v3.25.2
Business Segments - Schedule of Segment Reporting Information for Operating Results and Capital Expenditures (Details) - USD ($)
$ in Thousands
 3 Months Ended 6 Months Ended
Jun. 30, 2025
Mar. 31, 2025
Jun. 30, 2024
Mar. 31, 2024
Jun. 30, 2025
Jun. 30, 2024
Segment Reporting Information [Line Items]            
Net sales $ 168,559   $ 132,901   $ 311,425 $ 260,565
Less:            
Cost of materials and other 32,547   26,114   60,448 51,441
Direct operating expenses (exclusive of depreciation and amortization and turnaround expenses) 60,517   46,870   115,003 102,539
Depreciation and amortization 20,861   20,040   38,902 39,331
Selling, general and administrative expenses 8,034   6,308   15,922 13,618
Interest income (1,424)   (922)   (2,644) (1,714)
Net income 38,768 $ 27,088 26,219 $ 12,579 65,856 38,798
Nitrogen Fertilizer Segment            
Segment Reporting Information [Line Items]            
Net sales 168,559   132,901   311,425 260,565
Less:            
Feedstocks 16,106   13,469   32,635 30,545
Distribution costs 14,870   13,964   28,098 21,906
Other costs of materials 1,571   (1,319)   (285) (1,010)
Cost of materials and other 32,547   26,114   60,448 51,441
Direct operating expenses (exclusive of depreciation and amortization and turnaround expenses) 59,625   46,813   113,733 102,416
Turnaround expenses 892   57   1,270 123
Depreciation and amortization 20,861   20,040   38,902 39,331
Selling, general and administrative expenses 8,034   6,308   15,922 13,618
Interest expense 9,004   8,432   17,951 16,889
Other segment items 252   (160)   (13) (337)
Net income 38,768   26,219   65,856 38,798
Capital expenditures $ 10,747   $ 4,895   $ 16,679 $ 9,506