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Fair Value of Financial Instruments (Reconciliation of Assets and Liabilities Using Significant Unobservable Inputs (Level 3)) (Details) - USD ($)
3 Months Ended 9 Months Ended
Sep. 30, 2020
Sep. 30, 2019
Sep. 30, 2020
Sep. 30, 2019
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward]        
Changes in fair value of servicing assets     $ 0 $ 0
Fair Value, Measurements, Recurring [Member] | Servicing Assets [Member]        
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward]        
Balance at beginning period $ 47,926,000 $ 10,134,000 50,779,000 10,716,000
New instruments acquired 656,000 352,000 1,236,000 860,000
Principal repayments (1,365,000) (243,000) (2,810,000) (694,000)
Changes in fair value of servicing assets 25,000 (118,000) (1,963,000) (757,000)
Balance at end of period $ 47,242,000 $ 10,125,000 $ 47,242,000 $ 10,125,000