Note 11 - Properties and Equipment, Accrued Expenses, Other Current Liabilities and Other Liabilities - Summary of Property and Equipment (Details) - USD ($) $ in Thousands	Mar. 31, 2024	Dec. 31, 2023
Vessels and related equipment	$ 1,712,643	$ 1,716,339
Other properties and equipment	41,625	32,447
Property, Plant and Equipment, Gross	1,754,268	1,748,786
Less accumulated depreciation and amortization	467,650	433,664
Properties and equipment, net	$ 1,286,618	$ 1,315,122

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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