Note 6 - Long-term Debt - Long-term Debt (Details) - USD ($) $ in Thousands	Dec. 31, 2024	Dec. 31, 2023
Principal	$ 635,029	$ 635,077
Deferred Financing Costs, Net	(9,575)	(13,252)
Balance	625,454	621,825
Principal, Current	(29)	(47)
Deferred Financing Costs, Net, Current	0	0
Balance, Current	(29)	(47)
Principal, Non-current	635,000	635,030
Deferred Financing Costs, Net, Non-current	(9,575)	(13,252)
Balance, Non-current	625,425	621,778
The 6.75% Note [Member]
Principal	360,000	360,000
Deferred Financing Costs, Net	(4,576)	(6,771)
Balance	355,424	353,229
The 9.00% Note [Member]
Principal	275,000	275,000
Deferred Financing Costs, Net	(4,999)	(6,481)
Balance	270,001	268,519
Other Debt [Member]
Principal	29	77
Deferred Financing Costs, Net	0	0
Balance	$ 29	$ 77