Quarterly report pursuant to Section 13 or 15(d)

Share-Based Payment and Related Stock Option Plan - Additional Information (Detail)

v3.21.2
Share-Based Payment and Related Stock Option Plan - Additional Information (Detail) - USD ($)
$ in Thousands
3 Months Ended 9 Months Ended
Sep. 30, 2021
Sep. 30, 2020
Sep. 30, 2021
Sep. 30, 2020
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]        
Share-based payment arrangement, expense $ 3,933 $ 315 $ 4,564 $ 846
Share-based payment arrangement, non vested award, cost not yet recognized, amount $ 0   0  
Cancellation Agreements [Member]        
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]        
Payment of Option Cash Consideration     $ 4,075,000  
Cancellation Agreements [Member] | Common Stock [Member]        
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]        
Stock Issued During Period, Shares, New Issues     432,500  
Stock issued during the period value new issues     $ 3,377,825