SECURITIES - Schedule of Unrealized Loss Analysis on Held-to-Maturity Securities (Details) - State and municipal securities - USD ($) $ in Thousands	Sep. 30, 2025	Dec. 31, 2024
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	113,804	113,107
12 Months or more, unrealized losses	18,995	18,461
Total fair value	113,804	113,107
Unrealized losses	$ 18,995	$ 18,461