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Note 12 - Segment and Geographic Distribution of Operations - Segment Reporting Information (Details) - USD ($) $ in Thousands | 3 Months Ended |
--- | --- | ---
Mar. 31, 2025 | Mar. 31, 2024 | Dec. 31, 2024
Revenue | $ 333,444 | $ 321,164 |
Total vessel operating costs | 164,979 | 167,556 |
General and Administrative Expense | 29,094 | 25,329 |
Depreciation and amortization | 65,432 | 56,270 |
Additions to properties and equipment | 19,364 | 10,942 |
Total assets | 2,066,166 | 2,077,816 | $ 2,074,904
Costs of other operating revenues | 1,430 | 1,150 |
Corporate expenses | 258,397 | 239,266 |
Gain on asset dispositions, net | 2,538 | 11,039 |
Operating income | 75,047 | 81,898 |
Operating Segments [Member] |  |  |
Revenue | 333,444 | 321,164 |
Crew costs | 97,113 | 102,352 |
Repair and maintenance | 21,954 | 21,348 |
Insurance | 3,034 | 2,580 |
Fuel, lube and supplies | 14,378 | 17,318 |
Other | 28,500 | 23,958 |
Total vessel operating costs | 164,979 | 167,556 |
General and Administrative Expense | 15,108 | 13,337 |
Depreciation and amortization | 64,483 | 55,524 |
Operating profit | 87,444 | 83,597 |
Additions to properties and equipment | 17,525 | 10,227 |
Total assets | 1,868,191 | 1,874,382 |
Costs of other operating revenues | 1,430 | 1,150 |
Operating Segments [Member] | Americas [Member] |  |  |
Crew costs | 17,440 | 24,062 |
Repair and maintenance | 4,266 | 4,534 |
Insurance | 571 | 494 |
Fuel, lube and supplies | 2,617 | 4,522 |
Other | 10,129 | 5,928 |
Total vessel operating costs | 35,023 | 39,540 |
General and Administrative Expense | 3,542 | 3,332 |
Depreciation and amortization | 11,392 | 10,943 |
Operating profit | 4,895 | 10,126 |
Additions to properties and equipment | 1,933 | 3,495 |
Total assets | 354,153 | 388,140 |
Operating Segments [Member] | Asia Pacific [Member] |  |  |
Crew costs | 20,331 | 19,306 |
Repair and maintenance | 2,270 | 2,769 |
Insurance | 324 | 273 |
Fuel, lube and supplies | 1,767 | 1,937 |
Other | 2,118 | 2,491 |
Total vessel operating costs | 26,810 | 26,776 |
General and Administrative Expense | 2,420 | 2,126 |
Depreciation and amortization | 5,318 | 4,032 |
Operating profit | 13,680 | 14,847 |
Additions to properties and equipment | 592 | 194 |
Total assets | 162,329 | 193,734 |
Operating Segments [Member] | Middle East [Member] |  |  |
Crew costs | 13,280 | 13,270 |
Repair and maintenance | 4,100 | 4,508 |
Insurance | 529 | 420 |
Fuel, lube and supplies | 2,039 | 2,304 |
Other | 4,588 | 6,006 |
Total vessel operating costs | 24,536 | 26,508 |
General and Administrative Expense | 2,937 | 2,622 |
Depreciation and amortization | 7,266 | 7,273 |
Operating profit | 8,563 | 1,529 |
Additions to properties and equipment | 854 | 834 |
Total assets | 188,242 | 183,945 |
Operating Segments [Member] | Europe and Mediterranean [Member] |  |  |
Crew costs | 27,111 | 26,282 |
Repair and maintenance | 6,711 | 5,493 |
Insurance | 848 | 756 |
Fuel, lube and supplies | 3,147 | 4,094 |
Other | 4,738 | 4,359 |
Total vessel operating costs | 42,555 | 40,984 |
General and Administrative Expense | 3,663 | 3,202 |
Depreciation and amortization | 24,609 | 21,438 |
Operating profit | 7,378 | 14,757 |
Additions to properties and equipment | 1,314 | 5,493 |
Total assets | 635,046 | 669,886 |
Operating Segments [Member] | West Africa [Member] |  |  |
Crew costs | 18,951 | 19,432 |
Repair and maintenance | 4,607 | 4,044 |
Insurance | 762 | 637 |
Fuel, lube and supplies | 4,808 | 4,461 |
Other | 6,927 | 5,174 |
Total vessel operating costs | 36,055 | 33,748 |
General and Administrative Expense | 2,546 | 2,055 |
Depreciation and amortization | 15,898 | 11,838 |
Operating profit | 51,613 | 41,010 |
Additions to properties and equipment | 12,832 | 211 |
Total assets | 528,421 | 438,677 |
Segment Reporting, Reconciling Item, Corporate Nonsegment [Member] |  |  |
Additions to properties and equipment | 1,839 | 715 |
Total assets | 197,975 | 203,434 |
Corporate expenses | (14,935) | (12,738) |
Vessel [Member] |  |  |
Revenue | 330,699 | 318,686 |
Vessel [Member] | Operating Segments [Member] |  |  |
Revenue | 330,699 | 318,686 |
Vessel [Member] | Operating Segments [Member] | Americas [Member] |  |  |
Revenue | 54,852 | 63,941 |
Vessel [Member] | Operating Segments [Member] | Asia Pacific [Member] |  |  |
Revenue | 48,228 | 47,781 |
Vessel [Member] | Operating Segments [Member] | Middle East [Member] |  |  |
Revenue | 43,302 | 37,932 |
Vessel [Member] | Operating Segments [Member] | Europe and Mediterranean [Member] |  |  |
Revenue | 78,205 | 80,381 |
Vessel [Member] | Operating Segments [Member] | West Africa [Member] |  |  |
Revenue | 106,112 | 88,651 |
Product and Service, Other [Member] |  |  |
Revenue | 2,745 | 2,478 |
Product and Service, Other [Member] | Operating Segments [Member] |  |  |
Revenue | $ 2,745 | $ 2,478 |

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