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Share-Based Compensation - Additional Information (Detail)
$ in Millions
3 Months Ended
Mar. 31, 2021
USD ($)
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]  
Non-qualified stock option awards vesting period 3 years
Non-qualified stock option awards expiration term 10 years
Aggregate intrinsic value of the in-the-money $ 2.0
Stock Option [Member]  
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]  
Unrecognized compensation cost related to non-vested share-based compensation arrangements for outstanding stock option awards $ 3.3
Weighted average period to recognize unrecognized share-based compensation cost 2 years 4 months 24 days