INVESTMENT SECURITIES, CONTINUOUS UNREALIZED LOSS POSITION (Details) - USD ($) $ in Thousands	Dec. 31, 2020	Dec. 31, 2019
Available-for-Sale:
Less Than 12 Months, Fair Value	$ 14,744	$ 21,839
Less Than 12 Months, Unrealized Losses	58	58
12 Months or More, Fair Value	0	32,879
12 Months or More, Unrealized Losses	0	268
Held-to-Maturity:
Less Than 12 Months, Fair Value	3,114	54
Less Than 12 Months, Unrealized Losses	37	0
12 Months or More, Fair Value	0	2,660
12 Months or More, Unrealized Losses	0	5
U.S. Agency notes
Available-for-Sale:
Less Than 12 Months, Fair Value	10,674	3,586
Less Than 12 Months, Unrealized Losses	33	11
12 Months or More, Fair Value	0	11,939
12 Months or More, Unrealized Losses	0	23
U.S. Agency mortgage-backed securities
Available-for-Sale:
Less Than 12 Months, Fair Value	290	10,555
Less Than 12 Months, Unrealized Losses	1	10
12 Months or More, Fair Value	0	19,233
12 Months or More, Unrealized Losses	0	233
Non-taxable Municipal Securities
Available-for-Sale:
Less Than 12 Months, Fair Value	38	2,631
Less Than 12 Months, Unrealized Losses	0	2
12 Months or More, Fair Value	0	1,257
12 Months or More, Unrealized Losses	0	12
Held-to-Maturity:
Less Than 12 Months, Fair Value	1	54
Less Than 12 Months, Unrealized Losses	0	0
12 Months or More, Fair Value	0	2,660
12 Months or More, Unrealized Losses	0	5
Taxable Municipal Securities
Available-for-Sale:
Less Than 12 Months, Fair Value	3,063	5,067
Less Than 12 Months, Unrealized Losses	3	35
12 Months or More, Fair Value	0	450
12 Months or More, Unrealized Losses	0	0
Held-to-Maturity:
Less Than 12 Months, Fair Value	3,113	0
Less Than 12 Months, Unrealized Losses	37	0
12 Months or More, Fair Value	0	0
12 Months or More, Unrealized Losses	0	$ 0
Corporate Bond Securities
Available-for-Sale:
Less Than 12 Months, Fair Value	679
Less Than 12 Months, Unrealized Losses	21
12 Months or More, Fair Value	0
12 Months or More, Unrealized Losses	$ 0