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Business Segments
 3 Months Ended
Mar. 31, 2023
Segment Reporting [Abstract]  
Business Segments BUSINESS SEGMENTS    The Partnership has four reportable segments: (1) terminalling and storage, (2) transportation, (3) sulfur services and (4) specialty products. The Partnership’s reportable segments are strategic business units that offer different products and services. The operating income of these segments is reviewed by the chief operating decision maker to assess performance and make business decisions. Effective January 1, 2023, the Partnership reorganized its Terminalling and Storage and Natural Gas Liquids operating segments. The underground NGL storage division of the Partnership's Natural Gas Liquids operating segment was moved to the Terminalling and Storage operating segment. Further, the Partnership's packaged lubricants and grease businesses were moved from the Terminalling and Storage operating segment to the Specialty Products operating segment (formerly named the Natural Gas Liquids segment). All prior period financial information has been revised to reflect these changes. In conjunction with the segment reorganization, the Partnership allocated $4,229 of goodwill from the Terminalling and Storage operating segment to the Specialty Products operating segment. The Partnership evaluates the performance of its reportable segments based on operating income. There is no allocation of interest expense.
Three Months Ended March 31, 2023Operating RevenuesIntersegment Revenues EliminationsOperating Revenues after EliminationsDepreciation and AmortizationOperating Income (Loss) after EliminationsCapital Expenditures and Plant Turnaround Costs
Terminalling and storage$23,919 $(3,061)$20,858 $5,599 $64 $3,785 
Transportation61,939 (6,216)55,723 3,762 3,179 1,528 
Sulfur services35,679 — 35,679 2,677 7,404 2,048 
Specialty products132,277 (8)132,269 863 11,056 259 
Indirect selling, general and administrative
— — — — (4,198)— 
Total$253,814 $(9,285)$244,529 $12,901 $17,505 $7,620 

Three Months Ended March 31, 2022Operating RevenuesIntersegment Revenues EliminationsOperating Revenues after EliminationsDepreciation and AmortizationOperating Income (Loss) after EliminationsCapital Expenditures and Plant Turnaround Costs
Terminalling and storage$22,371 $(2,974)$19,397 $7,000 $(3,057)$3,753 
Transportation51,897 (5,187)46,710 3,573 1,789 3,581 
Sulfur services59,123 — 59,123 2,709 14,837 1,962 
Specialty products154,009 (38)153,971 1,204 16,002 639 
Indirect selling, general and administrative
— — — — (4,122)— 
Total$287,400 $(8,199)$279,201 $14,486 $25,449 $9,935 

    The Partnership's assets by reportable segment as of March 31, 2023 and December 31, 2022, are as follows:
March 31, 2023December 31, 2022
Total assets:  
Terminalling and storage$172,182 $184,537 
Transportation145,963 153,451 
Sulfur services113,602 110,688 
Specialty products111,128 150,175 
Total assets$542,875 $598,851