Regulatory Matters and Stockholders' Equity (Narrative) (Details) $ in Millions	12 Months Ended
	Dec. 31, 2021 USD ($)	Dec. 31, 2020
Regulatory Matters and Stockholders' Equity [Abstract]
Tier 1 capital (to risk weighted assets) For Capital Adequacy Purposes, Ratio	0.0600	0.0600
Common Equity Tier 1 capital (to risk-weighted assets) For Capital Adequacy Purposes, Ratio	0.0450	0.0450
Tier 1 capital (to average assets) For Capital Adequacy Purposes, Ratio	0.0400	0.0400
Statutory Accounting Practices, Statutory Amount Available for Dividend Payments without Regulatory Approval	$ 42.7
Risk weight assigned to exposures	150.00%
Capital conservation buffer	2.50%