Quarterly report pursuant to Section 13 or 15(d)

Stock Based Compensation - Schedule of Restricted Stock Units Activity (Detail)

v3.21.2
Stock Based Compensation - Schedule of Restricted Stock Units Activity (Detail) - Restricted Stock Units (RSUs) [Member]
6 Months Ended
Jun. 30, 2021
$ / shares
shares
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]  
Number of Options, Outstanding | shares 1,421,168
RSUs granted | shares 1,106,885
RSUs forfeited | shares (71,784)
RSUs vested | shares (926,053)
Number of Options, Outstanding | shares 1,530,216
Weighted Average Grant Date Fair Value, Beginning Balance | $ / shares $ 6.43
Weighted Average Grant Date Fair Value, RSUs granted | $ / shares 3.77
Weighted Average Grant Date Fair Value, RSUs forfeited | $ / shares 4.33
Weighted Average Grant Date Fair Value, RSUs vested | $ / shares 6.13
Weighted Average Grant Date Fair Value, Ending Balance | $ / shares $ 4.78