Reverse Mortgages Portfolio Composition - Additional Information (Detail) - USD ($) $ in Millions |
Dec. 31, 2021 |
Dec. 31, 2020 |
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| Reverse Mortgages Portfolio Composition [Abstract] | ||
| Mortgage Loans in Process of Foreclosure, Amount | $ 599.1 | $ 163.2 |
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- Definition Reverse Mortgages Portfolio Composition . No definition available.
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- Definition Recorded investment of consumer mortgage loan receivables secured by residential real estate properties for which formal foreclosure proceedings are in process. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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