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

12 Months Ended

Dec. 31, 2022

Notes Tables

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

(In Thousands, except number of vessels)	Number of Vessels			2022		Number of Vessels			2021		Number of Vessels			2020
Beginning balance	18		$	14,421		23		$	34,396		46		$	39,287
Additions	3			2,561		7			18,096		32			97,663
Sales	(12	)		(11,287	)	(9	)		(15,433	)	(53	)		(26,877	)
Reactivation	(1	)		(1,500	)	(3	)		(7,250	)	(2	)		(500	)
Impairment	—			—		—			(15,388	)	—			(75,177	)
Ending balance	8		$	4,195		18		$	14,421		23		$	34,396

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

(In Thousands, except number of vessels)	2022		2021			2020
Vessels sold from active fleet		2		10			3
Gain on sale of active vessels, net	$	553	$	3,499		$	1,217
Vessels sold from assets held for sale		12		9			53
Gain (loss) on vessels sold from assets held for sale, net	$	5	$	(6,209	)	$	6,384
Total vessels sold		14		19			56
Total gain (loss) on sales of vessels, net	$	558	$	(2,710	)	$	7,601

Schedule of Asset Impairment Charges [Table Text Block]

(In Thousands, except number of vessels)	Number of Vessels		2022		Number of Vessels		2021		Number of Vessels		2020
Assets held for sale	—	$	—		8	$	15,388		47	$	75,177
Reactivation of asset held for sale	1		(500	)	1		(1,650	)	—		—
Obsolete inventory	—		1,214		—		1,905		—		2,959
Other	—		—		—		—		—		(4,027	)
Total impairment and other expense		$	714			$	15,643			$	74,109