Quarterly report pursuant to Section 13 or 15(d)

Stockholders' Equity - Summary of Restricted Stock Activity (Details)

v3.20.2
Stockholders' Equity - Summary of Restricted Stock Activity (Details)
9 Months Ended
Sep. 30, 2020
$ / shares
shares
Time based restricted stock units  
Class Of Stock [Line Items]  
Unvested restricted stock units/ awards outstanding, Beginning balance 108,976
Granted 202,924
Vested (42,040)
Forfeited/canceled (18,858)
Unvested restricted stock units/ awards outstanding, Ending balance 251,002
Performance and time based restricted stock units  
Class Of Stock [Line Items]  
Unvested restricted stock units/ awards outstanding, Beginning balance 3,134
Granted 88,458
Forfeited/canceled (3,134)
Unvested restricted stock units/ awards outstanding, Ending balance 88,458
Restricted stock units  
Class Of Stock [Line Items]  
Unvested restricted stock units/ awards outstanding, Beginning balance 112,110
Granted 291,382
Vested (42,040)
Forfeited/canceled (21,992)
Unvested restricted stock units/ awards outstanding, Ending balance 339,460
Unvested and expected to vest restricted stock units/awards outstanding 251,623
Weighted-average grant date fair value per share, Unvested restricted stock units/ awards outstanding, Beginning balance | $ / shares $ 83.48
Weighted-average grant date fair value per share, Granted | $ / shares 43.85
Weighted-average grant date fair value per share, Vested | $ / shares 83.06
Weighted-average grant date fair value per share, Forfeited/canceled | $ / shares 76.90
Weighted-average grant date fair value per share, Unvested restricted stock units/ awards outstanding, Ending balance | $ / shares 50.52
Weighted-average grant date fair value per share, Unvested and expected to vest restricted stock units/awards outstanding | $ / shares $ 51.24
Time based restricted stock awards  
Class Of Stock [Line Items]  
Unvested restricted stock units/ awards outstanding, Beginning balance 71,070
Vested (22,704)
Unvested restricted stock units/ awards outstanding, Ending balance 48,366
Performance and time based restricted stock awards  
Class Of Stock [Line Items]  
Unvested restricted stock units/ awards outstanding, Beginning balance 62,628
Forfeited/canceled (29,273)
Unvested restricted stock units/ awards outstanding, Ending balance 33,355
Restricted stock awards  
Class Of Stock [Line Items]  
Unvested restricted stock units/ awards outstanding, Beginning balance 133,698
Vested (22,704)
Forfeited/canceled (29,273)
Unvested restricted stock units/ awards outstanding, Ending balance 81,721
Unvested and expected to vest restricted stock units/awards outstanding 50,193
Weighted-average grant date fair value per share, Unvested restricted stock units/ awards outstanding, Beginning balance | $ / shares $ 95.74
Weighted-average grant date fair value per share, Vested | $ / shares 89.76
Weighted-average grant date fair value per share, Forfeited/canceled | $ / shares 110.27
Weighted-average grant date fair value per share, Unvested restricted stock units/ awards outstanding, Ending balance | $ / shares 93.42
Weighted-average grant date fair value per share, Unvested and expected to vest restricted stock units/awards outstanding | $ / shares $ 86.23