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Related Party Transactions (Tables)
 9 Months Ended
Sep. 30, 2025
Related Party Transactions [Abstract]  
Schedule of Impact of Related Party Transactions The impact of related party revenues from sales of products and services is reflected in the consolidated and condensed financial statements as follows:
 Three Months Ended September 30,Nine Months Ended September 30,
2025202420252024
Revenues:    
Terminalling and storage$18,622 $17,785 $54,105 $54,412 
Transportation6,521 7,975 21,811 24,894 
Product sales:
Specialty products45 82 548 272 
Sulfur services902 9 2,739 71 
 947 91 3,287 343 
 $26,090 $25,851 $79,203 $79,649 

    The impact of related party cost of products sold is reflected in the consolidated and condensed financial statements as follows:
 Three Months Ended September 30,Nine Months Ended September 30,
2025202420252024
Cost of products sold:    
Specialty products$7,973 $8,401 $21,260 $23,342 
Sulfur services3,303 3,014 9,611 8,926 
Terminalling and storage— 23 — 65 
 $11,276 $11,438 $30,871 $32,333 
    The impact of related party operating expenses is reflected in the consolidated and condensed financial statements as follows:
Three Months Ended September 30,Nine Months Ended September 30,
2025202420252024
Operating expenses:    
Transportation$20,282 $19,257 $61,271 $58,844 
Sulfur services1,522 1,250 4,302 3,622 
Terminalling and storage6,053 5,646 17,672 16,611 
 $27,857 $26,153 $83,245 $79,077 

    The impact of related party selling, general and administrative expenses is reflected in the consolidated and condensed financial statements as follows:
Three Months Ended September 30,Nine Months Ended September 30,
2025202420252024
Selling, general and administrative:    
Transportation$1,907 $3,635 $6,115 $7,665 
Specialty products910 1,833 3,033 3,825 
Sulfur services817 1,826 2,777 3,759 
Terminalling and storage124 1,333 718 1,757 
Indirect, including overhead allocation3,375 3,588 10,517 10,710 
 $7,133 $12,215 $23,160 $27,716