Mortgage Servicing Rights - Summary of Impact of Adverse Changes on Prepayment Speeds, Discount Rate and Cost to Service at Two Different Data Points (Details) - USD ($) $ in Thousands |
Mar. 31, 2021 |
Dec. 31, 2020 |
|---|---|---|
| Transfers and Servicing [Abstract] | ||
| Mortgage servicing rights, Prepayment Speeds, 10% Adverse Change | $ (38,692) | $ (36,117) |
| Mortgage servicing rights, Prepayment Speeds, 20% Adverse Change | (71,688) | (66,419) |
| Mortgage servicing rights, Discount Rates 10%, Adverse Change | (25,906) | (18,638) |
| Mortgage servicing rights, Discount Rates 20%, Adverse Change | (45,594) | (32,312) |
| Mortgage servicing rights, Cost to Service (per loan) 10%, Adverse Change | (12,565) | (10,334) |
| Mortgage servicing rights, Cost to Service (per loan) 20%, Adverse Change | $ (20,447) | $ (16,700) |
| X | ||||||||||
- 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
|
| X | ||||||||||
- Definition The hypothetical financial impact of a 10 percent adverse change of the specified assumption 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
|
| X | ||||||||||
- 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
|
| X | ||||||||||
- Definition The hypothetical financial impact of a 20 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
|
| X | ||||||||||
- Definition The hypothetical financial impact of a 20 percent adverse change of the specified assumption 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
|
| X | ||||||||||
- Definition The hypothetical financial impact of a 20 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
|
| X | ||||||||||
- References No definition available.
|