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Fair Value Measurements (Additional Quantitative Information about Assets Measured at Fair Value on a Recurring and Non-Recurring Basis) (Details)
$ in Thousands
 9 Months Ended
Sep. 30, 2021
USD ($)
Collateral Dependent Loans [Member]  
Fair Value Inputs, Assets, Quantitative Information [Line Items]  
Assets at fair value $ 54,554
Collateral Dependent Loans [Member] | Weighted Average [Member] | Appraisal of Collateral [Member] | Appraisal Adjustments [Member]  
Fair Value Inputs, Assets, Quantitative Information [Line Items]  
Unobservable Input Value or Range 27.20% [1],[2],[3]
Collateral Dependent Loans [Member] | Minimum [Member] | Appraisal of Collateral [Member] | Appraisal Adjustments [Member]  
Fair Value Inputs, Assets, Quantitative Information [Line Items]  
Unobservable Input Value or Range 0.00%
Collateral Dependent Loans [Member] | Maximum [Member] | Appraisal of Collateral [Member] | Appraisal Adjustments [Member]  
Fair Value Inputs, Assets, Quantitative Information [Line Items]  
Unobservable Input Value or Range 35.00%
Loan Servicing Rights [Member]  
Fair Value Inputs, Assets, Quantitative Information [Line Items]  
Assets at fair value $ 1,484
Loan Servicing Rights [Member] | Weighted Average [Member] | Discounted Cash Flow [Member] | Discount Rate [Member]  
Fair Value Inputs, Assets, Quantitative Information [Line Items]  
Unobservable Input Value or Range 10.30% [3]
Loan Servicing Rights [Member] | Weighted Average [Member] | Discounted Cash Flow [Member] | Constant Prepayment Rate [Member]  
Fair Value Inputs, Assets, Quantitative Information [Line Items]  
Unobservable Input Value or Range 14.50% [3]
[1] Appraisals may be adjusted by management for qualitative factors such as economic conditions and estimated liquidation expenses.
[2] Fair value is generally determined through independent appraisals of the underlying collateral, which generally include various Level 3 inputs which are not identifiable.
[3] Weighted averages.