INVESTMENT SECURITIES, Contractual or Expected Maturity (Details) - USD ($) $ in Thousands	Sep. 30, 2024	Dec. 31, 2023
Maturity in years [Abstract]
Due in one year or less	$ 55,374
Due after one year through five years	142,743
Due after five years through ten years	37,078
Due after ten years	44,752
Subtotal	279,947
Mortgage-backed securities & Collateralized mortgage obligations	385,166
Amortized cost	665,113	$ 620,314
Maturity in years [Abstract]
Due in one year or less	54,782
Due after one year through five years	139,442
Due after five years through ten years	36,123
Due after ten years	42,754
Subtotal	273,101
Mortgage-backed securities & Collateralized mortgage obligations	359,303
Estimated fair value	$ 632,404	$ 572,357