LOANS RECEIVABLE AND ALLOWANCE FOR CREDIT LOSSES - Current, Past Due, and Non-Accrual Loans by Categories of loans and Restructured Loans (Details) - USD ($) $ in Thousands	Mar. 31, 2022	Dec. 31, 2021	Mar. 31, 2021	Dec. 31, 2020
Financing Receivable, Recorded Investment, Past Due [Line Items]
Current	$ 203,792	$ 209,684
Non-accrual	202	338	$ 4,442	$ 4,512
Total	204,252	210,392
Allowance for loan loss	2,380	2,470		1,476
Loans and Leases Receivable, Gross	204,252	210,392
Financing Receivable, Recorded Investment, Current	203,792	209,684
Financing Receivables 30 To 89 Days Past Due [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
30-89 Days Past Due	244	355
Financial Asset, Equal to or Greater than 90 Days Past Due [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
90 Days or More and Still Accruing	14	15
Real Estate Loan
Financing Receivable, Recorded Investment, Past Due [Line Items]
Current	135,342	136,567
Non-accrual	82	123
Total	135,469	136,705
Loans and Leases Receivable, Gross	135,469	136,705
Financing Receivable, Recorded Investment, Current	135,342	136,567
Real Estate Loan | Financing Receivables 30 To 89 Days Past Due [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
30-89 Days Past Due	31
Real Estate Loan | Financial Asset, Equal to or Greater than 90 Days Past Due [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
90 Days or More and Still Accruing	14	15
Commercial and Industrial
Financing Receivable, Recorded Investment, Past Due [Line Items]
Current	15,834	17,376
Non-accrual		71
Total	15,834	17,447
Loans and Leases Receivable, Gross	15,834	17,447
Financing Receivable, Recorded Investment, Current	15,834	17,376
Consumer Loans
Financing Receivable, Recorded Investment, Past Due [Line Items]
Current		55,741
Non-accrual		144
Total	52,949	56,240
Loans and Leases Receivable, Gross	52,949	56,240
Financing Receivable, Recorded Investment, Current		55,741
Consumer Loans | Financing Receivables 30 To 89 Days Past Due [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
30-89 Days Past Due		355
Construction And Land Development [Member] | Real Estate Loan
Financing Receivable, Recorded Investment, Past Due [Line Items]
Current	3,496	4,087
Total	3,496	4,087
Allowance for loan loss	9	5		9
Loans and Leases Receivable, Gross	3,496	4,087
Financing Receivable, Recorded Investment, Current	3,496	4,087
Farmland | Real Estate Loan
Financing Receivable, Recorded Investment, Past Due [Line Items]
Current	341	342
Total	341	342
Allowance for loan loss	23	11		2
Loans and Leases Receivable, Gross	341	342
Financing Receivable, Recorded Investment, Current	341	342
Single-family | Real Estate Loan
Financing Receivable, Recorded Investment, Past Due [Line Items]
Current	78,087	77,981
Non-accrual	82	123	137	270
Total	78,214	78,119
Allowance for loan loss	1,310	1,357		513
Loans and Leases Receivable, Gross	78,214	78,119
Financing Receivable, Recorded Investment, Current	78,087	77,981
Single-family | Real Estate Loan | Financing Receivables 30 To 89 Days Past Due [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
30-89 Days Past Due	31
Single-family | Real Estate Loan | Financial Asset, Equal to or Greater than 90 Days Past Due [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
90 Days or More and Still Accruing	14	15
Multi-family | Real Estate Loan
Financing Receivable, Recorded Investment, Past Due [Line Items]
Current	5,402	5,428
Total	5,402	5,428
Allowance for loan loss	105	105		39
Loans and Leases Receivable, Gross	5,402	5,428
Financing Receivable, Recorded Investment, Current	5,402	5,428
Commercial | Real Estate Loan
Financing Receivable, Recorded Investment, Past Due [Line Items]
Current	48,016	48,729
Non-accrual			4,166	4,029
Total	48,016	48,729
Allowance for loan loss	279	278		218
Loans and Leases Receivable, Gross	48,016	48,729
Financing Receivable, Recorded Investment, Current	48,016	48,729
Commercial | Consumer Loans
Financing Receivable, Recorded Investment, Past Due [Line Items]
Current	52,616
Non-accrual	120
Total	52,949
Loans and Leases Receivable, Gross	52,949
Financing Receivable, Recorded Investment, Current	52,616
Commercial | Consumer Loans | Financing Receivables 30 To 89 Days Past Due [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
30-89 Days Past Due	213
Commercial and industrial | Commercial and Industrial
Financing Receivable, Recorded Investment, Past Due [Line Items]
Current	9,027	10,003
Total	9,027	10,003
Allowance for loan loss	97	115		67
Loans and Leases Receivable, Gross	9,027	10,003
Financing Receivable, Recorded Investment, Current	9,027	10,003
SBA Guaranty | Commercial and Industrial
Financing Receivable, Recorded Investment, Past Due [Line Items]
Current	6,322	6,326
Non-accrual		71
Total	6,322	6,397
Allowance for loan loss	26	30		48
Loans and Leases Receivable, Gross	6,322	6,397
Financing Receivable, Recorded Investment, Current	6,322	6,326
Comm SBA PPP | Commercial and Industrial
Financing Receivable, Recorded Investment, Past Due [Line Items]
Current	485	1,047
Total	485	1,047
Loans and Leases Receivable, Gross	485	1,047
Financing Receivable, Recorded Investment, Current	485	1,047
Consumer and Indirect | Consumer Loans
Financing Receivable, Recorded Investment, Past Due [Line Items]
Current	1,987	2,086
Non-accrual				34
Total	1,998	2,090
Allowance for loan loss	35	36		11
Loans and Leases Receivable, Gross	1,998	2,090
Financing Receivable, Recorded Investment, Current	1,987	2,086
Consumer and Indirect | Consumer Loans | Financing Receivables 30 To 89 Days Past Due [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
30-89 Days Past Due	11	4
Automobile | Consumer Loans
Financing Receivable, Recorded Investment, Past Due [Line Items]
Current	50,629	53,655
Non-accrual	120	144	$ 139	179
Total	50,951	54,150
Allowance for loan loss	496	533		$ 569
Loans and Leases Receivable, Gross	50,951	54,150
Financing Receivable, Recorded Investment, Current	50,629	53,655
Automobile | Consumer Loans | Financing Receivables 30 To 89 Days Past Due [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
30-89 Days Past Due	$ 202	$ 351