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Revenue - Disaggregation of Revenue (Details) - USD ($) $ in Thousands | 12 Months Ended
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Dec. 31, 2022 | Dec. 31, 2021 | Dec. 31, 2020
Disaggregation of Revenue |  |  |  |
Total revenues |  | $ 1,018,878 | $ 882,431 | $ 672,142
Lubricant product sales |  |  |  |
Disaggregation of Revenue |  |  |  |
Total revenues | [1] | 142,016 | 103,809 | 103,300
Throughput and storage |  |  |  |
Disaggregation of Revenue |  |  |  |
Total revenues | [1] | 80,268 | 75,223 | 80,864
Sulfur services |  |  |  |
Disaggregation of Revenue |  |  |  |
Total revenues |  | 12,337 | 11,799 | 11,659
Natural gas liquids product sales |  |  |  |
Disaggregation of Revenue |  |  |  |
Total revenues | [1] | 398,422 | 414,043 | 247,479
Terminalling and storage segment |  |  |  |
Disaggregation of Revenue |  |  |  |
Total revenues |  | 222,284 | 179,032 | 184,164
Terminalling and storage segment | Lubricant product sales |  |  |  |
Disaggregation of Revenue |  |  |  |
Total revenues |  | 142,016 | 103,809 | 103,300
Terminalling and storage segment | Throughput and storage |  |  |  |
Disaggregation of Revenue |  |  |  |
Total revenues |  | 80,268 | 75,223 | 80,864
Transportation segment |  |  |  |
Disaggregation of Revenue |  |  |  |
Total revenues |  | 219,008 | 144,314 | 132,492
Transportation segment | Land transportation |  |  |  |
Disaggregation of Revenue |  |  |  |
Total revenues |  | 166,631 | 111,611 | 88,652
Transportation segment | Inland transportation |  |  |  |
Disaggregation of Revenue |  |  |  |
Total revenues |  | 45,050 | 29,536 | 40,507
Transportation segment | Offshore transportation |  |  |  |
Disaggregation of Revenue |  |  |  |
Total revenues |  | 7,327 | 3,167 | 3,333
Sulfur service segment |  |  |  |
Disaggregation of Revenue |  |  |  |
Total revenues |  | 179,164 | 145,042 | 108,007
Sulfur service segment | Sulfur product sales |  |  |  |
Disaggregation of Revenue |  |  |  |
Total revenues |  | 42,247 | 32,416 | 24,176
Sulfur service segment | Fertilizer product sales |  |  |  |
Disaggregation of Revenue |  |  |  |
Total revenues |  | 124,580 | 100,827 | 72,172
Sulfur service segment | Sulfur services |  |  |  |
Disaggregation of Revenue |  |  |  |
Total revenues |  | 12,337 | 11,799 | 11,659
Natural gas liquids segment |  |  |  |
Disaggregation of Revenue |  |  |  |
Total revenues |  | 398,422 | 414,043 | 247,479
Natural gas liquids segment | Natural gas liquids product sales |  |  |  |
Disaggregation of Revenue |  |  |  |
Total revenues |  | $ 398,422 | $ 414,043 | $ 247,479
[1] | Related Party Transactions Included Above
| Year Ended December 31,
| 2022 |  | 2021 |  | 2020
Revenues: |  |  |  |  |
Terminalling and storage | $ | 66,867 |  |  | $ | 62,677 |  |  | $ | 63,823 |
Transportation | 28,393 |  |  | 20,046 |  |  | 21,997 |
Product sales | 554 |  |  | 479 |  |  | 317 |
Costs and expenses: |  |  |  |  |
Cost of products sold: (excluding depreciation and amortization) |  |  |  |  |
Sulfur services | 10,717 |  |  | 9,980 |  |  | 10,519 |
Terminalling and storage | 39,375 |  |  | 27,866 |  |  | 18,429 |
Expenses: |  |  |  |  |
Operating expenses | 93,630 |  |  | 78,607 |  |  | 80,075 |
Selling, general and administrative | 31,758 |  |  | 32,924 |  |  | 32,886 |

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