Leases - Additional Information (Detail) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2021	Mar. 31, 2020
Lessee, Lease, Description [Line Items]
Operating lease, cost	$ 72,471	$ 80,402
Variable lease, cost	15,244	17,444
Gain on disposition of assets	(415)	(2,504)
Operating lease, cash payments	102,082	103,063
Direct advertising expenses (exclusive of depreciation and amortization)	$ 131,215	149,494
Operating lease, weighted average remaining lease term	12 years 1 month 6 days
Operating lease, weighted average discount rate	4.70%
Leased assets obtained in exchange for operating lease liability	$ 3,767	5,082
Amortization expense	713
Interest expense	150
Principal payments on financing leases	$ (483)	0
Weighted-average remaining lease term	6 years 8 months 12 days
Weighted-average discount rate	3.10%
Advertising [Member]
Lessee, Lease, Description [Line Items]
Direct advertising expenses (exclusive of depreciation and amortization)	$ 1,380	1,258
Termination of Lease Agreements [Member]
Lessee, Lease, Description [Line Items]
Gain on disposition of assets	$ (6)	$ 51