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Note 14 - Segment and Geographic Distribution of Operations - Segment Reporting Information (Details) - USD ($) $ in Thousands | 12 Months Ended
--- | ---
Dec. 31, 2023 | Dec. 31, 2022 | Dec. 31, 2021
Revenue | $ 1,009,985 | $ 647,684 | $ 371,033
Corporate expenses | 827,770 | 620,976 | 466,049
Gain (loss) on asset dispositions, net | 8,701 | 250 | (2,901)
Affiliate credit loss impairment expense | 0 | 0 | (400)
Long-lived asset impairments and other | 0 | (714) | (15,643)
Operating income (loss) | 182,215 | 26,708 | (95,016)
Depreciation and amortization | 180,331 | 119,160 | 114,544
Property Plant And Equipment Additions | 45,852 | 16,637 | 8,951
Total Assets | 2,062,774 | 1,297,656 | 1,095,780
Vessel [Member] |  |  |
Revenue | 998,993 | 641,404 | 361,569
Product and Service, Other [Member] |  |  |
Revenue | 10,992 | 6,280 | 9,464
Operating Segments [Member] |  |  |
Gross Profit | 219,168 | 80,755 | (39,164)
Operating Segments [Member] | Vessel [Member] |  |  |
Gross Profit | 212,518 | 76,605 | (46,397)
Operating Segments [Member] | Product and Service, Other [Member] |  |  |
Revenue | 10,992 | 6,280 | 9,464
Gross Profit | 6,650 | 4,150 | 7,233
Operating Segments [Member] | Americas [Member] |  |  |
Depreciation and amortization | 41,215 | 29,920 | 30,856
Property Plant And Equipment Additions | 2,916 | 4,468 | 0
Total Assets | 418,151 | 309,985 | 278,394
Operating Segments [Member] | Americas [Member] | Vessel [Member] |  |  |
Revenue | 237,205 | 146,871 | 102,151
Gross Profit | 42,964 | 12,016 | (11,270)
Operating Segments [Member] | Asia Pacific [Member] |  |  |
Depreciation and amortization | 10,669 | 5,960 | 4,484
Property Plant And Equipment Additions | 7,839 | 317 | (42)
Total Assets | 167,085 | 148,684 | 28,564
Operating Segments [Member] | Asia Pacific [Member] | Vessel [Member] |  |  |
Revenue | 122,235 | 64,231 | 18,142
Gross Profit | 38,471 | 3,726 | 4,896
Operating Segments [Member] | Middle East [Member] |  |  |
Depreciation and amortization | 26,566 | 24,236 | 21,508
Property Plant And Equipment Additions | 3,016 | 3,911 | 0
Total Assets | 191,927 | 197,054 | 154,723
Operating Segments [Member] | Middle East [Member] | Vessel [Member] |  |  |
Revenue | 135,375 | 110,375 | 84,395
Gross Profit | (1,051) | (1,093) | (6,070)
Operating Segments [Member] | Europe and Mediterranean [Member] |  |  |
Depreciation and amortization | 63,152 | 27,734 | 28,163
Property Plant And Equipment Additions | 7,320 | 1,302 | 764
Total Assets | 671,626 | 282,670 | 293,760
Operating Segments [Member] | Europe and Mediterranean [Member] | Vessel [Member] |  |  |
Revenue | 230,217 | 129,578 | 80,914
Gross Profit | 33,687 | 18,844 | (16,968)
Operating Segments [Member] | West Africa [Member] |  |  |
Depreciation and amortization | 36,508 | 28,534 | 26,196
Property Plant And Equipment Additions | 19,593 | 2,923 | 6,341
Total Assets | 421,054 | 285,965 | 223,988
Operating Segments [Member] | West Africa [Member] | Vessel [Member] |  |  |
Revenue | 273,961 | 190,349 | 75,967
Gross Profit | 98,447 | 43,112 | (16,985)
Corporate, Non-Segment [Member] |  |  |
Corporate expenses | (45,654) | (53,583) | (36,908)
Depreciation and amortization | 2,221 | 2,776 | 3,337
Property Plant And Equipment Additions | 5,168 | 3,716 | 1,888
Total Assets | $ 192,931 | $ 73,298 | $ 116,351

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