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Related Party Transactions - Narrative (Details) - Equity Method Investee - USD ($)
$ in Millions
3 Months Ended 9 Months Ended
Sep. 30, 2025
Sep. 30, 2024
Sep. 30, 2025
Sep. 30, 2024
Related Party Transactions        
Commission expense $ 10.1 $ 11.3 $ 30.6 $ 32.5
Operating Cost and Expense, Related Party [Extensible Enumeration] us-gaap:RelatedPartyMember us-gaap:RelatedPartyMember us-gaap:RelatedPartyMember us-gaap:RelatedPartyMember