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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]        
Operating lease, cost $ 76,739 $ 78,261 $ 235,473 $ 233,427
Variable lease, cost 13,494 19,030 41,238 55,047
Gain (loss) on disposition of assets 1,304 199 4,823 5,360
Operating lease, cash payments     234,400 262,327
Direct advertising expenses (exclusive of depreciation and amortization) $ 136,309 148,846 $ 419,862 435,706
Operating lease, weighted average remaining lease term 12 years   12 years  
Operating lease, weighted average discount rate 4.50%   4.50%  
Leased assets obtained in exchange for operating lease liability     $ 25,250 31,620
Advertising [Member]        
Lessee Lease Description [Line Items]        
Direct advertising expenses (exclusive of depreciation and amortization) $ 1,172 1,131 3,679 3,357
Termination of Lease Agreements [Member]        
Lessee Lease Description [Line Items]        
Gain (loss) on disposition of assets $ 76 $ (36) $ (241) $ 3,875