INVESTMENT SECURITIES - Summary of Investments (Details) - USD ($) $ in Thousands	Mar. 31, 2022	Dec. 31, 2021
Available for sale:
Amortized cost	$ 12,064	$ 13,021
Gross unrealized gains	38	372
Gross unrealized losses	292	42
Fair value	11,810	13,351
Held to maturity:
Amortized cost	9,897	9,918
Gross unrealized gains	112	241
Gross unrealized losses	951	134
Fair value	9,058	10,025
Less Than 12 Months, Fair Value	7,648	2,468
Total, Fair Value	7,648	2,468
Total, Unrealized Losses	951	134
Less Than 12 Months, Unrealized Losses	951	134
12 Months or Greater, Fair value	0	0
12 Months or Greater, Unrealized Losses	0	0
Corporate debt obligations
Available for sale:
Amortized cost	500	500
Gross unrealized gains	0	0
Gross unrealized losses	0	0
Fair value	500	500
Residential mortgage-backed securities
Available for sale:
Amortized cost	11,558	12,513
Gross unrealized gains	38	372
Gross unrealized losses	292	42
Fair value	11,304	12,843
Held to maturity:
Amortized cost	6,121	6,157
Gross unrealized gains	0	0
Gross unrealized losses	527	118
Fair value	5,594	6,039
Less Than 12 Months, Fair Value	5,594	6
Total, Fair Value	5,594	6
Total, Unrealized Losses	527	118
Less Than 12 Months, Unrealized Losses	527	118
12 Months or Greater, Fair value	0	0
12 Months or Greater, Unrealized Losses	0	0
Collateralized mortgage obligations
Available for sale:
Amortized cost	6	8
Gross unrealized gains	0	0
Gross unrealized losses	0	0
Fair value	6	8
States and political subdivisions
Held to maturity:
Amortized cost	3,776	3,761
Gross unrealized gains	112	241
Gross unrealized losses	424	16
Fair value	3,464	3,986
Less Than 12 Months, Fair Value	2,054	2,462
Total, Fair Value	2,054	2,462
Total, Unrealized Losses	424	16
Less Than 12 Months, Unrealized Losses	424	16
12 Months or Greater, Fair value	0	0
12 Months or Greater, Unrealized Losses	$ 0	$ 0