Summary of Significant Accounting Policies, Loans (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020
Loans [Abstract]
Minimum number of days past due for loans to be considered nonperforming	90 days
Period of sustained repayment performance for nonperforming TDRs to be returned to performing status	6 months
COVID-19 [Member]
Loans [Abstract]
Loans in modification programs related to COVID-19	$ 1.4	$ 110.8