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Voyage revenues (Details Narrative) - USD ($) $ in Thousands | 12 Months Ended
--- | ---
Dec. 31, 2023 | Dec. 31, 2022 | Dec. 31, 2021
Revenues from External Customers and Long-Lived Assets [Line Items] |  |  |
Trade accounts receivable | $ 68,624 | $ 84,034 |
Unrearned revenue | 16,738 | 16,684 |
Other Assets, Current | 22,830 | 14,913 |
Demurrage income | 13,649 | 32,435 | $ 59,032
Revenues | 949,269 | 1,437,156 | 1,427,423
Charter In Vessels [Member] |  |  |
Revenues from External Customers and Long-Lived Assets [Line Items] |  |  |
Revenues | 24,892 | 35,420 | 20,215
Sublease Income | 3,643 | 10,208 | 1,212
Voyage Charter Agreements [Member] |  |  |
Revenues from External Customers and Long-Lived Assets [Line Items] |  |  |
Trade accounts receivable | 24,223 | 24,144 |
Unrearned revenue | 5,556 | 9,215 |
Decrease in unearned revenue | 3,659 |  |
Revenue Contracts [Member] |  |  |
Revenues from External Customers and Long-Lived Assets [Line Items] |  |  |
Other Assets, Current | 4,275 | 4,366 |
Scrubber Revenue [Member] |  |  |
Revenues from External Customers and Long-Lived Assets [Line Items] |  |  |
Operating Lease, Lease Income | 54,943 | 99,104 | 47,824
Vessels Operating in CCL Pool [Member] |  |  |
Revenues from External Customers and Long-Lived Assets [Line Items] |  |  |
Operating Lease, Lease Income | 4,551 | 4,965 | (4,188)
Vessels Operating In Short Pool [Member] |  |  |
Revenues from External Customers and Long-Lived Assets [Line Items] |  |  |
Operating Lease, Lease Income | 0 | 147 | (328)
Vessels Operating With Other Parties [Member] |  |  |
Revenues from External Customers and Long-Lived Assets [Line Items] |  |  |
Voyage revenues | $ (662) | $ (492) | $ 3,351

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