Mortgage Loans Held for Sale - Additional Information (Details) - USD ($) $ in Thousands |
Sep. 30, 2021 |
Dec. 31, 2020 |
Sep. 30, 2020 |
Dec. 31, 2019 |
|---|---|---|---|---|
| Mortgage Loans Held For Sale [Abstract] | ||||
| Mortgage loans held for sale including unpaid principal balances of underlying loans | $ 2,110,692 | $ 2,293,895 | ||
| Mortgage loans held for sale | $ 2,139,346 | $ 2,368,777 | $ 2,239,150 | $ 1,504,842 |
| X | ||||||||||
- Definition Mortgage loans held for sale abstract. No definition available.
|
| X | ||||||||||
- Definition Mortgage loans held for sale, principal amount due upon maturity. No definition available.
|
| X | ||||||||||
- Definition Fair value portion of mortgage loans held-for-sale. No definition available.
|