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Stock-Based Compensation - Summary of Restricted Stock Units (Detail) - Restricted Stock Units (RSUs) - USD ($)
$ / shares in Units, $ in Thousands
9 Months Ended
Jul. 28, 2020
Sep. 30, 2021
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Nonvested, Number of Shares    
Nonvested RSU's beginning balance (shares)   2,873,655
Granted (shares) 5,632 1,559,588
Vested (shares)   (716,879)
Forfeited (shares)   (370,192)
Nonvested RSU's ending balance (shares)   3,346,172
Weighted Average Grant Date Fair Value Per Share    
Beginning balance (in dollars per share)   $ 15.35
Granted (in dollars per share) $ 16.79 18.68
Vested (in dollars per share)   15.26
Forfeited (in dollars per share)   13.42
Ending balance (in dollars per share)   $ 17.14
Aggregate intrinsic value, beginning balance   $ 50,404
Aggregate intrinsic value, ending balance   $ 70,337