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Leases - Additional Information (Detail)
9 Months Ended
Sep. 30, 2021
Lessee Lease Description [Line Items]  
Lessee operating and financing lease existence of option to terminate true
Lessee operating and financing leases, period of options to terminate 1 year
Lessee, operating and finance lease, existence of option to extend true
Minimum [Member]  
Lessee Lease Description [Line Items]  
Operating and financing leases, remaining lease terms 1 year
Maximum [Member]  
Lessee Lease Description [Line Items]  
Operating and financing leases, remaining lease terms 7 years