Fair Value of Financial Instruments (Qualitative Information for Assets and Liabilities) (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2020	Dec. 31, 2019	Dec. 31, 2018
Minimum [Member]
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]
Constant prepayment rate	5.02%	4.47%	4.30%
Maximum [Member]
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]
Constant prepayment rate	35.22%	18.81%	9.02%
Servicing Assets [Member] | Cash Flow Valuation Technique [Member] | Minimum [Member]
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]
Constant prepayment rate	5.02%
Discount rate	10.00%
Servicing Assets [Member] | Cash Flow Valuation Technique [Member] | Maximum [Member]
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]
Constant prepayment rate	35.22%
Discount rate	15.50%
Servicing Assets [Member] | Cash Flow Valuation Technique [Member] | Weighted Average [Member]
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]
Constant prepayment rate	6.87%
Discount rate	11.52%
Collateral dependant impaired loan | Fair value of property or collateral [Member] | Minimum [Member]
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]
Appraised Value	15.20%
Collateral dependant impaired loan | Fair value of property or collateral [Member] | Maximum [Member]
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]
Appraised Value	29.20%
Collateral dependant impaired loan | Fair value of property or collateral [Member] | Weighted Average [Member]
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]
Appraised Value	19.88%
Foreclosed real estate [Member] | Fair value of property or collateral [Member] | Minimum [Member]
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]
Appraised Value	14.20%
Foreclosed real estate [Member] | Fair value of property or collateral [Member] | Maximum [Member]
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]
Appraised Value	29.20%
Foreclosed real estate [Member] | Fair value of property or collateral [Member] | Weighted Average [Member]
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]
Appraised Value	18.68%
Other repossessed assets [Member] | Fair value of property or collateral [Member] | Minimum [Member]
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]
Estimated net realizable value	30.00%
Other repossessed assets [Member] | Fair value of property or collateral [Member] | Maximum [Member]
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]
Estimated net realizable value	62.00%
Other repossessed assets [Member] | Fair value of property or collateral [Member] | Weighted Average [Member]
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]
Estimated net realizable value	52.06%
Fair Value, Inputs, Level 3 [Member] | Servicing Assets [Member] | Cash Flow Valuation Technique [Member]
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]
Fair Value assets and liabilities measured on recurring basis	$ 47,295
Fair Value, Inputs, Level 3 [Member] | Collateral dependant impaired loan | Cash Flow Valuation Technique [Member]
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]
Fair Value assets and liabilities measured on recurring basis	29,279
Fair Value, Inputs, Level 3 [Member] | Foreclosed real estate [Member] | Cash Flow Valuation Technique [Member]
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]
Fair Value assets and liabilities measured on recurring basis	11,596
Fair Value, Inputs, Level 3 [Member] | Other repossessed assets [Member] | Cash Flow Valuation Technique [Member]
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]
Fair Value assets and liabilities measured on recurring basis	$ 1,816