Quarterly report pursuant to Section 13 or 15(d)

Stock-Based Compensation - RSUs to be Settled in Common Stock (Details)

v3.20.2
Stock-Based Compensation - RSUs to be Settled in Common Stock (Details) - USD ($)
$ / shares in Units, $ in Thousands, shares in Millions
3 Months Ended 6 Months Ended
Jun. 30, 2020
Jun. 30, 2019
Jun. 30, 2020
Jun. 30, 2019
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]        
Non-cash stock compensation expense $ 21,980 $ 14,484 $ 36,892 $ 27,496
Restricted Stock Units to be Settled in Common Stock        
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]        
Shares granted (in shares)   0.1 1.9 1.6
Weighted average grant date fair value (in dollars per share) $ 35.90 $ 36.50 $ 39.03 $ 35.86
Vesting period for RSUs to be settled in stock     3 years  
RSUs vested (in shares) 0.1 0.1 1.2 1.2
Fair value of restricted stock, vested $ 2,200 $ 3,100 $ 45,900 $ 44,600
Non-cash stock compensation expense 14,200 $ 12,600 26,200 $ 23,900
Unrecognized compensation cost, related to unvested RSUs to be settled in common stock, total $ 101,900   $ 101,900  
Expected weighted average period to recognize compensation cost on RSUs to be settled in common stock     2 years 6 months 25 days