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Note 12 - Properties and Equipment, Accrued Expenses, Other Current Liabilities and Other Liabilities - Summary of Property and Equipment (Details) - USD ($) $ in Thousands	Mar. 31, 2022	Dec. 31, 2021
Vessels and related equipment	$ 901,644	$ 898,649
Other properties and equipment	23,574	19,625
Property, Plant and Equipment, Gross, Ending Balance	925,218	918,274
Less accumulated depreciation and amortization	247,638	230,234
Properties and equipment, net	$ 677,580	$ 688,040

X

- Definition

Amount of accumulated depreciation, depletion and amortization for physical assets used in the normal conduct of business to produce goods and services.

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Amount before accumulated depreciation of tangible personal property used to produce goods and services, including, but is not limited to, tools, dies and molds, computer and office equipment.

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