INVESTMENT SECURITIES - Contractual maturities, Available for sale (Details) $ in Thousands	Sep. 30, 2023 USD ($)
Available for Sale, Amortized Cost
Due in one year or less	$ 20,142
Due after one year through five years	81,068
Due after five years through ten years	41,340
Due after ten years	82,606
Total, Amortized Cost	225,156
Available for Sale, Estimated Fair Value
Due in one year or less	19,890
Due after one year through five years	74,443
Due after five years through ten years	34,329
Due after ten years	65,322
Total, Estimated Fair Value	$ 193,984