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Allowance for Loss - Sharing Obligations (Details) - USD ($) $ in Thousands | 12 Months Ended
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Dec. 31, 2023 | Dec. 31, 2022 | Dec. 31, 2021
Loss Contingency Accrual [Roll Forward] |  |  |
Provisions for loss sharing | $ 15,695 | $ 1,862 | $ (6,167)
Guarantee obligations | 34,600 | 34,400 |
Allowance for loss sharing obligations | $ 37,000 | $ 22,700 |
Loss-sharing obligations (as a percent) | 0.17% | 0.12% |
Impact of adopting CECL | $ 14,300 |  |
Loss-Sharing Obligation |  |  |
Loss Contingency Accrual [Roll Forward] |  |  |
Beginning balance | 57,168 | $ 56,064 |
Provisions for loss sharing | 17,864 | 3,592 |
Provisions reversal for loan repayments | (2,169) | (1,730) |
Recoveries (charge-offs), net | (1,229) | (758) |
Ending balance | 71,634 | 57,168 | $ 56,064
Outstanding advances under the Fannie Mae DUS program | 1,100 | 800 |
Maximum quantifiable liability | $ 3,950,000 | $ 3,490,000 |

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- Definition Amount of recoveries (charge-offs) when settle a loss under the DUS Loss sharing model, net of any previously advanced principal and interest payments. + References No definition available. + Details
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