Annual report pursuant to Section 13 and 15(d)

Business Combinations - Allocation of the Purchase Price (Details)

v3.8.0.1
Business Combinations - Allocation of the Purchase Price (Details) - USD ($)
$ in Thousands
 12 Months Ended
Jul. 27, 2016
Dec. 31, 2016
Dec. 31, 2017
Dec. 31, 2015
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]        
Finite lived intangible asset, weighted average useful life 14 years 10 months 24 days      
Goodwill   $ 327,836 $ 159,696 $ 93,796
Emerging Markets Communications LLC        
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]        
Cash and cash equivalents $ 8,208      
Restricted cash 16,257      
Other current assets 60,625      
Property, plant and equipment 82,220      
Equity method investments $ 152,700      
Finite lived intangible asset, weighted average useful life 5 years 11 months      
Other non-current assets $ 2,321      
Accounts payable and accrued liabilities (68,864)      
Debt, including current (371,990)      
Deferred tax liabilities, net (71,954)      
Unfavorable vendor contracts, including current 13,500      
Deferred revenue, including current (4,602)      
Other non-current liabilities (9,479)      
Fair value of net assets acquired (132,558)      
Consideration transferred (3) 165,039      
Goodwill 297,597      
Goodwill expected to be tax deductible $ 74,900      
Emerging Markets Communications LLC | Existing technology - games        
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]        
Finite lived intangible asset, weighted average useful life 3 years 5 months      
Intangible assets $ 18,500      
Emerging Markets Communications LLC | Customer relationships        
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]        
Finite lived intangible asset, weighted average useful life 8 years      
Intangible assets $ 47,700      
Emerging Markets Communications LLC | Backlog        
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]        
Finite lived intangible asset, weighted average useful life 3 years      
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Liabilities $ 18,300      
Emerging Markets Communications LLC | Trademarks        
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]        
Finite lived intangible asset, weighted average useful life 5 years      
Intangible assets $ 1,000      
2015 Business Combinations        
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]        
Accounts receivable   6,450    
Property, plant and equipment   $ 1,783    
Finite lived intangible asset, weighted average useful life   6 years 5 months    
Deferred tax liabilities, net   $ (11,047)    
Accrued expenses   (4,379)    
Other liabilities assumed, net of assets acquired   (857)    
Goodwill   40,281    
Net assets acquired   $ (68,331)    
2015 Business Combinations | Existing technology - games        
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]        
Finite lived intangible asset, weighted average useful life   5 years 8 months 12 days    
Intangible assets   $ 21,900    
2015 Business Combinations | Customer relationships        
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]        
Finite lived intangible asset, weighted average useful life   7 years 7 months 6 days    
Intangible assets   $ 14,000    
2015 Business Combinations | Trade Names        
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]        
Finite lived intangible asset, weighted average useful life   5 years    
Intangible assets   $ 200    
Wireless Maritime Services        
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]        
Equity method investment, ownership percentage 49.00%      
Santander        
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]        
Equity method investment, ownership percentage 49.00%