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Investments in and Advances to Unconsolidated Affiliates - Additional Information (Details) - USD ($)
$ in Millions
6 Months Ended
Jun. 30, 2024
Jun. 30, 2023
Dec. 31, 2023
Investments in and Advances to Affiliates [Line Items]      
Distributions from unconsolidated affiliates $ 81.7 $ 91.7  
Rivers Des Plaines      
Investments in and Advances to Affiliates [Line Items]      
Equity method investment, ownership percentage 61.30%    
Equity method investment, difference between carrying amount and underlying equity $ 832.8    
Equity method investment, amount 535.1   $ 541.2
Distributions from unconsolidated affiliates $ 58.7 68.2  
Miami Valley Gaming LLC      
Investments in and Advances to Affiliates [Line Items]      
Equity method investment, ownership percentage 50.00%    
Equity method investment, amount $ 113.7   $ 114.6
Distributions from unconsolidated affiliates $ 23.0 $ 23.5  
High Plaines | Rivers Des Plaines      
Investments in and Advances to Affiliates [Line Items]      
Equity method investment, ownership percentage 36.00%    
Casino Investors | Rivers Des Plaines      
Investments in and Advances to Affiliates [Line Items]      
Equity method investment, ownership percentage 2.70%    
Delaware North Companies Gaming & Entertainment Inc. | Miami Valley Gaming LLC      
Investments in and Advances to Affiliates [Line Items]      
Equity method investment, ownership percentage 50.00%