Fair Values of Financial Instruments (Details) - USD ($) $ in Thousands	Dec. 31, 2021	Dec. 31, 2020
Financial assets - Carrying Amount
Cash and due from banks	$ 2,111	$ 2,117
Interest-bearing deposits in other financial institutions	56,434	29,730
Federal funds sold	3,636	5,246
Investment securities available for sale	155,927	114,049
Investments in restricted stock	1,062	1,199
Ground rents	131	140
Loans, less allowance for credit losses	207,922	252,296
Accrued interest receivable	1,085	1,302
Cash value of life insurance	8,338	8,181
Financial liabilities - Carrying Amount
Deposits	383,247	349,620
Long-term borrowings	10,000
Short-term borrowings	10,000	29,912
Accrued interest payable	11	16
Unrecognized financial instruments:
Commitments to extend credit	28,167	31,561
Standby letters of credit	55	1,044
Financial assets - Fair Value
Cash and due from banks	2,111	2,117
Interest-bearing deposits in other financial institutions	56,434	29,730
Federal funds sold	3,636	5,246
Investment securities available for sale, at fair value	155,927	114,049
Investments in restricted stock	1,062	1,199
Ground rents	131	140
Loans, less allowance for credit losses	211,541	253,946
Accrued interest receivable	1,085	1,302
Cash value of life insurance	8,338	8,181
Financial liabilities - Fair Value
Deposits	383,910	350,666
Long-term borrowings	9,888
Short-term borrowings	10,000	29,935
Accrued interest payable	11	16
Unrecognized financial instruments:
Commitments to extend credit	28,167	31,561
Standby letters of credit	$ 55	$ 1,044