Leases - Additional Information (Detail) $ in Thousands	9 Months Ended
	Sep. 30, 2020 USD ($)
Lessee Lease Description [Line Items]
Operating lease, existence of option to extend	true
Operating lease, option to extend lease terms, description	Operating lease payments include $13.4 million related to options to extend lease terms that are reasonably certain of being exercised
Operating lease payments	$ 98,220
Options to Extend Lease Terms [Member]
Lessee Lease Description [Line Items]
Operating lease payments	$ 13,400
Minimum [Member]
Lessee Lease Description [Line Items]
Operating lease renewal term	1 year
Maximum [Member]
Lessee Lease Description [Line Items]
Operating lease renewal term	5 years