Business Combinations - PlayFirst Inc. (Details) - USD ($) $ / shares in Units, shares in Thousands, $ in Thousands		12 Months Ended
	May 14, 2014	Dec. 31, 2016	Dec. 31, 2015	Dec. 31, 2014
Business Acquisition, Date of Acquisition [Abstract]
Share price		$ 1.94
Intangible assets:
Goodwill		$ 116,832	$ 87,890	$ 87,964
Minimum
Business Acquisition, Date of Acquisition [Abstract]
Intangible assets estimated useful life		1 year
Maximum
Business Acquisition, Date of Acquisition [Abstract]
Intangible assets estimated useful life		9 years
Play First
Business Acquisition, Date of Acquisition [Abstract]
Value of shares transferred in purchase price consideration	$ 11,553
Shares of the Company's common stock	2,849
Share price	$ 3.91
Shares withheld to cover stockholders' agent expenses and tax obligations	106
Common stock, value	$ 11,141
Cash paid	$ 412
Shares held in Escrow	1,500
Held back period	24 months
Business acquisition, debt assumed	$ 3,480
Acquired intangible assets	3,700
Business acquisition, transitional costs				$ 917
Intangible assets:
Intangible assets	$ 3,700
Play First | Common Stock
Business Acquisition, Date of Acquisition [Abstract]
Shares of the Company's common stock	2,849
Play First | Minimum
Business Acquisition, Date of Acquisition [Abstract]
Shares of the Company's common stock	2,955
Intangible assets estimated useful life		3 years
Play First | Maximum
Business Acquisition, Date of Acquisition [Abstract]
Shares of the Company's common stock	3,000
Intangible assets estimated useful life		5 years