INVESTMENT SECURITIES, Contractual or Expected Maturity (Details) - USD ($) $ in Thousands	Mar. 31, 2024	Dec. 31, 2023
Maturity in years [Abstract]
Due in one year or less	$ 71,862
Due after one year through five years	126,902
Due after five years through ten years	29,358
Due after ten years	27,993
Subtotal	256,115
MBS & CMO	352,357
Amortized cost	608,472	$ 620,314
Maturity in years [Abstract]
Due in one year or less	70,762
Due after one year through five years	119,731
Due after five years through ten years	27,406
Due after ten years	25,586
Subtotal	243,485
Mortgage-backed securities and Collateralized mortgage obligations	314,956
Estimated fair value	$ 558,441	$ 572,357