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

9 Months Ended

Sep. 30, 2022

Table Text Block [Abstract]

Schedule of Long-Term Debt Instruments

	September 30, 2022
	Senior Notes			IQ Notes		Total
Principal	$	475,000		$	35,194	$	510,194
Unamortized discount/premium and issuance costs		(4,868	)		419		(4,449	)
Long-term debt balance	$	470,132		$	35,613	$	505,745

	December 31, 2021
	Senior Notes			IQ Notes		Total
Principal	$	475,000		$	38,051	$	513,051
Unamortized discount/premium and issuance costs		(5,552	)		596		(4,956	)
Long-term debt balance	$	469,448		$	38,647	$	508,095

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
2023	$	34,438	$	2,293	$	9,296	$	3,101
2024		34,438		2,293		7,206		1,565
2025		34,438		36,964		3,779		1,065
2026		34,438				1,980		1,060
2027		34,438		—		37		979
Thereafter		487,914		—		—		5,878
Total	$	660,104	$	41,550	$	22,298	$	13,648