v3.25.4
Segment and Geographic Area Information - Depreciation and Amortization and Capital Expenditures by Reportable Segments (Details) - USD ($)
$ in Thousands
 12 Months Ended
Dec. 31, 2025
Dec. 31, 2024
Dec. 31, 2023
Segment Reporting Information [Line Items]      
Depreciation and amortization $ 658,678 $ 588,638 $ 429,944
Equity in net income of unconsolidated investments (net of tax) 243,744 715,433 1,854,082
Total capital expenditures 589,801 1,680,529 2,154,542
Reportable Segments      
Segment Reporting Information [Line Items]      
Depreciation and amortization 649,797 581,447 421,132
Equity in net income of unconsolidated investments (net of tax) 210,898 727,846 1,843,089
Total capital expenditures 575,504 1,647,342 2,104,250
Reportable Segments | Energy Storage      
Segment Reporting Information [Line Items]      
Depreciation and amortization 497,903 434,916 258,436
Equity in net income of unconsolidated investments (net of tax) 184,669 705,378 1,822,620
Total capital expenditures 284,100 1,225,748 1,757,701
Reportable Segments | Specialties      
Segment Reporting Information [Line Items]      
Depreciation and amortization 105,390 95,043 86,673
Total capital expenditures 171,243 257,673 214,039
Reportable Segments | Ketjen      
Segment Reporting Information [Line Items]      
Depreciation and amortization 46,504 51,488 76,023
Equity in net income of unconsolidated investments (net of tax) 26,229 22,468 20,469
Total capital expenditures 120,161 163,921 132,510
Corporate      
Segment Reporting Information [Line Items]      
Depreciation and amortization 8,881 7,191 8,812
Equity in net income of unconsolidated investments (net of tax) 32,846 (12,413) 10,993
Total capital expenditures $ 14,297 $ 33,187 $ 50,292