v3.26.1
PROPERTY, PLANT, EQUIPMENT, AND MINERAL PROPERTIES
 6 Months Ended
Jun. 30, 2026
Property, Plant, and Equipment [Abstract]  
PROPERTY, PLANT, EQUIPMENT, AND MINERAL PROPERTIES PROPERTY, PLANT, EQUIPMENT, AND MINERAL PROPERTIES
    Property, plant, equipment, and mineral properties were comprised of the following (in thousands):
June 30, 2026December 31, 2025
Land$519 $519 
Ponds and land improvements88,117 87,881 
Mineral properties and development costs157,649 155,221 
Buildings and plant99,010 97,924 
Machinery and equipment332,882 324,327 
Vehicles8,507 8,061 
Office equipment and improvements9,497 10,000 
Operating lease ROU assets3,181 3,181 
Construction in progress15,718 13,925 
Total property, plant, equipment, and mineral properties, gross$715,080 $701,039 
Less: accumulated depreciation, depletion, and amortization(419,668)(402,283)
Total property, plant, equipment, and mineral properties, net$295,412 $298,756 

During the six months ended June 30, 2026, we did not record any impairment expense. For any Trio® segment capital spending during the six months ended June 30, 2025, we estimated the fair value of those assets using the expected proceeds received in an orderly sale of those new assets and we recorded impairment expense of $1.9 million.
We incurred the following expenses for depreciation, depletion, and amortization, including expenses capitalized into inventory, for the following periods (in thousands):
Three Months Ended June 30,Six Months Ended June 30,
2026202520262025
Depreciation$8,358 $7,954 $16,509 $15,909 
Depletion722 643 2,306 2,193 
Amortization of right of use assets220 349 436 700 
Total incurred$9,300 $8,946 $19,251 $18,802