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Property, Plant and Equipment
 12 Months Ended
Dec. 31, 2025
Property, Plant and Equipment, Net [Abstract]  
Property, Plant and Equipment Property, Plant and Equipment
Property, plant and equipment consist of the following:
December 31,
20252024
Building and improvements$18,774 $18,562 
Plant and equipment2,020,193 1,950,479 
Other124,517 118,870 
2,163,484 2,087,911 
Less: Accumulated depreciation(1,293,700)(1,237,929)
869,784 849,982 
Construction in progress16,228 53,606 
Property, plant and equipment, net$886,012 $903,588 
Depreciation expense on property, plant and equipment of $87,018, $86,253 and $84,511 is included in cost of sales in the consolidated statements of operations for the years ended December 31, 2025, 2024 and 2023, respectively.