Quarterly report pursuant to Section 13 or 15(d)

Equity Based Awards - Summary of Stock-based Compensation based on Awards Granted (Detail)

v3.21.2
Equity Based Awards - Summary of Stock-based Compensation based on Awards Granted (Detail) - USD ($)
3 Months Ended 9 Months Ended
Sep. 30, 2021
Sep. 30, 2020
Sep. 30, 2021
Sep. 30, 2020
Share-based Payment Arrangement, Expensed and Capitalized, Amount [Line Items]        
Stock based compensation expense $ 2,800,000 $ 521,000 $ 5,774,000 $ 1,528,000
Stock Options        
Share-based Payment Arrangement, Expensed and Capitalized, Amount [Line Items]        
Stock based compensation expense 1,048,000 521,000 3,430,000 1,528,000
Restricted Stock Units        
Share-based Payment Arrangement, Expensed and Capitalized, Amount [Line Items]        
Stock based compensation expense $ 1,752 $ 0 $ 2,344 $ 0