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Equity Method Investments (Additional Information) (Details) - USD ($) $ in Thousands | 9 Months Ended |  |  |  |  |
--- | --- | --- | --- | --- | --- | ---
Sep. 30, 2024 | Dec. 31, 2023 | May 31, 2023 | Dec. 31, 2022 | Apr. 30, 2022 | Nov. 14, 2018
Schedule of Equity Method Investments [Line Items] |  |  |  |  |  |
Provision for credit losses | $ 300 |  |  |  |  |
Equity method investments | 21,447 | $ 21,361 |  |  |  |
HGC Funding I LLC and Origination I LLC [Member] |  |  |  |  |  |
Schedule of Equity Method Investments [Line Items] |  |  |  |  |  |
Provision for credit losses | 100 |  |  |  |  |
Reserve for credit losses | 1,000 |  |  |  |  |
Equity method investments | $ 18,500 |  |  |  |  |
CPFH LLC [Member] | Other Investees Member |  |  |  |  |  |
Schedule of Equity Method Investments [Line Items] |  |  |  |  |  |
Equity method investment, ownership percentage |  |  |  |  |  | 25.00%
KNFH LLC [Member] | Other Investees Member |  |  |  |  |  |
Schedule of Equity Method Investments [Line Items] |  |  |  |  |  |
Equity method investment, ownership percentage |  |  |  |  | 25.00% |
DHC8 LLC [Member] | Other Investees Member |  |  |  |  |  |
Schedule of Equity Method Investments [Line Items] |  |  |  |  |  |
Equity method investment, ownership percentage |  |  |  | 13.33% |  |
Hgc Mpg Funding Llc Member | Other Investees Member |  |  |  |  |  |
Schedule of Equity Method Investments [Line Items] |  |  |  |  |  |
Equity method investment, ownership percentage |  |  | 25.00% |  |  |
Knfh Ii Llc Member | Other Investees Member |  |  |  |  |  |
Schedule of Equity Method Investments [Line Items] |  |  |  |  |  |
Equity method investment, ownership percentage |  | 25.00% |  |  |  |

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