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Leases - Schedule of Details of Rent Expense (Details) - USD ($)
$ in Thousands
 12 Months Ended
Dec. 31, 2020
Dec. 31, 2019
Dec. 31, 2018
Lessee, Lease, Description [Line Items]      
Operating lease expense - Minimum rentals $ (99,723) $ (146,577) $ (143,938)
Variable lease expense - Contingent rentals based on sales (39,401) (42,440) (48,516)
Total lease expense (139,124) (189,017) (192,454)
General and administrative expenses      
Lessee, Lease, Description [Line Items]      
Operating lease expense - Minimum rentals (7,062) (7,614) (7,610)
Company-operated restaurants | Occupancy and other operating expenses      
Lessee, Lease, Description [Line Items]      
Operating lease expense - Minimum rentals (69,151) (104,236) (105,358)
Variable lease expense - Contingent rentals based on sales (26,153) (29,562) (33,921)
Franchised restaurants | Franchised restaurants - occupancy expenses      
Lessee, Lease, Description [Line Items]      
Operating lease expense - Minimum rentals (23,510) (34,727) (30,970)
Variable lease expense - Contingent rentals based on sales $ (13,248) $ (12,878) $ (14,595)