INVESTMENT SECURITIES - BY CONTRACTUAL MATURITY (Details) - USD ($) $ in Thousands	Mar. 31, 2020	Dec. 31, 2019
Amortized Cost
Due in one year or less	$ 15,383	$ 21,532
Due after one year through five years	38,919	40,063
Due after five years through ten years	11,898	10,019
Due after ten years	11,600	997
Subtotal	77,800	72,611
US Agencies - MBS	36,743	34,063
Total amortized cost	114,543	106,674
Estimated Fair Value
Due in one year or less	15,398	21,575
Due after one year through five years	39,653	40,664
Due after five years through ten years	11,281	10,189
Due after ten years	11,687	1,018
Subtotal	78,019	73,446
US Agencies - MBS	36,715	34,526
Estimated Fair Value	114,734	$ 107,972
Collateral Pledged
Estimated Fair Value
Investment securities at cost	25,327
Securities held as collateral at fair value	$ 25,884