Revenue Recognition (Disaggregated Revenue) (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2023	Jun. 30, 2022	Jun. 30, 2023	Jun. 30, 2022
Disaggregation of Revenue [Line Items]
Total revenues	$ 804,662	$ 721,725	$ 1,595,274	$ 1,353,672
Fee-based Revenues [Member]
Disaggregation of Revenue [Line Items]
Total revenues	182,699	178,876	371,504	316,350
Product Sales [Member]
Disaggregation of Revenue [Line Items]
Total revenues	599,409	512,181	1,179,392	979,755
Refinery Services [Member]
Disaggregation of Revenue [Line Items]
Total revenues	22,554	30,668	44,378	57,567
Offshore Pipeline Transportation [Member]
Disaggregation of Revenue [Line Items]
Total revenues	91,459	82,085	182,854	150,153
Offshore Pipeline Transportation [Member] | Fee-based Revenues [Member]
Disaggregation of Revenue [Line Items]
Total revenues	91,459	82,085	182,854	150,153
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	462,855	318,608	907,503	604,282
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	440,301	287,940	863,125	546,715
Sodium Minerals and Sulfur Services [Member] | Refinery Services [Member]
Disaggregation of Revenue [Line Items]
Total revenues	22,554	30,668	44,378	57,567
Marine Transportation [Member]
Disaggregation of Revenue [Line Items]
Total revenues	77,343	76,320	160,569	132,094
Marine Transportation [Member] | Fee-based Revenues [Member]
Disaggregation of Revenue [Line Items]
Total revenues	77,343	76,320	160,569	132,094
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	173,005	244,712	344,348	467,143
Onshore Facilities and Transportation [Member] | Fee-based Revenues [Member]
Disaggregation of Revenue [Line Items]
Total revenues	13,897	20,471	28,081	34,103
Onshore Facilities and Transportation [Member] | Product Sales [Member]
Disaggregation of Revenue [Line Items]
Total revenues	159,108	224,241	316,267	433,040
Onshore Facilities and Transportation [Member] | Refinery Services [Member]
Disaggregation of Revenue [Line Items]
Total revenues	$ 0	$ 0	$ 0	$ 0