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Property and Equipment - Additional Information (Details) - USD ($)
$ in Thousands
 12 Months Ended
Dec. 31, 2020
Dec. 31, 2019
Dec. 31, 2018
Property Plant And Equipment [Line Items]      
Property and equipment, net $ 570,856 $ 565,916  
Finance lease, right-of-use asset 11,700 14,000  
Finance lease, amortization of right-of-use asset 2,200 2,300  
Accumulated Depreciation, Depletion and Amortization, Property, Plant, and Equipment 218,345 196,611  
Assets Held under Finance Leases [Member]      
Property Plant And Equipment [Line Items]      
Accumulated Depreciation, Depletion and Amortization, Property, Plant, and Equipment 51,300 42,800 $ 49,300
Impairment charge. Property, Plant, and Equipment 9,100 $ 4,500 $ 8,100
Property Subject to Operating Lease [Member]      
Property Plant And Equipment [Line Items]      
Property and equipment, net $ 481,900