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Transactions with Unconsolidated Affiliates (Details) - USD ($)
$ in Millions
3 Months Ended 9 Months Ended
Sep. 30, 2024
Sep. 30, 2023
Sep. 30, 2024
Sep. 30, 2023
Dec. 31, 2023
Member of Unconsolidated Joint Venture          
Related Party Transaction [Line Items]          
Royalty and marketing and reservation system fees $ 10.0 $ 9.4 $ 26.3 $ 23.1  
Receivables 8.6   8.6   $ 4.9
Related Party | Affiliated Entity          
Related Party Transaction [Line Items]          
Loans to various unconsolidated joint ventures 66.4   66.4   $ 64.5
Revenues $ 2.5 $ 2.4 $ 6.2 $ 6.1