FAIR VALUE - Estimated fair values of the Company's financial instruments (Details) - USD ($) $ in Thousands	Jun. 30, 2022	Dec. 31, 2021
Financial assets - Carrying Amount
Cash and due from banks	$ 2,140	$ 2,111
Interest-bearing deposits in other financial institutions	48,784	56,434
Federal funds sold	442	3,636
Investment securities available for sale, at fair value	157,823	155,927
Investments in restricted stock	1,071	1,062
Ground rents	131	131
Loans, less allowance for credit losses	198,460	207,922
Accrued interest receivable	1,145	1,085
Cash value of life insurance	8,414	8,338
Financial liabilities - Carrying Amount
Deposits	385,765	383,247
Long-term borrowings	10,000	10,000
Short-term borrowings	10,000	10,000
Accrued interest payable	33	11
Unrecognized financial instruments:
Commitments to extend credit	30,191	28,167
Standby letters of credit	45	55
Financial assets - Fair Value
Cash and due from banks	2,140	2,111
Interest-bearing deposits in other financial institutions	48,784	56,434
Federal funds sold	442	3,636
Investment securities available for sale, at fair value	157,823	155,927
Investments in restricted stock	1,071	1,062
Ground rents	131	131
Loans, less allowance for credit losses	194,236	211,541
Accrued interest receivable	1,145	1,085
Cash value of life insurance	8,414	8,338
Financial liabilities - Fair Value
Deposits	384,964	383,910
Long-term borrowings	9,993	9,888
Short-term borrowings	10,001	10,000
Accrued interest payable	33	11
Unrecognized financial instruments:
Commitments to extend credit	30,191	28,167
Standby letters of credit	$ 45	$ 55