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 |
Sep. 30, 2021
USD ($)
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| 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 | $ (2,249) |
| Discount Rate | (3,329) |
| Weighted Average Delinquency Rate | (93) |
| 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 | (5,023) |
| Discount Rate | (7,062) |
| Weighted Average Delinquency Rate | $ (152) |
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- Definition The hypothetical financial impact of a 10 percent adverse change of the discount rate on the fair value of transferor's interests in transferred financial assets (including any servicing assets or servicing liabilities) as of the balance sheet date. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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- Definition The hypothetical financial impact of a 10 percent adverse change of the expected credit losses, including expected static pool losses, on the fair value of transferor's interests in transferred financial assets (including any servicing assets or servicing liabilities) as of the balance sheet date. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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- Definition The hypothetical financial impact of a 10 percent adverse change of prepayment speed on the fair value of transferor's interests in transferred financial assets (including any servicing assets or servicing liabilities) as of the balance sheet date. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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- Definition Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. No definition available.
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