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Commitments and Contingencies - Additional Information (Detail)
12 Months Ended
Nov. 02, 2016
USD ($)
Sep. 20, 2016
USD ($)
Apr. 04, 2014
Case
Apr. 04, 2013
Case
Mar. 11, 2013
Case
Nov. 19, 2012
Case
Aug. 16, 2012
Case
Aug. 03, 2012
Case
Dec. 31, 2016
USD ($)
Dec. 31, 2015
USD ($)
Dec. 31, 2014
USD ($)
Loss Contingencies [Line Items]                      
Rent expense on operating leases | $                 $ 5,300,000 $ 4,500,000 $ 4,500,000
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                
Revolving Line of Credit [Member]                      
Loss Contingencies [Line Items]                      
Line of credit facility maximum borrowing capacity | $ $ 200,000,000                    
Line of credit facility commitment fee amount | $ $ 100,000                    
Line of credit facility, termination date                 Nov. 02, 2016