Quarterly report pursuant to Section 13 or 15(d)

Stock Based Compensation - Summary of Activity Related to PSUs (Detail)

v3.21.2
Stock Based Compensation - Summary of Activity Related to PSUs (Detail) - Performance Shares [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 0
PSUs granted | shares 1,465,713
PSUs forfeited | shares (13,650)
PSUs / DSUs vested | shares (494,608)
Number of Options, Outstanding | shares 957,455
Weighted Average Grant Date Fair Value, Beginning Balance | $ / shares $ 0
Weighted Average Grant Date Fair Value, PSUs granted | $ / shares 4.23
Weighted Average Grant Date Fair Value, PSUs forfeited | $ / shares 4.29
Weighted Average Grant Date Fair Value, PSUs vested | $ / shares 4.51
Weighted Average Grant Date Fair Value, Ending Balance | $ / shares $ 4.08