Regulatory Matters - Reconciliation of capital (Details) - USD ($) $ in Thousands	3 Months Ended	12 Months Ended
	Mar. 31, 2022	Dec. 31, 2021
Regulatory Matters
Total Equity (Bank Only)	$ 19,421	$ 19,485
Unrealized Losses (Gains) On Securities Available-for-Sale, Net	85	(25)
Tangible, Tier 1 Capital and Common Equity Tier 1	19,506	19,460
Allowance for Loan Losses Included in Capital	646	638
Total Capital	$ 20,152	$ 20,098