Annual report pursuant to Section 13 and 15(d)

Stock-Based Compensation - Summary of Activity for All RSUs (Details)

v3.19.3.a.u2
Stock-Based Compensation - Summary of Activity for All RSUs (Details) - Restricted Stock Units (RSUs) - $ / shares
12 Months Ended
Dec. 31, 2019
Dec. 31, 2018
Dec. 31, 2014
Shares      
Unvested beginning balance (in shares) 4,182,000 5,330,000  
Granted (in shares) 2,258,000 2,019,000 947,342
Issued (in shares) (1,104,000) (1,720,000)  
Cancelled / forfeited (in shares) (1,393,000) (1,447,000)  
Unvested ending balance (in shares) 3,943,000 4,182,000  
Weighted Average Grant Date Fair Value      
Unvested beginning balance (in dollars per share) $ 7.05 $ 5.82  
Granted (in dollars per share) 15.25 8.75  
Issued (in dollars per share) 6.83 6.36  
Cancelled / forfeited (in dollars per share) 8.14 5.75  
Unvested ending balance (in dollars per share) $ 11.42 $ 7.05