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Commitments and Contingencies - Other Commitments (Details) - Sinking fund payments
$ in Thousands
Dec. 31, 2021
USD ($)
Other Commitments [Line Items]  
Total $ 172,601
2022 6,688
2023 8,025
2024 15,789
2025 15,789
2026 15,789
Thereafter $ 110,521