Leases - Additional Information (Detail)	9 Months Ended
	Sep. 30, 2019
Minimum
Lessee Lease Description [Line Items]
Operating and Finance leases, remaining lease terms	1 year
Maximum
Lessee Lease Description [Line Items]
Operating and Finance leases, remaining lease terms	30 years
Operating and Financing leases, options to extend leases term	5 years
Operating and Finance leases, options to terminate leases term	1 year