INVESTMENT SECURITIES - Amortized Cost and Estimated Fair Value of Available-for-Sale Securities by Contractual Maturity (Details) - USD ($) $ in Thousands	Sep. 30, 2025	Dec. 31, 2024
Available-for-sale: Amortized Cost
Due in one year or less	$ 2,059	$ 2,002
Due after one through five years	18,242	37,763
Due after five years through ten years	88,868	84,002
Due after ten years	89,462	87,746
Total	198,631	211,513
Available-for-sale: Fair Value
Due in one year or less	2,058	1,993
Due after one through five years	16,809	33,467
Due after five years through ten years	81,798	74,018
Due after ten years	87,109	83,850
Total	$ 187,774	$ 193,328