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Allowance for Loss - Sharing Obligations (Details) - USD ($) $ in Thousands | 3 Months Ended | 12 Months Ended
--- | --- | ---
Jun. 30, 2022 | Dec. 31, 2022 | Dec. 31, 2021 | Dec. 31, 2020
Roll forward of loss contingency accrual |  |  |  |
Provisions for loss sharing |  | $ 1,862 | $ (6,167) | $ 14,822
Guarantee obligations |  | 34,400 | 34,400 |
Impact of adopting CECL |  | 1,100 |  |
Allowance for loan and lease loss, recovery of bad debts | $ 1,200 |  |  |
Fannie Mae Mortgage |  |  |  |
Roll forward of loss contingency accrual |  |  |  |
Allowance for loss sharing obligations |  | $ 22,700 | $ 21,700 |
Loss-sharing obligations (as a percent) |  | 0.12% | 0.11% |
Loss-Sharing Obligation |  |  |  |
Roll forward of loss contingency accrual |  |  |  |
Outstanding advances under the Fannie Mae DUS program |  | $ 800 | $ 100 |
Loss-Sharing Obligation | Fannie Mae Mortgage |  |  |  |
Roll forward of loss contingency accrual |  |  |  |
Beginning balance |  | 56,064 | 64,303 |
Provisions for loss sharing |  | 3,592 | 44 |
Provisions reversal for loan repayments |  | (1,730) | (6,211) |
Recoveries (charge-offs), net |  | (758) | (2,072) |
Ending balance |  | 57,168 | 56,064 | $ 64,303
Maximum quantifiable liability |  | $ 3,490,000 | $ 3,600,000 |

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- Definition Amount of guarantee obligations included in allowance for loss-sharing obligations. + References No definition available. + Details
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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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- Definition Amount of recovery of loans and lease receivables which had previously been fully or partially written-off as bad debts. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -Section 50 -Paragraph 11B -Subparagraph (c)(4) -URI https://asc.fasb.org/extlink&oid=123577603&loc=SL6953423-111524 + Details
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