v3.26.1
Segment Information - Depreciation and Amortization and Capital Expenditures by Reportable Segments (Details) - USD ($)
$ in Thousands
 3 Months Ended
Mar. 31, 2026
Mar. 31, 2025
Segment Reporting Information [Line Items]    
Net sales $ 1,428,731 $ 1,076,881
Total segment depreciation and amortization 157,805 161,754
Total equity in net income of unconsolidated investments (net of tax) 96,293 64,286
Total capital expenditures $ 98,676 182,624
Ketjen Joint Venture    
Segment Reporting Information [Line Items]    
Ownership percentage 49.00%  
Reportable Segments    
Segment Reporting Information [Line Items]    
Net sales $ 1,249,578 845,579
Total segment depreciation and amortization 153,041 146,081
Total equity in net income of unconsolidated investments (net of tax) 82,967 50,845
Total capital expenditures 74,539 156,668
Reportable Segments | Energy Storage    
Segment Reporting Information [Line Items]    
Net sales 891,165 524,565
Total segment depreciation and amortization 124,350 120,348
Total equity in net income of unconsolidated investments (net of tax) 82,967 50,845
Total capital expenditures 54,121 94,443
Reportable Segments | Specialties    
Segment Reporting Information [Line Items]    
Net sales 358,413 321,014
Total segment depreciation and amortization 28,691 25,733
Total capital expenditures 20,418 62,225
Corporate and all other    
Segment Reporting Information [Line Items]    
Net sales 179,153 231,302
Total segment depreciation and amortization 4,764 15,673
Total equity in net income of unconsolidated investments (net of tax) 13,326 13,441
Total capital expenditures $ 24,137 $ 25,956