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Voyage revenues (Details Narrative) - USD ($) $ in Thousands | 12 Months Ended
--- | ---
Dec. 31, 2021 | Dec. 31, 2020 | Dec. 31, 2019
Revenues from External Customers and Long-Lived Assets [Line Items] |  |  |
Gross trade accounts receivable | $ 43,227 |  |
Increase (Decrease) in Deferred Revenue | 13,285 | $ 4,301 | $ (3,481)
Increase (Decrease) in Prepaid Expense and Other Assets | (19,012) | (2,211) | (14,940)
Other Assets, Current | 15,217 | 12,991 |
Deferred Revenue, Current | 24,960 | 11,675 |
Voyage revenues | 1,427,423 | 693,241 | 821,365
Revenues | 1,427,423 | 693,241 | 821,365
Charter In Vessels [Member] |  |  |
Revenues from External Customers and Long-Lived Assets [Line Items] |  |  |
Revenues | 20,215 | 36,234 | 185,311
Sublease Income | 1,212 | 243 | 15,253
Revenue Contracts [Member] |  |  |
Revenues from External Customers and Long-Lived Assets [Line Items] |  |  |
Increase (Decrease) in Prepaid Expense and Other Assets | 2,736 |  |
Other Assets, Current | 4,923 | 2,187 |
Vessels Operating in CCL Pool [Member] |  |  |
Revenues from External Customers and Long-Lived Assets [Line Items] |  |  |
Voyage revenues | (4,188) | (3,695) | $ 9,524
Vessels Operating In Short Pool [Member] |  |  |
Revenues from External Customers and Long-Lived Assets [Line Items] |  |  |
Voyage revenues | (328) | $ 1,923 |
Vessels Operating With Other Parties [Member] |  |  |
Revenues from External Customers and Long-Lived Assets [Line Items] |  |  |
Voyage revenues | $ 3,351 |  |

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