Subsequent Events (Details) $ in Thousands		12 Months Ended
	Mar. 02, 2021 USD ($) terminal location	Dec. 31, 2018 USD ($)	Mar. 09, 2021 USD ($)	Dec. 31, 2020 terminal location	Jul. 30, 2020 USD ($)	Dec. 31, 2019 location terminal	Oct. 11, 2019 USD ($)	Jul. 19, 2019 USD ($)
Subsequent Event [Line Items]
Number of video gaming locations | location				2,435		2,312
Number of video gaming terminals | terminal				12,247		10,499
Total consideration		$ 63,745
Convertible Promissory Notes
Subsequent Event [Line Items]
Investment purchase (up to)					$ 25,000		$ 25,000	$ 30,000
Convertible Promissory Notes | Subordinated Debt
Subsequent Event [Line Items]
Investment purchase (up to)					$ 5,000			$ 5,000
Subsequent Event | Century
Subsequent Event [Line Items]
Number of video gaming locations | location	900
Number of video gaming terminals | terminal	8,500
Subsequent Event | Century | Forecast
Subsequent Event [Line Items]
Total consideration	$ 140,000
Subsequent Event | Convertible Promissory Notes
Subsequent Event [Line Items]
Investment purchase (up to)			$ 25,000
Subsequent Event | Convertible Promissory Notes | Subordinated Debt
Subsequent Event [Line Items]
Investment purchase (up to)			$ 5,000