LOANS RECEIVABLE AND ALLOWANCE FOR CREDIT LOSSES - Loans - Current, Past Due, and Non-Accrual Loans by Categories of loans and Restructured Loans (Details) - USD ($) $ in Thousands	Mar. 31, 2023	Dec. 31, 2022	Mar. 31, 2022	Dec. 31, 2021
Loans and Allowance for Credit Losses - Loans
Non-accrual	$ 468	$ 488	$ 202	$ 338
Allowance for loan loss	2,200	2,200
Total	184,141	186,440
Current
Loans and Allowance for Credit Losses - Loans
Total	183,308	185,431
30 To 89 Days Past Due
Loans and Allowance for Credit Losses - Loans
Total	354	511
90 Days or More and Still Accuring
Loans and Allowance for Credit Losses - Loans
Total	10	10
Real Estate Loan
Loans and Allowance for Credit Losses - Loans
Non-accrual	100	104
Total	134,631	133,323
Real Estate Loan | Current
Loans and Allowance for Credit Losses - Loans
Total	134,409	133,024
Real Estate Loan | 30 To 89 Days Past Due
Loans and Allowance for Credit Losses - Loans
Total	111	185
Real Estate Loan | 90 Days or More and Still Accuring
Loans and Allowance for Credit Losses - Loans
Total	10	10
Commercial and Industrial
Loans and Allowance for Credit Losses - Loans
Non-accrual	296	299
Total	16,412	15,148
Commercial and Industrial | Current
Loans and Allowance for Credit Losses - Loans
Total	16,112	14,849
Consumer Loans
Loans and Allowance for Credit Losses - Loans
Non-accrual	72	85
Total	33,098	37,969
Consumer Loans | Current
Loans and Allowance for Credit Losses - Loans
Total	32,787	37,558
Consumer Loans | 30 To 89 Days Past Due
Loans and Allowance for Credit Losses - Loans
Total	243	326
Construction and Land | Real Estate Loan
Loans and Allowance for Credit Losses - Loans
Total	4,320	4,499
Construction and Land | Real Estate Loan | Current
Loans and Allowance for Credit Losses - Loans
Total	4,320	4,499
Farmland | Real Estate Loan
Loans and Allowance for Credit Losses - Loans
Total	331	333
Farmland | Real Estate Loan | Current
Loans and Allowance for Credit Losses - Loans
Total	331	333
Single-family Residential | Real Estate Loan
Loans and Allowance for Credit Losses - Loans
Non-accrual	100	104	82	123
Total	81,506	80,251
Single-family Residential | Real Estate Loan | Current
Loans and Allowance for Credit Losses - Loans
Total	81,284	79,952
Single-family Residential | Real Estate Loan | 30 To 89 Days Past Due
Loans and Allowance for Credit Losses - Loans
Total	111	185
Single-family Residential | Real Estate Loan | 90 Days or More and Still Accuring
Loans and Allowance for Credit Losses - Loans
Total	10	10
Multi-family | Real Estate Loan
Loans and Allowance for Credit Losses - Loans
Total	5,269	5,304
Multi-family | Real Estate Loan | Current
Loans and Allowance for Credit Losses - Loans
Total	5,269	5,304
Commercial | Real Estate Loan
Loans and Allowance for Credit Losses - Loans
Total	43,205	42,936
Commercial | Real Estate Loan | Current
Loans and Allowance for Credit Losses - Loans
Total	43,205	42,936
Commercial and Industrial | Commercial and Industrial
Loans and Allowance for Credit Losses - Loans
Non-accrual	296	299
Total	10,336	8,990
Commercial and Industrial | Commercial and Industrial | Current
Loans and Allowance for Credit Losses - Loans
Total	10,036	8,691
SBA Guaranty | Commercial and Industrial
Loans and Allowance for Credit Losses - Loans
Non-accrual				71
Total	6,076	6,158
SBA Guaranty | Commercial and Industrial | Current
Loans and Allowance for Credit Losses - Loans
Total	6,076	6,158
Consumer | Consumer Loans
Loans and Allowance for Credit Losses - Loans
Total	1,577	1,521
Consumer | Consumer Loans | Current
Loans and Allowance for Credit Losses - Loans
Total	1,529	1,521
Consumer | Consumer Loans | 30 To 89 Days Past Due
Loans and Allowance for Credit Losses - Loans
Total	48
Automobile | Consumer Loans
Loans and Allowance for Credit Losses - Loans
Non-accrual	72	85	$ 120	$ 144
Total	31,521	36,448
Automobile | Consumer Loans | Current
Loans and Allowance for Credit Losses - Loans
Total	31,258	36,037
Automobile | Consumer Loans | 30 To 89 Days Past Due
Loans and Allowance for Credit Losses - Loans
Total	$ 195	$ 326