v3.26.1
CONSOLIDATED AND CONDENSED STATEMENTS OF OPERATIONS - USD ($)
$ in Thousands
 3 Months Ended 6 Months Ended
Jun. 30, 2026
Jun. 30, 2025
Jun. 30, 2026
Jun. 30, 2025
Revenues:        
Revenues $ 213,600 $ 180,676 $ 401,274 $ 373,219
Cost of products sold: (excluding depreciation and amortization)        
Cost of products sold 107,589 78,504 197,088 168,080
Expenses:        
Operating expenses [1] 68,947 64,382 135,753 128,836
Selling, general and administrative [1] 9,407 10,882 20,219 22,656
Depreciation and amortization 13,052 12,638 25,923 25,454
Total costs and expenses 198,995 166,406 378,983 345,026
Gain on disposition or sale of property, plant and equipment 4,653 613 4,986 1,092
Operating income 19,258 14,883 27,277 29,285
Other income (expense):        
Interest expense, net (14,491) (14,608) (28,452) (28,715)
Equity in loss of DSM Semichem LLC (260) (616) (561) (825)
Other, net 15 18 16 16
Total other expense (14,736) (15,206) (28,997) (29,524)
Net income (loss) before taxes 4,522 (323) (1,720) (239)
Income tax expense (1,875) (2,084) (2,393) (3,201)
Net income (loss) 2,647 (2,407) (4,113) (3,440)
Less general partner's interest in net income (loss) 53 (48) (82) (69)
Less income (loss) allocable to unvested restricted units 12 (10) (14) (14)
Limited partners' interest in net income (loss) $ 2,582 $ (2,349) $ (4,017) $ (3,357)
Net income (loss) per unit attributable to limited partners - basic (in dollars per share) $ 0.07 $ (0.06) $ (0.10) $ (0.09)
Net income (loss) per unit attributable to limited partners - diluted (in dollars per share) $ 0.07 $ (0.06) $ (0.10) $ (0.09)
Weighted average limited partner units - basic (in shares) 38,955,432 38,892,347 38,953,569 38,887,692
Weighted average limited partner units - diluted (in shares) 38,955,432 38,892,347 38,953,569 38,887,692
Terminalling and storage        
Revenues:        
Revenues [1] $ 23,743 $ 22,404 $ 46,180 $ 43,953
Transportation        
Revenues:        
Revenues [1] 56,639 53,826 109,446 106,811
Sulfur services        
Revenues:        
Revenues 4,253 4,073 8,627 8,296
Product sales        
Revenues:        
Revenues [1] 128,965 100,373 237,021 214,159
Specialty products        
Revenues:        
Revenues [1] 83,148 60,318 144,754 129,623
Cost of products sold: (excluding depreciation and amortization)        
Cost of products sold [1] 73,907 52,270 126,821 112,764
Sulfur services        
Revenues:        
Revenues [1] 45,817 40,055 92,267 84,536
Cost of products sold: (excluding depreciation and amortization)        
Cost of products sold [1] $ 33,682 $ 26,234 $ 70,267 $ 55,316
[1] Related Party Transactions Included Above
Three Months EndedSix Months Ended
June 30,June 30,
2026202520262025
Revenues:*    
Terminalling and storage$18,982 $18,221 $37,738 $35,483 
Transportation7,883 7,320 15,926 15,290 
Product Sales817 1,040 1,800 2,340 
Costs and expenses:*
Cost of products sold: (excluding depreciation and amortization)
Specialty products10,137 7,277 18,067 13,287 
Sulfur services3,318 3,187 6,606 6,308 
Expenses:
Operating expenses27,286 27,823 54,582 55,388 
Selling, general and administrative7,753 8,135 16,020 16,027