Quarterly report pursuant to Section 13 or 15(d)

Fair Value - Summary Of The Estimated Change In The Fair Value Of The Nonrecourse MSR Financing Liability, At Fair Value From Adverse Changes In The Significant Assumptions (Detail)

v3.21.2
Fair Value - Summary Of The Estimated Change In The Fair Value Of The Nonrecourse MSR Financing Liability, At Fair Value From Adverse Changes In The Significant Assumptions (Detail) - Mortgage Servicing Rights Financing Liability [Member]
$ in Thousands
Jun. 30, 2021
USD ($)
Impact on fair value of 10% adverse change  
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 Prepayment Speed $ (1,231)
Discount Rate (2,112)
Weighted Average Delinquency Rate (23)
Impact on fair value of 20% adverse change  
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 Prepayment Speed (2,889)
Discount Rate (4,552)
Weighted Average Delinquency Rate $ (58)