INVESTMENT SECURITIES, Contractual and Expected Maturity (Details) - USD ($) $ in Thousands	Jun. 30, 2019	Dec. 31, 2018
Maturity in years [Abstract]
Due in one year or less	$ 43,519
Due after one year through five years	45,639
Due after five years through ten years	12,891
Due after ten years	6,965
Subtotal	109,014
MBS & CMO	200,671
Amortized cost	309,685	$ 320,062
Maturity in years [Abstract]
Due in one year or less	43,519
Due after one year through five years	46,488
Due after five years through ten years	13,370
Due after ten years	7,205
Subtotal	110,582
MBS & CMO	200,416
Estimated fair value	$ 310,998	$ 314,637