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)