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Summary of Significant Accounting Policies - Residential Whole Loans (Details) |  | 9 Months Ended
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Apr. 04, 2022 | Sep. 30, 2023
Accounting Policies [Abstract] |  |
Number of days considered to classify loans delinquent |  | 60 days
LTV ratio (as a percent) |  | 80.00%
Stock split ratio, common stock | 0.25 |

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- Definition The LTV of which the Company has assessed its residential whole loans at carrying value will have a higher likelihood of default than newly originated mortgage loans + References No definition available. + Details
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- Definition Ratio applied to the conversion of stock split, for example but not limited to, one share converted to two or two shares converted to one. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Section S99 -Paragraph 4 -Subparagraph (SAB TOPIC 4.C) -SubTopic 10 -Topic 505 -Publisher FASB -URI https://asc.fasb.org//1943274/2147480008/505-10-S99-4 + Details
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