v3.26.1
BUSINESS SEGMENTS (Cost of Goods Sold) (Details) - USD ($)
$ in Thousands
 3 Months Ended 6 Months Ended
Jun. 30, 2026
Jun. 30, 2025
Jun. 30, 2026
Jun. 30, 2025
Corporate Segment and Other Operating Segment        
Segment Reporting [Line Items]        
Labor and benefits $ 0 $ 0    
Maintenance 0 0    
Utilities and fuel 0 0    
Operating supplies 0 0    
Depreciation 2 431    
Other [1] 70 540    
Total cost of goods sold 72 971 $ 333 $ 1,754
Mineral [Member]        
Segment Reporting [Line Items]        
Labor and benefits 13,048 14,473 35,029 35,884
Maintenance 3,439 3,981 9,506 9,838
Utilities and fuel 2,323 2,903 6,645 7,209
Operating supplies 2,973 3,539 8,507 9,475
Depreciation 6,682 7,630 17,980 18,044
Other [1] 7,205 8,105 17,620 19,071
Total cost of goods sold 35,670 40,631 95,287 99,521
Operating Segments [Member] | Potash [Member]        
Segment Reporting [Line Items]        
Total cost of goods sold 21,191 23,239 56,228 55,481
Operating Segments [Member] | Trio [Member]        
Segment Reporting [Line Items]        
Total cost of goods sold 14,407 16,421 38,726 42,286
Operating Segments [Member] | Mineral [Member] | Potash [Member]        
Segment Reporting [Line Items]        
Labor and benefits 6,997 7,473 18,648 17,678
Maintenance 1,586 1,756 4,298 4,297
Utilities and fuel 1,539 1,849 4,331 4,502
Operating supplies 1,032 1,215 2,965 3,222
Depreciation 5,977 6,416 16,139 15,151
Other [1] 4,060 4,530 9,847 10,631
Total cost of goods sold 21,191 23,239 56,228 55,481
Operating Segments [Member] | Mineral [Member] | Trio [Member]        
Segment Reporting [Line Items]        
Labor and benefits 6,051 7,000 16,381 18,206
Maintenance 1,853 2,225 5,208 5,541
Utilities and fuel 784 1,054 2,314 2,707
Operating supplies 1,941 2,324 5,542 6,253
Depreciation 703 783 1,783 2,064
Other [1] 3,075 3,035 7,498 7,515
Total cost of goods sold $ 14,407 $ 16,421 38,726 42,286
Operating Segments [Member] | Mineral [Member] | Oil Field Solutions [Member]        
Segment Reporting [Line Items]        
Labor and benefits     0 0
Maintenance     0 0
Utilities and fuel     0 0
Operating supplies     0 0
Depreciation     58 829
Other [1]     275 925
Total cost of goods sold     $ 333 $ 1,754
[1] Other expense includes property taxes, insurance, royalties, and other miscellaneous expenses