Goodwill And Intangible Assets - Intangible Assets (Details) - USD ($)
$ in Thousands
 12 Months Ended
Dec. 31, 2016
Dec. 31, 2015
Dec. 31, 2014
Finite-Lived Intangible Assets [Line Items]      
Gross Carrying Value (Including Impact of Foreign Exchange) $ 62,634 $ 80,448  
Accumulated Amortization Expense (Including Impact of Foreign Exchange) (36,738) (57,681)  
Total intangible assets 25,896 22,767  
Gross book value of intangible assets written-off 29,109    
Impairment of prepaid royalties and minimum guarantees paid to a related party 9,866 0 $ 0
License fee for Rival Fire      
Finite-Lived Intangible Assets [Line Items]      
Impairment of prepaid royalties and minimum guarantees paid to a related party $ 4,597    
Minimum      
Finite-Lived Intangible Assets [Line Items]      
Intangible assets, Estimated Useful Life 1 year    
Maximum      
Finite-Lived Intangible Assets [Line Items]      
Intangible assets, Estimated Useful Life 9 years    
Cost of sales      
Finite-Lived Intangible Assets [Line Items]      
Gross Carrying Value (Including Impact of Foreign Exchange) $ 62,634 73,829  
Accumulated Amortization Expense (Including Impact of Foreign Exchange) (36,738) (51,062)  
Total intangible assets 25,896 22,767  
Cost of sales | Titles, content and technology      
Finite-Lived Intangible Assets [Line Items]      
Gross Carrying Value (Including Impact of Foreign Exchange) 40,942 34,750  
Accumulated Amortization Expense (Including Impact of Foreign Exchange) (19,255) (22,954)  
Total intangible assets $ 21,687 11,796  
Cost of sales | Titles, content and technology | Minimum      
Finite-Lived Intangible Assets [Line Items]      
Intangible assets, Estimated Useful Life 3 years    
Cost of sales | Titles, content and technology | Maximum      
Finite-Lived Intangible Assets [Line Items]      
Intangible assets, Estimated Useful Life 5 years    
Cost of sales | Catalogs      
Finite-Lived Intangible Assets [Line Items]      
Intangible assets, Estimated Useful Life 1 year    
Gross Carrying Value (Including Impact of Foreign Exchange)   1,152  
Accumulated Amortization Expense (Including Impact of Foreign Exchange)   (1,152)  
Cost of sales | ProvisionX Technology      
Finite-Lived Intangible Assets [Line Items]      
Intangible assets, Estimated Useful Life 6 years    
Gross Carrying Value (Including Impact of Foreign Exchange)   190  
Accumulated Amortization Expense (Including Impact of Foreign Exchange)   (190)  
Cost of sales | Customer contract and related relationships      
Finite-Lived Intangible Assets [Line Items]      
Intangible assets, Estimated Useful Life 5 years    
Gross Carrying Value (Including Impact of Foreign Exchange) $ 14,029 24,200  
Accumulated Amortization Expense (Including Impact of Foreign Exchange) (11,427) (20,597)  
Total intangible assets $ 2,602 3,603  
Cost of sales | Licensed content      
Finite-Lived Intangible Assets [Line Items]      
Intangible assets, Estimated Useful Life 2 years 6 months    
Gross Carrying Value (Including Impact of Foreign Exchange) $ 2,334 7,866  
Accumulated Amortization Expense (Including Impact of Foreign Exchange) $ (2,334) (2,866)  
Total intangible assets   5,000  
Cost of sales | Licensed content | Maximum      
Finite-Lived Intangible Assets [Line Items]      
Intangible assets, Estimated Useful Life 5 years    
Cost of sales | Service provider license      
Finite-Lived Intangible Assets [Line Items]      
Intangible assets, Estimated Useful Life 9 years    
Gross Carrying Value (Including Impact of Foreign Exchange) $ 212 454  
Accumulated Amortization Expense (Including Impact of Foreign Exchange) $ (212) (406)  
Total intangible assets   48  
Cost of sales | Trademarks      
Finite-Lived Intangible Assets [Line Items]      
Intangible assets, Estimated Useful Life 7 years    
Gross Carrying Value (Including Impact of Foreign Exchange) $ 5,117 5,217  
Accumulated Amortization Expense (Including Impact of Foreign Exchange) (3,510) (2,897)  
Total intangible assets $ 1,607 2,320  
Operating expense      
Finite-Lived Intangible Assets [Line Items]      
Gross Carrying Value (Including Impact of Foreign Exchange)   6,619  
Accumulated Amortization Expense (Including Impact of Foreign Exchange)   (6,619)  
Operating expense | Emux Technology      
Finite-Lived Intangible Assets [Line Items]      
Intangible assets, Estimated Useful Life 6 years    
Gross Carrying Value (Including Impact of Foreign Exchange)   1,228  
Accumulated Amortization Expense (Including Impact of Foreign Exchange)   (1,228)  
Operating expense | Non-compete agreement      
Finite-Lived Intangible Assets [Line Items]      
Intangible assets, Estimated Useful Life 4 years    
Gross Carrying Value (Including Impact of Foreign Exchange)   5,391  
Accumulated Amortization Expense (Including Impact of Foreign Exchange)   $ (5,391)