Summary of Significant Accounting Policies - Schedule of property and equipment useful lives (Details)	6 Months Ended
	Jun. 30, 2020
Amusement and other equipment
Property, Plant and Equipment [Line Items]
Useful life	7 years
Office equipment and furniture
Property, Plant and Equipment [Line Items]
Useful life	7 years
Computer equipment and software | Minimum
Property, Plant and Equipment [Line Items]
Useful life	3 years
Computer equipment and software | Maximum
Property, Plant and Equipment [Line Items]
Useful life	5 years
Leasehold improvements
Property, Plant and Equipment [Line Items]
Useful life	5 years
Vehicles
Property, Plant and Equipment [Line Items]
Useful life	5 years
Buildings and improvements | Minimum
Property, Plant and Equipment [Line Items]
Useful life	15 years
Buildings and improvements | Maximum
Property, Plant and Equipment [Line Items]
Useful life	29 years