INVESTMENTS (Amortized Cost and Fair Values of HTM Securities by Contractual Maturity) (Details) - USD ($) $ in Thousands	Mar. 31, 2021	Dec. 31, 2020
Held-to-maturity, Amortized Cost
Due in one year or less	$ 0
Due after one year through five years	869
Due after five years through ten years	426
Due after ten years	0
Amortized Cost	1,295	$ 1,297
Held-to-maturity, Fair Value
Due in one year or less	0
Due after one year through five years	937
Due after five years through ten years	459
Due after ten years	0
Fair value, total	$ 1,396	$ 1,411