Quarterly report pursuant to Section 13 or 15(d)

Intangible Assets, net - Finite-Lived Intangible Assets (Details)

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Intangible Assets, net - Finite-Lived Intangible Assets (Details) - USD ($)
$ in Thousands
 6 Months Ended 12 Months Ended
Jun. 30, 2017
Dec. 31, 2016
Mar. 31, 2017
Finite-Lived Intangible Assets [Line Items]      
Gross carrying value $ 255,385 $ 255,385  
Accumulated amortization 110,868 88,665  
Net carrying value $ 144,517 $ 166,720 $ 144,517
Existing technology - software      
Finite-Lived Intangible Assets [Line Items]      
Weighted average useful lives 4 years 9 months 4 years 9 months  
Gross carrying value $ 43,019 $ 43,019  
Accumulated amortization 15,024 9,842  
Net carrying value $ 27,995 $ 33,177  
Existing technology - games      
Finite-Lived Intangible Assets [Line Items]      
Weighted average useful lives 5 years 5 years  
Gross carrying value $ 12,331 $ 12,331  
Accumulated amortization 10,893 9,659  
Net carrying value $ 1,438 $ 2,672  
Developed technology      
Finite-Lived Intangible Assets [Line Items]      
Weighted average useful lives 8 years 8 years  
Gross carrying value $ 7,317 $ 7,317  
Accumulated amortization 3,430 2,973  
Net carrying value $ 3,887 $ 4,344  
Customer relationships      
Finite-Lived Intangible Assets [Line Items]      
Weighted average useful lives 7 years 11 months 7 years 11 months  
Gross carrying value $ 170,716 $ 170,716  
Accumulated amortization 73,370 61,579  
Net carrying value $ 97,346 $ 109,137  
Backlog      
Finite-Lived Intangible Assets [Line Items]      
Weighted average useful lives 3 years 3 years  
Gross carrying value $ 18,300 $ 18,300  
Accumulated amortization 5,592 2,542  
Net carrying value $ 12,708 $ 15,758  
Other      
Finite-Lived Intangible Assets [Line Items]      
Weighted average useful lives 4 years 6 months 4 years 6 months  
Gross carrying value $ 3,702 $ 3,702  
Accumulated amortization 2,559 2,070  
Net carrying value $ 1,143 $ 1,632  
Minimum      
Finite-Lived Intangible Assets [Line Items]      
Weighted average useful lives 2 years    
Maximum      
Finite-Lived Intangible Assets [Line Items]      
Weighted average useful lives 10 years    
Weighted average      
Finite-Lived Intangible Assets [Line Items]      
Weighted average useful lives 6 years 9 months 18 days