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Investment in and Advances to Unconsolidated Affiliates - Additional Information (Details) - USD ($)
$ in Millions
6 Months Ended
Jun. 30, 2022
Jun. 30, 2021
Dec. 31, 2021
Investments in and Advances to Affiliates [Line Items]      
Distributions from unconsolidated affiliates $ 77.9 $ 47.5  
Rivers Des Plaines      
Investments in and Advances to Affiliates [Line Items]      
Equity method investment, ownership percentage 61.30%   61.30%
Equity method investment, difference between carrying amount and underlying equity $ 831.8    
Equity method investment, amount 547.3   $ 554.8
Distributions from unconsolidated affiliates $ 61.3 25.3  
Miami Valley Gaming LLC      
Investments in and Advances to Affiliates [Line Items]      
Equity method investment, ownership percentage 50.00%   50.00%
Equity method investment, amount $ 111.3   $ 108.7
Distributions from unconsolidated affiliates $ 16.5 $ 22.0  
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%