Leases - Additional Information (Detail) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2020	Sep. 30, 2019	Sep. 30, 2020	Sep. 30, 2019
Lessee Lease Description [Line Items]
Remaining term description of leases			The Company’s existing leases have remaining terms of less than one year up to 31 years.
Weighted average remaining lease term	10 years 2 months 12 days		10 years 2 months 12 days
Weighted average discount rate	6.20%		6.20%
Lease cost	$ 2,769	$ 3,234	$ 8,577	$ 9,270
Corporate Expenses
Lessee Lease Description [Line Items]
Lease cost	200	200	600	600
Direct Operating Expenses
Lessee Lease Description [Line Items]
Lease cost	1,400	1,600	4,400	4,300
Selling, General and Administrative Expenses
Lessee Lease Description [Line Items]
Lease cost	$ 1,200	$ 1,400	$ 3,600	$ 4,400
Maximum
Lessee Lease Description [Line Items]
Remaining term of leases			31 years