Annual report pursuant to Section 13 and 15(d)

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

v3.10.0.1
Schedule of Mortgage Servicing Rights Sensitivity Analysis of Fair Value (Details)
$ in Thousands
Dec. 31, 2018
USD ($)
Dec. 31, 2017
USD ($)
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 $ (67,245) $ (40,100)
Impact on fair value of 20% adverse change in prepayment speed (130,371) (77,483)
Impact on fair value of 10% adverse change in delinquency (6,911) (4,274)
Impact on fair value of 20% adverse change in delinquency (13,688) (8,875)
Impact on fair value of 10% adverse change in discount rate (62,528) (35,137)
Impact on fair value of 20% adverse change in discount rate $ (121,135) $ (68,246)
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 0.086 0.098
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 0.013 0.017
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 0.094 0.099