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Transactions with Unconsolidated Affiliates (Details) - USD ($)
$ in Millions
3 Months Ended 6 Months Ended
Jun. 30, 2024
Jun. 30, 2023
Jun. 30, 2024
Jun. 30, 2023
Dec. 31, 2023
Member of Unconsolidated Joint Venture          
Related Party Transaction [Line Items]          
Royalty and marketing and reservation system fees $ 10.0 $ 7.8 $ 16.3 $ 13.6  
Receivables 7.5   7.5   $ 4.9
Related Party | Affiliated Entity          
Related Party Transaction [Line Items]          
Loans to various unconsolidated joint ventures 66.8   66.8   $ 64.5
Revenues $ 2.1 $ 1.9 $ 3.8 $ 3.7