Fair Value Measurements and Disclosures (Schedule of Quantitative Information about Level Three Fair Value Measurements - Nonrecurring Basis) (Details)	6 Months Ended
	Jun. 30, 2022 USD ($)
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Valuation Technique, Discounted cash flow	Discounted cash flow
Mortgage Servicing Rights
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Loans in foreclosure	$ 1,000
Mortgage Servicing Rights | Minimum [Member]
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Discount rate	9.01%
Prepayment speeds (CPR)*	6.42%
Performing loans	$ 70
Delinquent loans	$ 200
Mortgage Servicing Rights | Maximum [Member]
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Discount rate	9.31%
Prepayment speeds (CPR)*	8.17%
Performing loans	$ 72
Delinquent loans	$ 750
Mortgage Servicing Rights | Weighted Average [Member]
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Discount rate	9.11%	[1]
Prepayment speeds (CPR)*	6.66%	[1]
Performing loans	$ 71	[1]

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