Note 14 - Segment and Geographic Distribution of Operations (Tables)

12 Months Ended

Dec. 31, 2023

Notes Tables

Schedule of Segment Reporting Information, by Segment [Table Text Block]

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

Entity Wide Major Customer Amount [Table Text Block]

	Year Ended December 31,
	2023			2022			2021
Eni S.p.A		10.3	%		*			*
Chevron Corporation		*			12.3	%		15.7	%
Saudi Aramco		*			*			11.8	%