FAIR VALUE - Estimated fair values of the Company's financial instruments (Details) - USD ($) $ in Thousands	Mar. 31, 2024	Dec. 31, 2023	Mar. 31, 2023
Financial assets: Carrying Amount
Cash and due from banks	$ 9,091	$ 1,940
Interest-bearing deposits in other financial institutions	33,305	12,189
Federal funds sold	232	1,112
Investment securities available for sale	128,727	139,427
Investments in restricted stock	246	1,217
Ground rents	127	130
Loans, less allowance for credit losses	175,915	174,150	$ 174,150
Loans, less allowance for credit losses, fair value	164,874	161,802
Accrued interest receivable	1,281	1,192
Cash value of life insurance	8,700	8,657
Financial liabilities: Carrying Amount
Deposits	309,231	300,067
Short-term borrowings	40,000	30,000
Accrued interest payable	586	366
Unrecognized financial instruments: Carrying Amount
Commitments to extend credit	34,569	33,162
Standby letters of credit	45	45
Financial Assets: Fair Value
Cash and due from banks	9,091	1,940
Interest-bearing deposits in other financial institutions	33,305	12,189
Federal funds sold	232	1,112
Investment securities available for sale	128,727	139,427
Ground rents	127	130
Loans, less allowance for credit losses, fair value	164,874	161,802
Accrued interest receivable	1,281	1,192
Cash value of life insurance	8,700	8,657
Financial liabilities: Fair Value
Deposits	246,601	252,707
Short-term borrowings	40,000
Accrued interest payable	586	366
Unrecognized financial instruments: Fair Value
Commitments to extend credit	34,569	33,162
Standby letters of credit	$ 45	$ 45