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Financial Instruments With Off-Balance Sheet Risk and Credit Risk (Narrative) (Details) - USD ($)
$ in Millions
12 Months Ended
Dec. 31, 2021
Dec. 31, 2020
Risks and Uncertainties [Abstract]    
Commitment letters $ 18.7 $ 4.0
Commitment letters expiration period 120 days  
Deposits in other financial institutions in excess of amounts insured by the FDIC $ 35.5