215
Unrealized losses	$ 14,868	$ 10,703