Goodwill and Intangible Assets (Details) - USD ($) $ in Thousands	3 Months Ended				6 Months Ended	9 Months Ended
	Sep. 30, 2020	Jun. 30, 2020	Mar. 31, 2020	Sep. 30, 2019	Jun. 30, 2020	Sep. 30, 2020	Sep. 30, 2019
Goodwill And Intangible Assets [Line Items]
Impairment of goodwill						$ 25,271
Impairment of indefinite-lived intangible assets						2,600
Amortization of intangible assets	$ 5,700			$ 5,700		16,900	$ 17,100
Discounted Cash Flow | Level 3 | Discount Rate
Goodwill And Intangible Assets [Line Items]
Measurement of fair value inputs					12.00%
Discounted Cash Flow | Minimum | Level 3 | Long-term Revenue Growth Rate
Goodwill And Intangible Assets [Line Items]
Measurement of fair value inputs					2.00%
Discounted Cash Flow | Maximum | Level 3 | Long-term Revenue Growth Rate
Goodwill And Intangible Assets [Line Items]
Measurement of fair value inputs					3.00%
Casinos
Goodwill And Intangible Assets [Line Items]
Impairment of goodwill		$ 18,800	$ 6,500			25,271
Impairment of indefinite-lived intangible assets		$ 2,600
Distributed Gaming
Goodwill And Intangible Assets [Line Items]
Impairment of goodwill						$ 0