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Leases and Other Finance Obligations - Summary of Future Maturities of Lease Liabilities (Detail) - USD ($)
$ in Thousands
Mar. 31, 2021
Dec. 31, 2020
Finance Leases    
2021 (from April 1, 2021) $ 2,386  
2022 1,794  
2023 1,569  
2024 720  
2025 510  
Thereafter 1,572  
Total lease payments 8,551  
Less: amount representing interest (837)  
Present value of lease liabilities 7,714  
Less: current portion (2,592) $ (12,178)
Long-term lease liabilities, net of current portion 5,122 11,695
Operating Leases    
2021 (from April 1, 2021) 87,378  
2022 104,414  
2023 86,915  
2024 69,772  
2025 48,139  
Thereafter 140,525  
Total lease payments 537,143  
Less: amount representing interest (86,278)  
Present value of lease liabilities 450,865  
Less: current portion (94,316) (61,625)
Long-term lease liabilities, net of current portion $ 356,549 $ 219,239