v3.25.1
Segment Information - Depreciation and Amortization and Capital Expenditures by Reportable Segments (Details) - USD ($)
$ in Thousands
 3 Months Ended
Mar. 31, 2025
Mar. 31, 2024
Segment Reporting Information [Line Items]    
Total segment depreciation and amortization $ 161,754 $ 123,751
Total equity in net income of unconsolidated investments (net of tax) 64,286 180,500
Total capital expenditures 182,624 579,322
Reportable Segments    
Segment Reporting Information [Line Items]    
Total segment depreciation and amortization 159,511 122,068
Total equity in net income of unconsolidated investments (net of tax) 60,145 179,355
Total capital expenditures 179,039 569,641
Reportable Segments | Energy Storage    
Segment Reporting Information [Line Items]    
Total segment depreciation and amortization 120,348 87,274
Total equity in net income of unconsolidated investments (net of tax) 50,845 171,534
Total capital expenditures 94,443 445,313
Reportable Segments | Specialties    
Segment Reporting Information [Line Items]    
Total segment depreciation and amortization 25,733 22,437
Total capital expenditures 62,225 89,145
Reportable Segments | Ketjen    
Segment Reporting Information [Line Items]    
Total segment depreciation and amortization 13,430 12,357
Total equity in net income of unconsolidated investments (net of tax) 9,300 7,821
Total capital expenditures 22,371 35,183
Corporate    
Segment Reporting Information [Line Items]    
Total segment depreciation and amortization 2,243 1,683
Total equity in net income of unconsolidated investments (net of tax) 4,141 1,145
Total capital expenditures $ 3,585 $ 9,681