Fair Value Measurements Notional Amount of Financial Instruments (Details) - USD ($) $ in Thousands |
Sep. 30, 2022 |
Dec. 31, 2021 |
|---|---|---|
| Notional Disclosures [Abstract] | ||
| Whole loan contracts and related committed IRLCs | $ 4,169 | $ 782 |
| Uncommitted IRLCs | 477,065 | 228,831 |
| FMBSs related to uncommitted IRLCs | 476,000 | 223,000 |
| Whole loan contracts and related mortgage loans held for sale | 18,648 | 3,785 |
| FMBSs related to mortgage loans held for sale | 174,000 | 251,000 |
| Mortgage loans held for sale covered by FMBSs | $ 172,151 | $ 263,088 |