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Description of Business - Additional Information (Details)
$ in Millions
3 Months Ended 6 Months Ended
Apr. 25, 2023
Nov. 01, 2022
USD ($)
venue
Sep. 26, 2022
USD ($)
Jun. 30, 2023
USD ($)
Jun. 30, 2022
USD ($)
Jun. 30, 2023
USD ($)
license
segment
Jun. 30, 2022
USD ($)
Feb. 15, 2023
USD ($)
a
Business Acquisition [Line Items]                
Number of reportable segments | segment           3    
Stock split, conversion ratio 2              
Asset impairments       $ 24.5 $ 0.0 $ 24.5 $ 4.9  
Additional HRM entertainment venues | venue   5            
Number of online market access licenses | license           2    
Presque Isle Downs & Casino                
Business Acquisition [Line Items]                
Asset impairments       $ 24.5        
Disposal Group, Held-for-sale, Not Discontinued Operations | Arlington Heights Property                
Business Acquisition [Line Items]                
Area of land (in acres) | a               326
Sale price               $ 197.2
P2E Transaction                
Business Acquisition [Line Items]                
Purchase price   $ 2,750.0            
Number of HRM entertainment venues | venue   6            
Total consideration   $ 2,835.9            
Number of online market access licenses | venue   5            
Ellis Park                
Business Acquisition [Line Items]                
Total consideration     $ 79.0