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Fair Value Measurements and Disclosures (Schedule of Quantitative Information about Level Three Fair Value Measurements - Nonrecurring Basis) (Details)
 9 Months Ended
Sep. 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 9.51%
Prepayment speeds (CPR)* 6.25% [1]
Performing loans $ 70
Delinquent loans $ 200
Mortgage Servicing Rights | Maximum [Member]  
Fair Value Measurement Inputs and Valuation Techniques [Line Items]  
Discount rate 9.81%
Prepayment speeds (CPR)* 6.53% [1]
Performing loans $ 72
Delinquent loans $ 750
Mortgage Servicing Rights | Weighted Average [Member]  
Fair Value Measurement Inputs and Valuation Techniques [Line Items]  
Discount rate 9.61% [1]
Prepayment speeds (CPR)* 6.32% [1]
Performing loans $ 71 [1]
[1] *Ranges and weighted averages based on interest rate tranches