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Debt - Principal Payments Due for Debt (Detail) - USD ($)
$ in Thousands
Mar. 31, 2021
Dec. 31, 2020
Debt Disclosure [Abstract]    
2022 $ 586,500  
2023 551,320  
2024 1,090,939  
2025 1,551,310  
Thereafter 6,298,535  
Total $ 10,078,604 $ 8,934,187