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Schedule of Mortgage Servicing Rights Sensitivity Analysis of Fair Value (Details)

v3.19.3
Schedule of Mortgage Servicing Rights Sensitivity Analysis of Fair Value (Details)
$ in Thousands
Sep. 30, 2019
USD ($)
Dec. 31, 2018
USD ($)
Sensitivity Analysis of Fair Value of Interests Continued to be Held by Transferor, Servicing Assets or Liabilities, Impact of Adverse Change in Assumption [Line Items]    
Impact on fair value of 10% adverse change in prepayment speed $ (96,530) $ (67,245)
Impact on fair value of 20% adverse change in prepayment speed (182,573) (130,371)
Impact on fair value of 10% adverse change in delinquency (6,435) (6,911)
Impact on fair value of 20% adverse change in delinquency (12,898) (13,688)
Impact on fair value of 10% adverse change in discount rate (37,901) (62,528)
Impact on fair value of 20% adverse change in discount rate $ (74,275) $ (121,135)
Measurement Input, Constant Prepayment Rate [Member]    
Sensitivity Analysis of Fair Value of Interests Continued to be Held by Transferor, Servicing Assets or Liabilities, Impact of Adverse Change in Assumption [Line Items]    
Weighted average assumption 0.161 0.086
Measurement Input, Default Rate [Member]    
Sensitivity Analysis of Fair Value of Interests Continued to be Held by Transferor, Servicing Assets or Liabilities, Impact of Adverse Change in Assumption [Line Items]    
Weighted average assumption 0.008 0.013
Measurement Input, Discount Rate [Member]    
Sensitivity Analysis of Fair Value of Interests Continued to be Held by Transferor, Servicing Assets or Liabilities, Impact of Adverse Change in Assumption [Line Items]    
Weighted average assumption 0.070 0.094