Note 7 - Debt, Credit Agreement and Leases (Tables)

9 Months Ended

Sep. 30, 2023

Table Text Block [Abstract]

Schedule of Long-Term Debt Instruments

	September 30, 2023
	Senior Notes			IQ Notes		Total
Principal	$	475,000		$	35,677	$	510,677
Unamortized discount/premium and issuance costs		(3,958	)		284		(3,674	)
Long-term debt balance	$	471,042		$	35,961	$	507,003

	December 31, 2022
	Senior Notes			IQ Notes		Total
Principal	$	475,000		$	35,614	$	510,614
Unamortized discount/premium and issuance costs		(4,640	)		392		(4,248	)
Long-term debt balance	$	470,360		$	36,006	$	506,366

Schedule of Maturities of Long Term Debt and Finance and Operating Lease Liabilities

Twelve-month period ending September 30,	Senior Notes		IQ Notes		Finance Leases			Operating Leases
2024	$	34,438	$	2,324	$	9,313		$	1,802
2025		34,438		37,468		8,888			1,277
2026		34,438		—		6,415			1,273
2027		34,438		—		3,389			1,199
2028		487,912		—		4,156			1,081
Thereafter		—		—		—			5,807
		625,664		39,792		32,161			12,439
Less: effect of discounting		—		—		(2,918	)		(3,069	)
Total	$	625,664	$	39,792	$	29,243		$	9,370