Business Acquisition (Details) $ in Thousands	9 Months Ended
	Sep. 30, 2016 USD ($) shares
Goodwill, Purchase Accounting Adjustments	$ (4,115)
Goodwill, Acquired During Period	56,479
Business Acquisition, Purchase Price Allocation, Goodwill, Expected Tax Deductible Amount	35,400
Business Acquisition Contributed Total Revenue	20,100
Total consideration of transaction, net of cash acquired	$ 95,558
Stock Repurchased | shares	2,100,000
IGC [Member]
Business Acquisition, Date of Acquisition Agreement	Jul. 12, 2016
Total consideration of transaction, net of cash acquired	$ 6,300
Stock Repurchased During Period, Value	$ 51,500
Stock Repurchased | shares	935,231
Business Cloud Services Segment [Member]
Goodwill, Purchase Accounting Adjustments	$ 816
Goodwill, Acquired During Period	56,479
Digital Media Segment [Member]
Goodwill, Purchase Accounting Adjustments	(4,931)
Goodwill, Acquired During Period	$ 0