Note 7 - Long-term Debt - Long-term Debt (Details) - USD ($) $ in Thousands		Dec. 31, 2023	Sep. 12, 2023	Dec. 31, 2022
Discounts, net (a)	[1]	$ (27,062)		$ (27,086)
Debt issuance costs, net (b)	[2]	(22,639)		(13,565)
Total debt		1,150,299		704,349
Less current portion of long-term debt		(120,000)		0
Long-term debt, net		1,030,299		704,349
Senior Unsecured Notes Due 2024 [Member]
Long-term debt		0		225,000
Discounts, net (a)		(64,800)	$ (3,200)
Revolving Credit Facility [Member]
Long-term debt		1,200,000		0
Senior Credit Facility Agreement Due 2026 [Member]
Long-term debt		0		0
Prior Credit Agreement [Member]
Long-term debt		0		270,000
The 10.625% Senior Notes [Member]
Long-term debt		$ 0		$ 250,000

[1] Discounts as of December 31, 2023 and 2022 consisted of $30.0 million and $34.8 million, respectively, in discounts less accumulated amortization of $2.9 million and $7.7 million, respectively.

[2] Debt issuance costs as of December 31, 2023 and 2022 consisted of $25.0 million and $19.7 million, respectively, in costs less accumulated amortization of $2.4 million and $6.1 million, respectively.