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Regulatory Capital Requirements (Narrative) (Details)
3 Months Ended 12 Months Ended
Dec. 31, 2021
USD ($)
Dec. 31, 2021
USD ($)
Dec. 31, 2020
USD ($)
Regulatory Capital Requirements [Abstract]      
Capital conservation buffer, minimum ratios, as a percent   2.50%  
Due to affiliate, current $ 0 $ 0 $ 0
Common Equity Tier 1 required for capital adequacy purposes, ratio (as a percent)   7.00%  
Tier One Risk Based Capital Required for Capital Adequacy to Risk Weighted Assets 8.50 8.50  
Capital Required for Capital Adequacy to Risk Weighted Assets 10.50 10.50  
Tier One Leverage Capital Required for Capital Adequacy to Average Assets 4.00 4.00  
Common Equity Tier 1 required for well capitalized to risk weighted assets (as a percent)   6.50%  
Tier One Risk Based Capital Required to be Well Capitalized to Risk Weighted Assets 8.00 8.00  
Capital Required to be Well Capitalized to Risk Weighted Assets 10.00 10.00  
Tier One Leverage Capital Required to be Well Capitalized to Average Assets 5.00 5.00  
Payment of dividends     $ 0
Dividend issued $ 25,000,000.0