v3.26.3
CONSOLIDATED AND CONDENSED STATEMENTS OF OPERATIONS - USD ($)
$ in Thousands
 3 Months Ended 9 Months Ended
Sep. 30, 2026
Sep. 30, 2025
Sep. 30, 2026
Sep. 30, 2025
Revenues:        
Revenues $ 231,727 $ 168,717 $ 633,001 $ 541,936
Cost of products sold: (excluding depreciation and amortization)        
Cost of products sold 126,930 75,743 324,018 243,823
Expenses:        
Operating expenses [1] 71,392 64,882 207,145 193,718
Selling, general and administrative [1] 10,045 9,257 30,264 31,913
Depreciation and amortization 13,133 12,336 39,056 37,790
Total costs and expenses 221,500 162,218 600,483 507,244
Gain (loss) on disposition or sale of property, plant and equipment (39) 395 4,947 1,487
Operating income 10,188 6,894 37,465 36,179
Other income (expense):        
Interest expense, net (14,672) (14,614) (43,124) (43,329)
Equity in earnings (loss) of DSM Semichem LLC (221) 20 (782) (805)
Other, net (14) 3 2 19
Total other expense (14,907) (14,591) (43,904) (44,115)
Net loss before taxes (4,719) (7,697) (6,439) (7,936)
Income tax (expense) benefit 573 (715) (1,820) (3,916)
Net loss (4,146) (8,412) (8,259) (11,852)
Less general partner's interest in net loss (83) (168) (165) (237)
Less loss allocable to unvested restricted units (18) (35) (32) (49)
Limited partners' interest in net loss $ (4,045) $ (8,209) $ (8,062) $ (11,566)
Net loss per unit attributable to limited partners - basic (in dollars per share) $ (0.10) $ (0.21) $ (0.21) $ (0.30)
Net loss per unit attributable to limited partners - diluted (in dollars per share) $ (0.10) $ (0.21) $ (0.21) $ (0.30)
Weighted average limited partner units - basic (in shares) 38,955,432 38,892,348 38,954,197 38,889,260
Weighted average limited partner units - diluted (in shares) 38,955,432 38,892,348 38,954,197 38,889,260
Terminalling and storage        
Revenues:        
Revenues [1] $ 24,008 $ 23,930 $ 70,188 $ 67,883
Transportation        
Revenues:        
Revenues [1] 56,629 49,709 166,075 156,520
Sulfur services        
Revenues:        
Revenues 4,227 4,073 12,854 12,369
Product sales        
Revenues:        
Revenues [1] 146,863 91,005 383,884 305,164
Specialty products        
Revenues:        
Revenues [1] 89,502 62,443 234,256 192,066
Cost of products sold: (excluding depreciation and amortization)        
Cost of products sold [1] 79,819 54,844 206,640 167,608
Sulfur services        
Revenues:        
Revenues [1] 57,361 28,562 149,628 113,098
Cost of products sold: (excluding depreciation and amortization)        
Cost of products sold [1] $ 47,111 $ 20,899 $ 117,378 $ 76,215
[1] Related Party Transactions Included Above
Three Months EndedNine Months Ended
September 30,September 30,
2026202520262025
Revenues:*
Terminalling and storage$19,698 $18,622 $57,436 $54,105 
Transportation9,698 6,521 25,624 21,811 
Product Sales1,385 947 3,185 3,287 
Costs and expenses:*
Cost of products sold: (excluding depreciation and amortization)
Specialty products15,530 7,973 33,597 21,260 
Sulfur services3,371 3,303 9,977 9,611 
Expenses:
Operating expenses27,849 27,857 82,431 83,245 
Selling, general and administrative7,290 7,133 23,310 23,160