XML 92 R82.htm IDEA: XBRL DOCUMENT v3.21.2
Equity-Based Compensation - 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]        
Authorized common stock 12,700,000   12,700,000  
Annual increments in employee grants     25.00%  
Equity incentive plan available for future grant 4,484,084   4,484,084  
Stock options, contractual term     10 years  
Equity-based compensation expense $ 8,923 $ 5,471 $ 24,988 $ 16,258
Unrecognized compensation expense related to unvested options     $ 48,500  
Vesting period     1 year 2 months 12 days  
Deferred income tax benefit     $ 8,995 45,105
Stock Compensation Plan [Member]        
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]        
Deferred income tax benefit $ 2,300 $ 1,400 $ 6,400 $ 4,200
Restricted Stock Award [Member] | Minimum [Member]        
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]        
Vesting period     3 years  
Restricted Stock Award [Member] | Maximum [Member]        
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]        
Vesting period     4 years  
Restricted Stock Units [Member] | Minimum [Member]        
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]        
Vesting period     2 years  
Number of shares issuable at the end of the vesting period, percentage     0.00%  
Restricted Stock Units [Member] | Maximum [Member]        
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]        
Vesting period     3 years  
Number of shares issuable at the end of the vesting period, percentage     200.00%