INVESTMENT SECURITIES - Amortized Cost and Fair Value of Debt Securities (Details) - USD ($) $ in Thousands	Mar. 31, 2022	Dec. 31, 2021
Amortized Cost
Due within one year	$ 4
Due after one year through five years	752
Due after five years through ten years	6,512
Due after ten years	4,796
Amortized cost	12,064	$ 13,021
Fair Value
Due within one year	3
Due after one year through five years	742
Due after five years through ten years	6,359
Due after ten years	4,706
Total available for sale	11,810	13,351
Amortized Cost
Due within one year	0
Due after one year through five years	1,299
Due after five years through ten years	0
Due after ten years	8,598
Amortized cost	9,897	9,918
Fair Value
Due within one year	0
Due after one year through five years	1,410
Due after five years through ten years	0
Due after ten years	7,648
Total held to maturity	$ 9,058	$ 10,025