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Regulatory Requirements - Narrative (Details) - USD ($) | 1 Months Ended | 12 Months Ended |
--- | --- | --- | ---
Oct. 31, 2020 | Dec. 31, 2020 | Dec. 31, 2019
Compliance with Regulatory Capital Requirements for Mortgage Companies [Line Items] |  |  |
Number of days from fiscal year end that servicer is obliged to provide audited financial statements |  | 90 days |
Covenant liquidity requirement |  | $ 27,500,000 |
Capital |  | $ 352,900,000 |
Percentage portfolio of loans serviced or subserviced |  | 2.00% |
Cash and cash equivalents |  | $ 284,802,000 | $ 428,339,000
Fannie Mae |  |  |
Compliance with Regulatory Capital Requirements for Mortgage Companies [Line Items] |  |  |
Capital requirement based on outstanding UPB of owned and subserviced portfolio |  | 269,800,000 |
California Department of Business Oversight |  |  |
Compliance with Regulatory Capital Requirements for Mortgage Companies [Line Items] |  |  |
Litigation settlement expense | $ 62,000 |  |
PMC |  |  |
Compliance with Regulatory Capital Requirements for Mortgage Companies [Line Items] |  |  |
Cash and cash equivalents |  | $ 257,800,000 |

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