Revenues (Details) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2023	Mar. 31, 2022
Disaggregation of Revenue [Abstract]
Revenues by major source	$ 750,444	$ 610,782
Revenue recognized	38,800	28,600
Marine Transportation [Member]
Disaggregation of Revenue [Abstract]
Revenues by major source	412,495	355,536
Marine Transportation [Member] | Inland Transportation [Member]
Disaggregation of Revenue [Abstract]
Revenues by major source	337,888	277,910
Marine Transportation [Member] | Coastal Transportation [Member]
Disaggregation of Revenue [Abstract]
Revenues by major source	74,607	77,626
Distribution and Services [Member]
Disaggregation of Revenue [Abstract]
Revenues by major source	337,949	255,246
Distribution and Services [Member] | Commercial and Industrial [Member]
Disaggregation of Revenue [Abstract]
Revenues by major source	189,392	147,533
Distribution and Services [Member] | Oil and Gas [Member]
Disaggregation of Revenue [Abstract]
Revenues by major source	$ 148,557	$ 107,713