Quarterly report pursuant to Section 13 or 15(d)

Stock Compensation - Summary of Unvested Shares (Detail)

v3.21.2
Stock Compensation - Summary of Unvested Shares (Detail)
9 Months Ended
Sep. 30, 2021
$ / shares
shares
Disclosure Of Compensation Related Costs Sharebased Payments [Abstract]  
Unvested, Shares, Beginning of Period | shares 3,112,023
Granted, Shares | shares 916,800
Vested, Shares | shares (1,072,858)
Cancelled, Shares | shares (15,999)
Unvested, Shares, End of Period | shares 2,939,966
Unvested, Weighted Average Grant-Date Fair Value, Beginning of Period | $ / shares $ 35.06
Granted, Weighted Average Grant-Date Fair Value | $ / shares 44.17
Vested, Weighted Average Grant-Date Fair Value | $ / shares 34.34
Cancelled, Weighted Average Grant-Date Fair Value | $ / shares 34.16
Unvested, Weighted Average Grant-Date Fair Value, End of Period | $ / shares $ 38.17