XML 59 R48.htm IDEA: XBRL DOCUMENT v3.20.2
Stock-Based Compensation - Summary of Restricted Stock Units Activity (Details) - Restricted Stock Units
9 Months Ended
Sep. 30, 2020
$ / shares
shares
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Nonvested, Number of Shares [Roll Forward]  
Number of shares, Beginning Balance (in shares) | shares 528,376
Number of shares, Granted (in shares) | shares 211,660
Number of shares, Forfeited (in shares) | shares (3,844)
Number of shares, Settled (in shares) | shares (181,091)
Number of shares, Ending Balance (in shares) | shares 555,101
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Nonvested, Weighted Average Grant Date Fair Value [Abstract]  
Weighted Average Grant Date Fair Value, Beginning Balance (in $ per share) | $ / shares $ 115.74
Weighted Average Grant Date Fair Value, Granted (in $ per share) | $ / shares 86.73
Weighted Average Grant Date Fair Value, Forfeited (in $ per share) | $ / shares 118.95
Weighted Average Grant Date Fair Value, Settled (in $ per share) | $ / shares 110.79
Weighted Average Grant Date Fair Value, Ending Balance (in $ per share) | $ / shares $ 106.27