Revenue Recognition (Disaggregated Revenue) (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2023	Sep. 30, 2022	Sep. 30, 2023	Sep. 30, 2022
Disaggregation of Revenue [Line Items]
Total revenues	$ 807,618	$ 721,248	$ 2,402,892	$ 2,074,920
Fee-based Revenues [Member]
Disaggregation of Revenue [Line Items]
Total revenues	203,286	187,777	574,790	504,127
Product Sales [Member]
Disaggregation of Revenue [Line Items]
Total revenues	580,086	511,410	1,759,478	1,491,165
Refinery Services [Member]
Disaggregation of Revenue [Line Items]
Total revenues	24,246	22,061	68,624	79,628
Offshore Pipeline Transportation [Member]
Disaggregation of Revenue [Line Items]
Total revenues	106,297	89,805	289,151	239,958
Offshore Pipeline Transportation [Member] | Fee-based Revenues [Member]
Disaggregation of Revenue [Line Items]
Total revenues	106,297	89,805	289,151	239,958
Offshore Pipeline Transportation [Member] | Product Sales [Member]
Disaggregation of Revenue [Line Items]
Total revenues	0	0	0	0
Offshore Pipeline Transportation [Member] | Refinery Services [Member]
Disaggregation of Revenue [Line Items]
Total revenues	0	0	0	0
Sodium Minerals and Sulfur Services [Member]
Disaggregation of Revenue [Line Items]
Total revenues	423,575	312,681	1,331,078	916,963
Sodium Minerals and Sulfur Services [Member] | Fee-based Revenues [Member]
Disaggregation of Revenue [Line Items]
Total revenues	0	0	0	0
Sodium Minerals and Sulfur Services [Member] | Product Sales [Member]
Disaggregation of Revenue [Line Items]
Total revenues	399,329	290,620	1,262,454	837,335
Sodium Minerals and Sulfur Services [Member] | Refinery Services [Member]
Disaggregation of Revenue [Line Items]
Total revenues	24,246	22,061	68,624	79,628
Marine Transportation [Member]
Disaggregation of Revenue [Line Items]
Total revenues	80,220	77,795	240,789	209,889
Marine Transportation [Member] | Fee-based Revenues [Member]
Disaggregation of Revenue [Line Items]
Total revenues	80,220	77,795	240,789	209,889
Marine Transportation [Member] | Product Sales [Member]
Disaggregation of Revenue [Line Items]
Total revenues	0	0	0	0
Marine Transportation [Member] | Refinery Services [Member]
Disaggregation of Revenue [Line Items]
Total revenues	0	0	0	0
Onshore Facilities and Transportation [Member]
Disaggregation of Revenue [Line Items]
Total revenues	197,526	240,967	541,874	708,110
Onshore Facilities and Transportation [Member] | Fee-based Revenues [Member]
Disaggregation of Revenue [Line Items]
Total revenues	16,769	20,177	44,850	54,280
Onshore Facilities and Transportation [Member] | Product Sales [Member]
Disaggregation of Revenue [Line Items]
Total revenues	180,757	220,790	497,024	653,830
Onshore Facilities and Transportation [Member] | Refinery Services [Member]
Disaggregation of Revenue [Line Items]
Total revenues	$ 0	$ 0	$ 0	$ 0