Quarterly report pursuant to Section 13 or 15(d)

Leases - Additional Information (Detail)

v3.21.1
Leases - Additional Information (Detail) - USD ($)
$ in Millions
3 Months Ended
Mar. 31, 2021
Mar. 31, 2020
Selling, General and Administrative Expenses, and Depreciation and Amortization Expenses [Member]    
Operating lease expense $ 2.4 $ 2.0
Minimum [Member]    
Sublease lease term 1 year  
Maximum [Member]    
Sublease lease term 15 years