Stockholders' Equity - Schedule of Share Based Compensation Stock Option Activity (Detail) - Zynga Stock Options [Member] - USD ($) $ / shares in Units, shares in Thousands, $ in Thousands	12 Months Ended
	Dec. 31, 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	21,300
Stock Options, Forfeited and cancelled	(3,635)
Stock Options, Exercised	(4,022)
Stock Options Outstanding, Ending balance	36,858	23,215
Stock Options, Exercisable options	15,768
Stock Options, Vested and expected to vest	27,521
Outstanding Options, Weighted Average Exercise Price, Beginning Balance	$ 1.93
Weighted Average Exercise Price, Granted	2.63
Weighted Average Exercise Price, Forfeited and cancelled	6.33
Weighted Average Exercise Price, Exercised	0.34
Outstanding Options, Weighted Average Exercise Price, Ending Balance	2.08	$ 1.93
Weighted-Average Exercise Price, Exercisable options	1.30
Weighted-Average Exercise Price, Vested and expected to vest	$ 1.88
Outstanding Options, Aggregate Intrinsic Value of Stock Options Outstanding	$ 26,411	$ 35,949
Aggregate Intrinsic Value of Stock Options Outstanding, Exercisable options	24,892
Aggregate Intrinsic Value of Stock Options, Vested and expected to vest	$ 25,815
Weighted Average Contractual Term (in years)	6 years 9 months 22 days	5 years 4 months 10 days
Weighted-Average Contractual Term (in years), Exercisable options	3 years 3 months 11 days
Weighted-Average Contractual Term (in years), Vested and expected to vest	5 years 10 months 21 days