v3.26.1
Consolidated Statements of Comprehensive Income (Unaudited) - USD ($)
$ in Thousands
 3 Months Ended 6 Months Ended
Jun. 30, 2026
Jun. 30, 2025
Jun. 30, 2026
Jun. 30, 2025
Revenues and other income        
Equity in earnings (loss) of Sisecam Wyoming $ (4,905) $ 2,526 $ (12,733) $ 7,136
Gain on asset sales and disposals 45 729 44 976
Total revenues and other income 48,110 50,101 87,463 110,639
Operating expenses        
Operating and maintenance expenses 5,731 4,159 11,844 10,935
Depreciation, depletion and amortization 11,131 3,754 18,745 7,743
General and administrative expenses 5,020 5,597 10,054 12,429
Asset impairments 0 0 0 20
Total operating expenses 21,882 13,510 40,643 31,127
Income from operations 26,228 36,591 46,820 79,512
Interest expense, net (1,052) (2,380) (2,025) (5,048)
Net income 25,176 34,211 44,795 74,464
Net income attributable to common unitholders 24,672 33,527 43,899 72,975
Net income attributable to the general partner $ 504 $ 684 $ 896 $ 1,489
Net income per common unit (see Note 4)        
Basic (in dollars per share) $ 1.86 $ 2.55 $ 3.32 $ 5.56
Diluted (in dollars per share) $ 1.85 $ 2.52 $ 3.29 $ 5.49
Net income $ 25,176 $ 34,211 $ 44,795 $ 74,464
Comprehensive income (loss) from unconsolidated investment and other 904 (414) 764 1,846
Comprehensive income 26,080 33,797 45,559 76,310
Mineral Rights Segment [Member]        
Operating expenses        
Depreciation, depletion and amortization 9,400 3,500 15,500 7,200
Royalty and Other Mineral Rights [Member] | Mineral Rights Segment [Member]        
Revenues and other income        
Revenues 49,119 44,295 92,416 95,555
Transportation and Processing Services [Member] | Mineral Rights Segment [Member]        
Revenues and other income        
Revenues $ 3,851 $ 2,551 $ 7,736 $ 6,972