Note 24 - Segment Information - Revenue and Other Income (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Total Segment Revenue and Freight from External Customers	$ 1,261,034	$ 879,462	$ 1,375,559
Unrealized Loss on Commodity Derivative Instruments (Note 21)	(52,204)	0	0
Other Income not Allocated to Segments (Note 4)	38,394	126,886	53,349
Gain on Sale of Assets	11,723	15,295	1,995
Total Consolidated Revenue and Other Income	$ 1,258,947	$ 1,021,643	$ 1,430,903