Revenue Recognition (Disaggregated Revenue) (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020
Disaggregation of Revenue [Line Items]
Total revenues	$ 2,788,957	$ 2,125,476	$ 1,824,655
Fee-based revenues
Disaggregation of Revenue [Line Items]
Total revenues	680,965	555,997	553,496
Product Sales
Disaggregation of Revenue [Line Items]
Total revenues	2,012,357	1,468,111	1,182,697
Refinery Services
Disaggregation of Revenue [Line Items]
Total revenues	95,635	101,368	88,462
Offshore Pipeline Transportation
Disaggregation of Revenue [Line Items]
Total revenues	319,045	278,459	237,146
Offshore Pipeline Transportation | Fee-based revenues
Disaggregation of Revenue [Line Items]
Total revenues	319,045	278,459	237,146
Offshore Pipeline Transportation | Product Sales
Disaggregation of Revenue [Line Items]
Total revenues	0	0	0
Offshore Pipeline Transportation | Refinery Services
Disaggregation of Revenue [Line Items]
Total revenues	0	0	0
Sodium Minerals & Sulfur Services
Disaggregation of Revenue [Line Items]
Total revenues	1,248,085	964,632	877,769
Sodium Minerals & Sulfur Services | Fee-based revenues
Disaggregation of Revenue [Line Items]
Total revenues	0	0	0
Sodium Minerals & Sulfur Services | Product Sales
Disaggregation of Revenue [Line Items]
Total revenues	1,152,450	863,264	789,307
Sodium Minerals & Sulfur Services | Refinery Services
Disaggregation of Revenue [Line Items]
Total revenues	95,635	101,368	88,462
Marine transportation
Disaggregation of Revenue [Line Items]
Total revenues	293,295	190,827	210,258
Marine transportation | Fee-based revenues
Disaggregation of Revenue [Line Items]
Total revenues	293,295	190,827	210,258
Marine transportation | Product Sales
Disaggregation of Revenue [Line Items]
Total revenues	0	0	0
Marine transportation | Refinery Services
Disaggregation of Revenue [Line Items]
Total revenues	0	0	0
Onshore Facilities & Transportation
Disaggregation of Revenue [Line Items]
Total revenues	928,532	691,558	499,482
Onshore Facilities & Transportation | Fee-based revenues
Disaggregation of Revenue [Line Items]
Total revenues	68,625	86,711	106,092
Onshore Facilities & Transportation | Product Sales
Disaggregation of Revenue [Line Items]
Total revenues	859,907	604,847	393,390
Onshore Facilities & Transportation | Refinery Services
Disaggregation of Revenue [Line Items]
Total revenues	$ 0	$ 0	$ 0