Long-Term Debt - Senior Secured Credit Facilities Narrative (Details) $ in Thousands							3 Months Ended	12 Months Ended
	Oct. 05, 2018 USD ($)	Feb. 08, 2018 USD ($)	Feb. 07, 2018	Jan. 30, 2018 USD ($)	Dec. 06, 2017 USD ($)	Jun. 06, 2017 USD ($)	Mar. 31, 2017 USD ($)	Dec. 31, 2018 USD ($)	Dec. 31, 2017 USD ($)	Dec. 31, 2016 USD ($)	May 29, 2015 USD ($)	Dec. 20, 2013 USD ($) note
Senior Secured Credit Facilities [Line Items]
Long-term debt								$ 527,883	$ 651,517
Write off of deferred loan cost and discount								3,876	3,294	$ 0
Loss on extinguishment and modification of debt								(6,625)	(9,032)	0
Fair value adjustments to contingent consideration and other items								701	0	0
Parent Company [Member]
Senior Secured Credit Facilities [Line Items]
Write off of deferred loan cost and discount								3,037	0	0
Term Facility [Member]
Senior Secured Credit Facilities [Line Items]
Debt Instrument, Unamortized Discount (Premium) and Debt Issuance Costs, Net									0
Payment in Kind (PIK) Note [Member]
Senior Secured Credit Facilities [Line Items]
Long-term debt								0	149,588
Debt Instrument, Repurchased Face Amount				$ 115,000
Payment in Kind (PIK) Note [Member] | Parent Company [Member]
Senior Secured Credit Facilities [Line Items]
Long-term debt											$ 115,000
Debt instrument, stated interest rate (as a percent)											11.25%
First Lien Credit Facilities [Member]
Senior Secured Credit Facilities [Line Items]
Debt Instrument, Unamortized Discount (Premium) and Debt Issuance Costs, Net						$ 9,200
Debt Instrument, Modification, Debt Issuance Costs Expensed in Period						4,800
First Lien Credit Facilities [Member] | Medium-term Notes [Member]
Senior Secured Credit Facilities [Line Items]
Long-term debt		$ 513,000						$ 526,461	499,173
Debt Instrument, Unamortized Discount (Premium) and Debt Issuance Costs, Net									$ 0
Write off of deferred loan cost and discount		400
Debt Issuance Costs, Line of Credit Arrangements, Gross		$ 1,200
Senior Secured Credit Facilities [Member]
Senior Secured Credit Facilities [Line Items]
Debt Instrument, Unamortized Discount (Premium) and Debt Issuance Costs, Net						13,900
Write off of deferred loan cost and discount						3,300
Senior Secured Credit Facilities [Member] | Payment in Kind (PIK) Note [Member]
Senior Secured Credit Facilities [Line Items]
Extinguishment of Debt, Amount				152,600
Write off of deferred loan cost and discount				$ 3,000
Debt instrument, stated interest rate (as a percent)				11.25%
Debt Instrument, Accrued Interest				$ 1,400
AGS Seller Notes [Domain] | Notes Payable [Member]
Senior Secured Credit Facilities [Line Items]
Promissory notes issued | note												2
Promissory Note 2.2 Million [Member] | Notes Payable [Member]
Senior Secured Credit Facilities [Line Items]
Long-term debt												$ 2,200
Promissory Note 3.3 Million [Member] | Notes Payable [Member]
Senior Secured Credit Facilities [Line Items]
Long-term debt												$ 3,300
Promissory Note 12.0 Million Amaya [Member] | Notes Payable [Member]
Senior Secured Credit Facilities [Line Items]
Fair value adjustments to contingent consideration and other items							$ 5,100
Promissory Note 12.0 Million Amaya [Member] | Notes Payable [Member] | Parent Company [Member]
Senior Secured Credit Facilities [Line Items]
Long-term debt											$ 12,000
AP Gaming I, LLC [Member] | First Lien Credit Facilities [Member] | Line of Credit [Member] | Revolving Facility [Member]
Senior Secured Credit Facilities [Line Items]
Senior secured credit facilities						30,000
AP Gaming I, LLC [Member] | First Lien Credit Facilities [Member] | Medium-term Notes [Member]
Senior Secured Credit Facilities [Line Items]
Debt Instrument, Decrease in Basis Spread on Variable Rate	0.75%
Debt Instrument, Conditional Increase in Basis Spread on Variable Rate	0.25%
Financing agreement amount	$ 30,000				$ 65,000	$ 450,000
Debt issuance costs					1,000
Loss on extinguishment and modification of debt					$ 900
Debt Issuance Costs, Line of Credit Arrangements, Gross	$ 1,500
Debt Instrument, Premium Fee, Percent	1.00%
London Interbank Offered Rate (LIBOR) [Member] | First Lien Credit Facilities [Member] | Medium-term Notes [Member]
Senior Secured Credit Facilities [Line Items]
Debt Instrument, Basis Spread on Variable Rate		425.00%	550.00%						3.50%
Debt Instrument, Basis Floor on Variable Rate		100.00%
London Interbank Offered Rate (LIBOR) [Member] | Senior Secured Credit Facilities [Member] | Medium-term Notes [Member]
Senior Secured Credit Facilities [Line Items]
Debt Instrument, Basis Spread on Variable Rate									1090000000.00%	1340000000.00%