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v3.25.3

Related Party Transactions - Other Agreements with Cantor (Details) - USD ($) |  | 3 Months Ended | 9 Months Ended |  |
--- | --- | --- | --- | --- | ---
Jul. 01, 2023 | Sep. 30, 2025 | Sep. 30, 2024 | Sep. 30, 2025 | Sep. 30, 2024 | Dec. 31, 2024 | Aug. 31, 2013
Related Party Transaction [Line Items] |  |  |  |  |  |  |
Repurchase agreements |  | $ 0 |  | $ 0 |  | $ 0 |
Reverse repurchase agreements |  | 0 |  | 0 |  | 0 |
Commissions |  | 573,159,000 | $ 407,095,000 | 1,667,366,000 | $ 1,217,348,000 |  |
Investment in asset-backed commercial paper program |  | $ 0 |  | $ 0 |  | 0 |
Conversion of stock, shares converted (in shares) | 64,000,000 |  |  |  |  |  |
Minimum number of shares required to be issued (in shares) | 75,000,000 |  |  |  |  |  |
Class A Common Stock | Cantor |  |  |  |  |  |  |
Related Party Transaction [Line Items] |  |  |  |  |  |  |
Investment owned, balance (in shares) |  | 0 |  | 0 |  |  |
Class A Common Stock | CFGM |  |  |  |  |  |  |
Related Party Transaction [Line Items] |  |  |  |  |  |  |
Investment owned, balance (in shares) |  | 0 |  | 0 |  |  |
Class B Common Stock | Cantor |  |  |  |  |  |  |
Related Party Transaction [Line Items] |  |  |  |  |  |  |
Investment owned, balance (in shares) |  | 93,300,000 |  | 93,300,000 |  |  |
Class B Common Stock | CFGM |  |  |  |  |  |  |
Related Party Transaction [Line Items] |  |  |  |  |  |  |
Investment owned, balance (in shares) |  | 3,000,000.0 |  | 3,000,000.0 |  |  |
Related Party |  |  |  |  |  |  |
Related Party Transaction [Line Items] |  |  |  |  |  |  |
Repurchase agreements |  | $ 0 |  | $ 0 |  | 0 |
Reverse repurchase agreements |  | 0 |  | 0 |  | $ 0 |
Recognition of share of FX gains (losses) |  | (100,000) | (5,200,000) | (3,000,000.0) | (6,600,000) |  |
Commissions |  | $ 100,000 | $ 100,000 | $ 300,000 | $ 300,000 |  |
Investment authorization in asset-backed commercial paper program |  |  |  |  |  |  | $ 350,000,000.0

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