Note 8 - Assets Held for Sale, Asset Sales and Asset Impairments (Tables)

12 Months Ended

Dec. 31, 2024

Notes Tables

Disclosure of Long-Lived Assets Held-for-Sale [Table Text Block]

(In Thousands, except number of vessels)	Number of Vessels		2024	Number of Vessels			2023		Number of Vessels			2022
Beginning balance	—	$	—	8		$	4,195		18		$	14,421
Additions	—		—	—			—		3			2,561
Sales	—		—	(8	)		(4,195	)	(12	)		(11,287	)
Reactivation	—		—	—			—		(1	)		(1,500	)
Ending balance	—	$	—	—		$	—		8		$	4,195

Schedule Of Gain Loss On Disposition Of Assets [Table Text Block]

(In Thousands, except number of vessels)	2024		2023		2022
Vessels sold from active fleet		6		7		2
Gain on sale of active vessels, net	$	15,677	$	5,613	$	553
Vessels sold/recycled from assets held for sale		—		8		12
Gain on vessels sold/recycled from assets held for sale, net	$	—	$	3,088	$	5
Total vessels sold/recycled		6		15		14
Total gain on sales of vessels, net	$	15,677	$	8,701	$	558