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Fair Value Measurements, Schedule of Assumptions for Fair Value as of Balance Sheet Date of Assets or Liabilities (Details) - Fair Value, Inputs, Level 3
12 Months Ended
Dec. 31, 2019
Discounted Cash Flow [Member] | Servicing Contracts [Member]  
Assumption for Fair Value as of Balance Sheet Date of Assets or Liabilities that relate to Transferor's Continuing Involvement [Line Items]  
Assumption for Fair Value of Assets or Liabilities that relate to Transferor's Continuing Involvement, Discount Rate 9.00%
Assumption for Fair Value of Assets or Liabilities that relate to Transferor's Continuing Involvement, Prepayment Speed 12.00%
Appraisals/Discounted Cash Flow [Member] | Impaired Finance Receivable [Member]  
Assumption for Fair Value as of Balance Sheet Date of Assets or Liabilities that relate to Transferor's Continuing Involvement [Line Items]  
Assumption for Fair Value of Assets or Liabilities that relate to Transferor's Continuing Involvement, Discount Rate 44.00%