Summary of Significant Accounting Policies, Summary of Balances of Property and Equipment - Net (Details) - USD ($) $ in Thousands	Dec. 31, 2023	Dec. 31, 2022
Property, Plant and Equipment [Line Items]
Property and equipment, gross	$ 5,824,038	$ 5,452,143
Accumulated depreciation	(1,962,933)	(1,818,681)
Property and equipment - net	3,861,105	3,633,462
Land [Member]
Property, Plant and Equipment [Line Items]
Property and equipment, gross	39,567	38,551
Marine Transportation Equipment [Member]
Property, Plant and Equipment [Line Items]
Property and equipment, gross	5,029,653	4,837,379
Buildings and Other Equipment [Member]
Property, Plant and Equipment [Line Items]
Property and equipment, gross	641,871	505,942
Construction in Progress [Member]
Property, Plant and Equipment [Line Items]
Property and equipment, gross	$ 112,947	$ 70,271