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Share-Based Compensation - Additional Information (Details) - USD ($)
$ / shares in Units, $ in Millions
9 Months Ended
Jun. 04, 2021
Jan. 04, 2021
Sep. 30, 2021
Sep. 30, 2020
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]        
Weighted average grant-date fair value of stock options granted (in dollars per share)     $ 7.01 $ 4.65
Aggregate intrinsic value of stock options exercised     $ 0.6 $ 0.9
SERP        
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]        
Shares authorized for issuance (in shares)     1,000,000  
Remaining shares authorized for issuance (in shares)     300,000  
2020 Omnibus Incentive Plan        
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]        
Common stock reserved for future issuance (in shares)     4,900,000  
Shares available for future grant (in shares)     2,000,000  
Maximum term of grants     10 years  
Stock options        
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]        
Unrecognized compensation cost     $ 20.0  
Period of expense of unrecognized compensation cost, years     2 years 10 months 24 days  
RSUs        
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]        
Granted (in shares)     262,000 300,000
Weighted average grant date fair value of stock granted (in dollars per share)     $ 28.53 $ 24.43
Restricted stock        
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]        
Granted (in shares)     0 0
PSUs        
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]        
Unrecognized compensation cost     $ 0.9  
Period of expense of unrecognized compensation cost, years     2 years 4 months 24 days  
Granted (in shares)   35,000 35,000  
Weighted average grant date fair value of stock granted (in dollars per share)     $ 34.52  
Vesting period     3 years  
DSUs        
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]        
Unrecognized compensation cost     $ 0.2  
Period of expense of unrecognized compensation cost, years     8 months 12 days  
Granted (in shares) 10,000      
Vesting period 1 year      
Payout period 5 years      
ESPP        
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]        
Shares available for future grant (in shares)     2,100,000  
Average weekly hours of work     20 hours  
Requisite service period for plan participation eligibility     2 years  
Stock options authorized to issue to employees (in shares)     4,100,000