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Long-term debt - Principal Payments (Detail)
$ in Thousands
Dec. 31, 2021
USD ($)
Long-term Debt, Fiscal Year Maturity [Abstract]  
2022 $ 834,645
2023 125,520
2024 374,550
2025 44,951
2026 1,172,284
Thereafter 3,671,384
Total $ 6,223,334