Quarterly report pursuant to Section 13 or 15(d)

Summary of Unvested Stock Option Activity (Detail)

v3.22.1
Summary of Unvested Stock Option Activity (Detail) - $ / shares
3 Months Ended
Mar. 31, 2022
Mar. 31, 2021
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]    
Granted $ 0 $ 26.75
Stock Options    
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]    
Beginning Balance 5,000  
Granted 0  
Vested (1,000)  
Forfeited or cancelled (1,000)  
Ending Balance 3,000  
Beginning Balance $ 17.50  
Granted 0  
Vested 24.50  
Forfeited or cancelled 12.75  
Ending Balance $ 17.25