Note 9 - Debt, Credit Facility and Leases - Debt Summary (Details) $ in Thousands, $ in Millions	Dec. 31, 2025 USD ($)	Dec. 31, 2024 USD ($)	Jul. 09, 2020 CAD ($)
Debt Instrument [Line Items]
Less: current debt	$ 0	$ (33,617)
Senior Notes [Member]
Debt Instrument [Line Items]
Principal		531,525
Unamortized discount/premium and issuance costs		(2,724)
Total debt		528,801
Less: current debt		(33,617)
Long-term debt		495,184
Senior Notes [Member] | The 2028 Senior Notes [Member]
Debt Instrument [Line Items]
Principal	263,000	475,000
Unamortized discount/premium and issuance costs	(1,053)	(2,816)
Total debt		472,184
Less: current debt		0
Long-term debt	$ 261,947	472,184
Senior Notes [Member] | Credit Agreement [Member]
Debt Instrument [Line Items]
Principal		23,000
Total debt		23,000
Less: current debt		0
Long-term debt		23,000
Senior Notes [Member] | IQ Notes [Member]
Debt Instrument [Line Items]
Principal		33,525
Unamortized discount/premium and issuance costs		92
Total debt		33,617
Less: current debt		(33,617)
Long-term debt		$ 0	$ 48.2