Regulatory Matters (Narrative) (Details) $ in Millions	Dec. 31, 2021 USD ($)
Compliance with Regulatory Capital Requirements under Banking Regulations [Line Items]
Total Risk Adjusted Capital	0.08
Tier I Common Equity	0.045
Tier 1 capital (to risk-weighted assets)	0.06
Leverage Ratio	0.04
Amount available for dividend payments without regulatory approval	$ 114.6
Maximum [Member]
Compliance with Regulatory Capital Requirements under Banking Regulations [Line Items]
Capital conversion buffer	0.0250