Note 14 - Fair Value Measurements - Change in Fair Value of the Fuel Hedges and Interest Rate Swaps (Details) $ in Thousands	12 Months Ended
Dec. 31, 2022 USD ($)
Balance	$ 867
Settlements	(1,058)
Unrealized loss	191
Balance	$ 0

Amount of gain (loss) recognized in other comprehensive income from derivative asset (liability) after deduction of derivative liability (asset), measured at fair value on recurring basis using unobservable input (level 3).

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Amount of settlements of financial instrument classified as a derivative asset (liability) after deduction of derivative liability, measured using unobservable inputs that reflect the entity's own assumption about the assumptions market participants would use in pricing.

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Fair value of financial instrument classified as derivative asset (liability) after deduction of derivative liability (asset), measured using unobservable inputs that reflect the entity's own assumption about the assumptions market participants would use in pricing.

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