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Summary of Significant Accounting Policies - Loans Held for Investment and Allowance for Credit Losses on Loans (Details) | 9 Months Ended
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Sep. 30, 2023 USD ($)
Adoption of New Accounting Standards |
Allowance for credit losses for non-PCD loans | $ 0
Allowance for credit loss written-off | $ 0

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- Definition Amount of writeoff of accrued interest on financing receivable recognized by reversing interest income. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 326 -SubTopic 20 -Name Accounting Standards Codification -Section 50 -Paragraph 3D -Publisher FASB -URI https://asc.fasb.org//1943274/2147479319/326-20-50-3D + Details
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- Definition Amount of expense for allowance for credit loss on financing receivable transferred to held-for-investment classification. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 310 -SubTopic 10 -Name Accounting Standards Codification -Section 45 -Paragraph 2 -Publisher FASB -URI https://asc.fasb.org//1943274/2147481990/310-10-45-2 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Topic 948 -SubTopic 310 -Name Accounting Standards Codification -Section 45 -Paragraph 2 -Publisher FASB -URI https://asc.fasb.org//1943274/2147481852/948-310-45-2 + Details
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