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Related Party Transactions - Narrative (Details) - Equity Method Investee - USD ($)
$ in Millions
3 Months Ended 6 Months Ended
Jun. 30, 2023
Jun. 30, 2022
Jun. 30, 2023
Jun. 30, 2022
Related Party Transactions        
Commission expense $ 11.5 $ 12.8 $ 22.3 $ 24.3
Operating Cost and Expense, Related and Nonrelated Party Status [Extensible Enumeration] us-gaap:RelatedPartyMember us-gaap:RelatedPartyMember us-gaap:RelatedPartyMember us-gaap:RelatedPartyMember