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Revenue Recognition (Disaggregated Revenue) (Details) - USD ($) $ in Thousands | 12 Months Ended
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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

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