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Leases - Additional Information (Detail)
9 Months Ended
Sep. 30, 2021
Leases [Line Items]  
Operating lease, weighted average remaining lease term 4 years 9 months 18 days
Finance lease, weighted average remaining lease term 3 years 3 months 18 days
Operating lease, weighted average discount rate, percent 5.60%
Finance lease, weighted average discount rate, percent 4.80%
Minimum [Member]  
Leases [Line Items]  
Operating and Financing leases, remaining lease terms 1 year
Maximum [Member]  
Leases [Line Items]  
Operating and Financing leases, remaining lease terms 10 years