Revenue Recognition - Summary of Activity Related to Contract and Contract Related Liabilities (Details) - USD ($) $ in Thousands	6 Months Ended
	Jun. 30, 2020	Jun. 30, 2019
Outstanding Chip Liability
Disaggregation of Revenue [Line Items]
Balance at January 1	$ 9,770	$ 8,930
Balance at June 30	7,041	7,802
Increase / (decrease)	(2,729)	(1,128)
Player Loyalty Liability
Disaggregation of Revenue [Line Items]
Balance at January 1	13,461	17,639
Balance at June 30	12,975	14,723
Increase / (decrease)	(486)	(2,916)
Customer Deposits and Other Deferred Revenue
Disaggregation of Revenue [Line Items]
Balance at January 1	171,641	27,588
Balance at June 30	167,245	174,287
Increase / (decrease)	$ (4,396)	$ 146,699