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Securitization and Variable Interest Entities - Narrative (Details) $ in Millions | 3 Months Ended | 6 Months Ended |
--- | --- | --- | ---
Jun. 30, 2026 USD ($) entity | Jun. 30, 2025 USD ($) | Jun. 30, 2026 USD ($) entity trust | Jun. 30, 2025 USD ($) | Dec. 31, 2025 USD ($) entity
Organization, Consolidation and Presentation of Financial Statements [Abstract] |  |  |  |  |
Number of consolidated VIEs (in entities) | entity | 1 |  | 1 |  | 1
Number of consolidated VIEs exercised securitization clean up calls (in entities) | entity |  |  | 0 |  |
Number of nonconsolidated entities in which investments are held | entity | 25 |  | 25 |  | 22
Number of nonconsolidated trusts established | trust |  |  | 4 |  |
Number of nonconsolidated trusts called | trust |  |  | 1 |  |
Investment, Proportional Amortization Method, Elected, Statement of Financial Position [Extensible Enumeration] | Other assets (less allowance for credit losses of $2,557 and $2,998, as of June 30, 2026 and December 31, 2025, respectively) |  | Other assets (less allowance for credit losses of $2,557 and $2,998, as of June 30, 2026 and December 31, 2025, respectively) |  | Other assets (less allowance for credit losses of $2,557 and $2,998, as of June 30, 2026 and December 31, 2025, respectively)
Investments | $ | $ 105.7 |  | $ 105.7 |  | $ 53.5
Unfunded commitments | $ | 88.7 |  | $ 88.7 |  | $ 47.2
Expected funding term |  |  | 3 years |  |
Amortization of the related investments | $ | $ 0.0 | $ 0.0 | $ 0.0 | $ 0.0 |

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