INVESTMENT SECURITIES, Contractual or Expected Maturity (Details) - USD ($) $ in Thousands	Jun. 30, 2020	Dec. 31, 2019
Maturity in years [Abstract]
Due in one year or less	$ 30,481
Due after one year through five years	51,794
Due after five years through ten years	9,964
Due after ten years	12,793
Subtotal	105,032
MBS & CMO	219,923
Amortized cost	324,955	$ 340,706
Maturity in years [Abstract]
Due in one year or less	30,670
Due after one year through five years	54,186
Due after five years through ten years	10,840
Due after ten years	13,775
Subtotal	109,471
MBS & CMO	226,527
Estimated fair value	$ 335,998	$ 342,897