Mortgage Servicing Rights, at Fair Value - Additional Information (Detail) - USD ($) $ in Millions |
3 Months Ended | 9 Months Ended | 12 Months Ended | |
|---|---|---|---|---|
Mar. 31, 2021 |
Dec. 31, 2021 |
Dec. 31, 2020 |
Dec. 31, 2019 |
|
| Contractually specified servicing fees, late fees, and other ancillary servicing revenue | $ 13.0 | $ 43.4 | $ 18.1 | $ 0.8 |
| FOA Mortgage Servicing Rights [Member] | Asset Pledged as Collateral with Right [Member] | ||||
| Mortgage servicing rights | $ 142.4 | |||
| X | ||||||||||
- Definition Amount of contractually specified servicing fee, late fee, and ancillary fee recognized as income for servicing asset and servicing liability. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
|
| X | ||||||||||
- Definition Fair value of an asset representing net future revenue from contractually specified servicing fees, late charges, and other ancillary revenues, in excess of future costs related to servicing arrangements. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
|
| X | ||||||||||
- Details
|
| X | ||||||||||
- Details
|