Stockholders' Equity - Schedule of Share Based Compensation Stock Option Activity (Detail) - Zynga Stock Options [Member] - USD ($) $ / shares in Units, shares in Thousands, $ in Thousands	9 Months Ended	12 Months Ended
	Sep. 30, 2016	Dec. 31, 2015
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Stock Options Outstanding, Beginning balance	23,215
Stock Options, Granted	15,000
Stock Options, Forfeited and cancelled	(2,857)
Stock Options, Exercised	(3,693)
Stock Options Outstanding, Ending balance	31,665	23,215
Outstanding Options, Weighted Average Exercise Price, Beginning Balance	$ 1.93
Weighted Average Exercise Price, Granted	2.54
Weighted Average Exercise Price, Forfeited and cancelled	3.01
Weighted Average Exercise Price, Exercised	0.27
Outstanding Options, Weighted Average Exercise Price, Ending Balance	$ 2.32	$ 1.93
Outstanding Options, Aggregate Intrinsic Value of Stock Options Outstanding	$ 34,718	$ 35,949
Weighted Average Contractual Term (in years)	6 years 6 months 29 days	5 years 4 months 10 days