Quarterly report pursuant to Section 13 or 15(d)

Net Loss Per Share - Schedule of Potential Common Shares Outstanding Excluded from the Computation of Diluted Net Loss Per Share (Details)

v3.7.0.1
Net Loss Per Share - Schedule of Potential Common Shares Outstanding Excluded from the Computation of Diluted Net Loss Per Share (Details) - shares
shares in Thousands
 3 Months Ended
Mar. 31, 2017
Mar. 31, 2016
Anti-dilutive securities    
Total common stock equivalents (in shares) 35,857 37,093
Options to purchase common stock    
Anti-dilutive securities    
Total common stock equivalents (in shares) 9,367 12,627
Restricted stock units    
Anti-dilutive securities    
Total common stock equivalents (in shares) 23,830 22,947
Performance awards    
Anti-dilutive securities    
Total common stock equivalents (in shares) 2,056 776
Shares issuable pursuant to the ESPP    
Anti-dilutive securities    
Total common stock equivalents (in shares) 604 743