Commitments and Contingencies - Additional Information (Detail)	May 01, 2017 USD ($)	Mar. 31, 2017 USD ($) Claim	Sep. 20, 2016 USD ($)	Apr. 04, 2014 Case	Apr. 04, 2013 Case	Mar. 11, 2013 Case	Nov. 19, 2012 Case	Aug. 16, 2012 Case	Aug. 03, 2012 Case
Loss Contingencies [Line Items]
Litigation settlement | $			$ 10,000,000
Delaware [Member]
Loss Contingencies [Line Items]
Claims filed						1
Claims settled							1
Lee v. Pincus [Member] | Delaware [Member]
Loss Contingencies [Line Items]
Claims filed					1
Stockholder Derivative Lawsuits [Member]
Loss Contingencies [Line Items]
Claims filed									8
Zynga Shareholder Derivative Litigation [Member] | San Francisco [Member]
Loss Contingencies [Line Items]
Claims filed									3
Zynga Inc. Derivative Litigation [Member] | Northern California [Member]
Loss Contingencies [Line Items]
Claims filed								4
Sandys v. Pincus [Member] | Delaware [Member]
Loss Contingencies [Line Items]
Claims filed				1
Mayer et al. v. Zynga [Member]
Loss Contingencies [Line Items]
Number of claims relief | Claim		5
Compensatory damages held in escrow | $		$ 875,000
Mayer et al. v. Zynga [Member] | Subsequent Event [Member]
Loss Contingencies [Line Items]
Loss contingencies for counter claims | $	$ 2,500,000
Mayer et al. v. Zynga [Member] | Minimum [Member]
Loss Contingencies [Line Items]
Entitled to compensatory damages | $		$ 60,000,000