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

12 Months Ended

Dec. 31, 2023

Notes Tables

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

(In Thousands, except number of vessels)	Number of Vessels			2023		Number of Vessels			2022		Number of Vessels			2021
Beginning balance	8		$	4,195		18		$	14,421		23		$	34,396
Additions	—			—		3			2,561		7			18,096
Sales	(8	)		(4,195	)	(12	)		(11,287	)	(9	)		(15,433	)
Reactivation	—			—		(1	)		(1,500	)	(3	)		(7,250	)
Impairment	—			—		—			—		—			(15,388	)
Ending balance	—		$	—		8		$	4,195		18		$	14,421

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

(In Thousands, except number of vessels)	2023		2022		2021
Vessels sold from active fleet		7		2		10
Gain on sale of active vessels, net	$	5,613	$	553	$	3,499
Vessels sold/recycled from assets held for sale		8		12		9
Gain (loss) on vessels sold/recycled from assets held for sale, net	$	3,088	$	5	$	(6,209	)
Total vessels sold/recycled		15		14		19
Total gain (loss) on sales of vessels, net	$	8,701	$	558	$	(2,710	)