Leases - Additional Information (Detail) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2021	Mar. 31, 2020
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 30 years.
Weighted average remaining lease term	9 years 8 months 12 days	11 years 1 month 6 days
Weighted average discount rate	6.30%	6.30%
Lease cost	$ 2,720	$ 3,188
Corporate Expenses
Lessee Lease Description [Line Items]
Lease cost	100	200
Direct Operating Expenses
Lessee Lease Description [Line Items]
Lease cost	1,400	1,600
Selling, General and Administrative Expenses
Lessee Lease Description [Line Items]
Lease cost	$ 1,200	$ 1,400
Maximum
Lessee Lease Description [Line Items]
Remaining term of leases	30 years