Long-Term Debt - Senior Secured Credit Facilities Narrative (Details)
12 Months Ended
Dec. 31, 2016
USD ($)
Dec. 31, 2015
USD ($)
May 29, 2015
USD ($)
Dec. 20, 2013
USD ($)
note
Senior Secured Credit Facilities [Line Items]        
Debt, Long-term $ 553,775,000 $ 540,209,000    
Term Facility [Member]        
Senior Secured Credit Facilities [Line Items]        
Debt, Long-term 395,581,000 396,717,000    
Term Facility [Member] | Subsidiary [Member]        
Senior Secured Credit Facilities [Line Items]        
Senior secured credit facilities 420,000,000 420,000,000    
Payment in Kind (PIK) Note [Member]        
Senior Secured Credit Facilities [Line Items]        
Debt, Long-term 133,286,000 118,764,000 $ 115,000,000  
Interest Costs Capitalized 21,800,000      
Debt instrument, stated interest rate (as a percent)     11.25%  
Issue price percentage of principle amount     97.00%  
Notes Payable [Member]        
Senior Secured Credit Facilities [Line Items]        
Debt instrument, stated interest rate (as a percent)       8.50%
Equipment, Long-Term Notes Payable [Member]        
Senior Secured Credit Facilities [Line Items]        
Debt, Long-term $ 4,792,000 5,826,000    
Senior Secured Credit Facilities [Member]        
Senior Secured Credit Facilities [Line Items]        
Line Of Credit Facility, Maximum Net First Lien Leverage Ratio 5.50%      
Senior Secured Credit Facilities [Member] | Line of Credit [Member] | Revolving Facility [Member]        
Senior Secured Credit Facilities [Line Items]        
Senior secured credit facilities     $ 15,000,000 $ 25,000,000
Commitment fee percentage 0.50%      
Senior Secured Credit Facilities [Member] | Medium-term Notes [Member]        
Senior Secured Credit Facilities [Line Items]        
Debt Instrument Periodic Payment Percent Of Outstanding Principal Balance 0.25%      
Financing agreement amount     265,000,000 $ 155,000,000
AGS Seller Notes [Domain] | Notes Payable [Member]        
Senior Secured Credit Facilities [Line Items]        
Promissory notes issued | note       2
Debt, Long-term $ 7,100,000      
Interest Costs Capitalized 1,600,000      
Seller Notes [Member] | Notes Payable [Member]        
Senior Secured Credit Facilities [Line Items]        
Debt, Long-term 20,116,000 $ 18,902,000    
Promissory Note 2.2 Million [Member] | Notes Payable [Member]        
Senior Secured Credit Facilities [Line Items]        
Debt, Long-term       $ 2,200,000
Promissory Note 3.3 Million [Member] | Notes Payable [Member]        
Senior Secured Credit Facilities [Line Items]        
Debt, Long-term       $ 3,300,000
Promissory Note 12.0 Million Amaya [Member] | Notes Payable [Member]        
Senior Secured Credit Facilities [Line Items]        
Debt, Long-term 13,000,000   $ 12,000,000  
Interest Costs Capitalized $ 1,000,000      
Debt instrument, stated interest rate (as a percent)     5.00%