Note 7 - Long-term Debt - Long-term Debt (Details) - USD ($) $ in Thousands		Mar. 31, 2025	Dec. 31, 2024
Discounts, net (a)	[1]	$ (14,771)	$ (17,197)
Debt issuance costs, net (b)	[2]	(12,385)	(14,419)
Total debt		1,022,844	1,048,384
Less current maturities of long-term debt		(120,000)	(120,000)
Long-term debt, net		902,844	928,384
Revolving Credit Facility [Member]
Debt, gross		1,050,000	1,080,000
Senior Credit Facility Agreement Due 2026 [Member]
Debt, gross		$ 0	$ 0

[1] Discounts as of March 31, 2025 and December 31, 2024 consisted of $30.0 million in discounts less accumulated amortization of $15.2 million and $12.8 million, respectively.

[2] Debt issuance costs as of March 31, 2025 and December 31, 2024 consisted of $25.1 million and $25.1 million, respectively, in costs less accumulated amortization of $12.7 million and $10.7 million, respectively.