Acquisitions And New Ventures (Details)		1 Months Ended			12 Months Ended
	Dec. 16, 2014 USD ($) employee shares	Dec. 31, 2015 USD ($) game	May. 31, 2015	Dec. 31, 2014 USD ($)	Dec. 31, 2015 USD ($) game	Dec. 31, 2014 USD ($)	Dec. 31, 2013 USD ($)	Dec. 01, 2014 USD ($)
Business Acquisition [Line Items]
Tax refund due to Big Fish Games former equity holders		$ 426,000		$ 18,087,000	$ 426,000	$ 18,087,000
Acquisition of businesses, net of cash acquired					959,000	366,045,000	$ 154,872,000
Earnout liability for acquisition of Big Fish Games					0	324,747,000	0
Deferred payment for acquisition of Big Fish Games					0	97,073,000	0
Increase in deferred tax assets for business combination						800,000
Purchase accounting adjustments for goodwill						1,400,000
Increase in accrued expense for business combination						2,200,000
Big Fish Games deferred payment					$ 28,428,000	0	0
Royalty rate, fair value input					2.80%
Net revenue					$ 0	0	0
Loss from continuing operations before provision for income taxes					(112,089,000)	(76,518,000)	(85,506,000)
Equity in income (losses) of unconsolidated investments					11,180,000	6,328,000	(4,142,000)
Payments to acquire interest in joint venture					460,000	17,906,000	70,500,000
Big Fish Games
Business Acquisition [Line Items]
Number of employees | employee	604
Purchase price consideration	$ 838,300,000
Purchase price consideration, cash paid	401,700,000
Deferred payment to founder	85,300,000
Length of deferred founder payment payable (in years)				3 years
Big Fish Games deferred payments fair value	78,000,000
Tax refund due to Big Fish Games former equity holders	$ 18,100,000
Business acquisition, equity interest issued or issuable, number of shares | shares	157,115
Maximum additional variable cash consideration for achievement of certain performance milestones	$ 350,000,000
Commitment to pay in 2016 if earnout milestones achieved		281,600,000			281,600,000
Commitment to pay in 2017 if earnout milestones achieved		68,400,000			68,400,000
Big Fish Games earnout liability	324,700,000
Goodwill from acquisition	540,306,000
Acquisition of businesses, net of cash acquired						$ 366,000,000
Cash acquired in business combination	34,700,000
Payments to Big Fish Games former equity holders					18,700,000
Big Fish Games deferred payment		$ 28,400,000			$ 28,400,000
Number of games expected to launch in next fiscal year | game		1			1
Deferred revenue	$ 37,250,000
Net revenue				$ 13,900,000
Loss from continuing operations before provision for income taxes				$ 2,900,000
Minimum | Computer Equipment and Software | Big Fish Games
Business Acquisition [Line Items]
Useful life	1 year
Minimum | Equipment
Business Acquisition [Line Items]
Useful life					2 years
Minimum | Equipment | Big Fish Games
Business Acquisition [Line Items]
Useful life	2 years
Minimum | Furniture and fixtures
Business Acquisition [Line Items]
Useful life					2 years
Minimum | Furniture and fixtures | Big Fish Games
Business Acquisition [Line Items]
Useful life	2 years
Minimum | Leasehold Improvements | Big Fish Games
Business Acquisition [Line Items]
Useful life	3 years
Maximum | Computer Equipment and Software | Big Fish Games
Business Acquisition [Line Items]
Useful life	5 years
Maximum | Equipment
Business Acquisition [Line Items]
Useful life					10 years
Maximum | Equipment | Big Fish Games
Business Acquisition [Line Items]
Useful life	10 years
Maximum | Furniture and fixtures
Business Acquisition [Line Items]
Useful life					10 years
Maximum | Furniture and fixtures | Big Fish Games
Business Acquisition [Line Items]
Useful life	10 years
Maximum | Leasehold Improvements | Big Fish Games
Business Acquisition [Line Items]
Useful life	10 years
New York Joint Venture
Business Acquisition [Line Items]
Equity method investment, ownership percentage				50.00%		50.00%
Equity in income (losses) of unconsolidated investments						$ 1,000,000
Payments to acquire interest in joint venture						3,300,000
Impairment loss on investment in joint venture						1,600,000
Other assets | New York Joint Venture
Business Acquisition [Line Items]
Equity method investments		$ 800,000			$ 800,000
Secured Debt
Business Acquisition [Line Items]
Term Loan Facility		$ 188,800,000			188,800,000			$ 200,000,000
Issuance Of Common Stock For Extinguishment Of Convertible Note Payable
Business Acquisition [Line Items]
Issuance of common stock for acquisition of Big Fish Games	$ 15,800,000				$ 0	15,793,000	$ 0
Trademarks
Business Acquisition [Line Items]
Royalty rate, fair value input	5.00%
Customer relationships
Business Acquisition [Line Items]
Royalty rate, fair value input	10.00%
Developed Technology Rights
Business Acquisition [Line Items]
Royalty rate, fair value input	25.00%
In-process research & development
Business Acquisition [Line Items]
Royalty rate, fair value input	10.00%
Selling, General and Administrative Expense
Business Acquisition [Line Items]
Acquisition related charges						$ 6,400,000
I-Gaming
Business Acquisition [Line Items]
Term of agreement for internet-based interactive gaming services within California (in years)			10 years