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Note 8 - Debt, Credit Agreement and Leases (Details Textual) - USD ($) $ in Millions	Mar. 31, 2026	Dec. 31, 2025	May 03, 2024
New Credit Agreement [Member] \| Revolving Credit Facility [Member]
Line of Credit Facility [Line Items]
Letters of credit outstanding, amount	$ 8.0
New Credit Agreement [Member] \| Revolving Credit Facility [Member] \| Maximum [Member]
Line of Credit Facility [Line Items]
Line of credit facility, maximum borrowing capacity			$ 225.0
New Credit Agreement [Member] \| Letter of Credit [Member]
Line of Credit Facility [Line Items]
Letters of credit, drawn amount	0.0
Senior Notes [Member] \| New Credit Agreement [Member]
Line of Credit Facility [Line Items]
Letters of credit, drawn amount	$ 225.0
Senior Notes [Member] \| IQ Notes [Member]
Line of Credit Facility [Line Items]
Debt instrument, interest rate, stated percentage	7.25%	7.25%