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

3 Months Ended

Mar. 31, 2023

Table Text Block [Abstract]

Schedule of Long-Term Debt Instruments

	March 31, 2023
	Senior Notes			IQ Notes		Total
Principal	$	475,000		$	35,643	$	510,643
Unamortized discount/premium and issuance costs		(4,415	)		356		(4,059	)
Long-term debt balance	$	470,585		$	35,999	$	506,584

	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 March 31,	Senior Notes		IQ Notes		Finance Leases			Operating Leases
2024	$	34,438	$	2,322	$	8,812		$	2,652
2025		34,438		38,604		6,813			1,276
2026		34,438		—		3,681			1,281
2027		34,438		—		1,327			1,256
2028		505,131		—		23			1,161
Thereafter		—		—		—			6,307
		642,883		40,926		20,656			13,933
Less: effect of discounting		—		—		(1,239	)		(3,285	)
Total	$	642,883	$	40,926	$	19,417		$	10,648