Fair Values of Financial Instruments - Estimated fair values (Details) - USD ($) $ in Thousands	Mar. 31, 2022	Dec. 31, 2021
Carrying Value
Financial Assets:
Cash and Cash Equivalents	$ 3,755	$ 7,316
Interest-Bearing Deposits in Banks	7,486	7,742
Investment Securities	4,591	5,329
Loans - Net	76,782	75,943
Loans Held-for-Sale	1,203	401
Accrued Interest Receivable	394	421
FHLB Stock	1,450	1,448
Cash Surrender Value of Life Insurance	4,246	4,225
Financial Liabilities:
Deposits	59,905	60,963
Advances from FHLB	18,225	18,218
Accrued Interest Payable	37	51
Fair Value
Financial Assets:
Cash and Cash Equivalents	3,755	7,316
Interest-Bearing Deposits in Banks	7,486	7,742
Investment Securities	4,591	5,329
Loans - Net	71,331	77,483
Loans Held-for-Sale	1,203	401
Accrued Interest Receivable	394	421
FHLB Stock	1,450	1,448
Cash Surrender Value of Life Insurance	4,246	4,225
Financial Liabilities:
Deposits	57,751	60,756
Advances from FHLB	17,908	18,622
Accrued Interest Payable	$ 37	$ 51