Goodwill and Intangibles - Schedule of Intangibles Assets (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2018	Dec. 31, 2017	Dec. 31, 2016	Sep. 30, 2018
Finite-Lived Intangible Assets [Line Items]
Accretion of contract rights under development agreements and placement fees	$ 4,552	$ 4,680	$ 4,702
Finite-lived intangible assets, accumulated amortization		(158,233)		$ (206,607)
Intangible assets, gross value		390,520		403,508
Intangible assets, net carrying value	$ 196,898	232,287		196,898
Minimum [Member]
Finite-Lived Intangible Assets [Line Items]
Finite-lived intangible assets, useful life (years)	1 year
Maximum [Member]
Finite-Lived Intangible Assets [Line Items]
Finite-lived intangible assets, useful life (years)	12 years
Trade Names [Member]
Indefinite-lived Intangible Assets [Line Items]
Indefinite-lived intangible assets		12,126		12,126
Trade Names [Member]
Finite-Lived Intangible Assets [Line Items]
Finite-lived intangible assets, gross value		14,730		14,730
Finite-lived intangible assets, accumulated amortization		(7,642)		(10,681)
Finite-lived intangible assets, net carrying value		7,088		4,049
Finite-lived intangible assets, useful life (years)	7 years
Customer Relationships [Member]
Finite-Lived Intangible Assets [Line Items]
Finite-lived intangible assets, gross value		188,419		188,772
Finite-lived intangible assets, accumulated amortization		(69,564)		(93,358)
Finite-lived intangible assets, net carrying value		118,855		95,413
Finite-lived intangible assets, useful life (years)	7 years
Customer agreements [Member]
Finite-Lived Intangible Assets [Line Items]
Finite-lived intangible assets, gross value		16,834		19,620
Finite-lived intangible assets, accumulated amortization		(9,860)		(14,367)
Finite-lived intangible assets, net carrying value		$ 6,974		5,253
Customer agreements [Member] | Minimum [Member]
Finite-Lived Intangible Assets [Line Items]
Finite-lived intangible assets, useful life (years)		1 year
Customer agreements [Member] | Maximum [Member]
Finite-Lived Intangible Assets [Line Items]
Finite-lived intangible assets, useful life (years)		7 years
Internally Developed Gaming Software [Member]
Finite-Lived Intangible Assets [Line Items]
Finite-lived intangible assets, gross value		$ 141,231		151,055
Finite-lived intangible assets, accumulated amortization		(67,189)		(82,371)
Finite-lived intangible assets, net carrying value		$ 74,042		68,682
Internally Developed Gaming Software [Member] | Minimum [Member]
Finite-Lived Intangible Assets [Line Items]
Finite-lived intangible assets, useful life (years)		1 year
Internally Developed Gaming Software [Member] | Maximum [Member]
Finite-Lived Intangible Assets [Line Items]
Finite-lived intangible assets, useful life (years)		7 years
Intellectual Property [Member]
Finite-Lived Intangible Assets [Line Items]
Finite-lived intangible assets, gross value		$ 17,180		17,205
Finite-lived intangible assets, accumulated amortization		(3,978)		(5,830)
Finite-lived intangible assets, net carrying value		$ 13,202		$ 11,375
Intellectual Property [Member] | Minimum [Member]
Finite-Lived Intangible Assets [Line Items]
Finite-lived intangible assets, useful life (years)		10 years
Intellectual Property [Member] | Maximum [Member]
Finite-Lived Intangible Assets [Line Items]
Finite-lived intangible assets, useful life (years)		12 years