Note 7 - Long-term Debt - Long-term Debt (Details) - USD ($) $ in Thousands		Mar. 31, 2024	Dec. 31, 2023
Discounts, net (a)	[1]	$ (24,609)	$ (27,062)
Debt issuance costs, net (b)	[2]	(20,593)	(22,639)
Total debt		1,124,798	1,150,299
Less current maturities of long-term debt		(120,000)	(120,000)
Long-term debt, net		1,004,798	1,030,299
Revolving Credit Facility [Member]
Debt, gross		1,170,000	1,200,000
Senior Credit Facility Agreement Due 2026 [Member]
Debt, gross		$ 0	$ 0

[1] Discounts as of March 31, 2024 and December 31, 2023 consisted of $30.0 million in discounts less accumulated amortization of $5.4 million and $2.9 million, respectively.

[2] Debt issuance costs as of March 31, 2024 and December 31, 2023 consisted of $25.1 million and $25.0 million, respectively, in costs less accumulated amortization of $4.5 million and $2.4 million, respectively.