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Commitments and Contingencies (Narrative) (Details) - USD ($)
$ in Millions
Dec. 31, 2021
Dec. 31, 2020
Commitments and Contingencies Disclosure [Abstract]    
Allowance for credit losses for off-balance sheet $ 1.0 $ 1.1
Other non-credit commitments 8.9 9.0
Contingency loss accrued liability $ 7.0 $ 8.1