Note 12 - Properties and Equipment, Accrued Expenses, Other Current Liabilities and Other Liabilities - Summary of Property and Equipment (Details) - USD ($) $ in Thousands	Mar. 31, 2023	Dec. 31, 2022
Vessels and related equipment	$ 1,077,343	$ 1,070,821
Other properties and equipment	39,600	35,819
Property, Plant and Equipment, Gross	1,116,943	1,106,640
Less accumulated depreciation and amortization	330,775	309,985
Properties and equipment, net	$ 786,168	$ 796,655