Fair Value Measurements (Schedule of Quantitative Information about Level Three Fair Value Measurements - Nonrecurring Basis) (Details)	12 Months Ended
	Dec. 31, 2021 USD ($)
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Fair Value, Discounted Cash Flow, Valuation Techniques	Discounted cash flow
Mortgage Servicing Rights [Member]
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Unobservable Inputs, Loan Servicing Costs, Loans in Foreclosure	$ 1,000
Mortgage Servicing Rights [Member] | Minimum [Member]
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Unobservable Input, Discount Rate	9.02%
Unobservable Input, Prepayment Speed	10.05%	[1]
Unobservable Input, Loan Servicing Costs, Performing Loans	$ 70
Unobservable Input, Loan Servicing Costs, Delinquent Loans	$ 200
Mortgage Servicing Rights [Member] | Maximum [Member]
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Unobservable Input, Discount Rate	9.35%
Unobservable Input, Prepayment Speed	13.36%	[1]
Unobservable Input, Loan Servicing Costs, Performing Loans	$ 72
Unobservable Input, Loan Servicing Costs, Delinquent Loans	$ 750
Mortgage Servicing Rights [Member] | Weighted Average [Member]
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Unobservable Input, Discount Rate	9.13%	[1]
Unobservable Input, Prepayment Speed	11.32%	[1]
Unobservable Input, Loan Servicing Costs, Performing Loans	$ 71	[1]

[1] *Ranges and weighted averages based on interest rate tranches.