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Note 5 - Property and Equipment (Details Textual) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021
Depreciation	$ 62,400	$ 53,200	$ 49,800
Gain (Loss) on Disposition of Property Plant Equipment	12,585	40,322	3,799
Finance Lease, Right-of-Use Asset, before Accumulated Amortization	7,600	12,700
Finance Lease, Right-of-Use Asset, Accumulated Amortization	1,200	7,400
Finance Lease, Right-of-Use Asset, Amortization	$ 689	$ 2,314	$ 3,620
Revenue Equipment [Member] | Minimum [Member]
Capital Leases of Lessee, Term of Contract (Month)	48 months
Revenue Equipment [Member] | Maximum [Member]
Capital Leases of Lessee, Term of Contract (Month)	84 months

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- Definition

Term of the capital leases' leasing arrangement.

+ References

No definition available.

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The amount of expense recognized in the current period that reflects the allocation of the cost of tangible assets over the assets' useful lives. Includes production and non-production related depreciation.

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Amount of gain (loss) on sale or disposal of property, plant and equipment assets, including oil and gas property and timber property.

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