Segment and Geographic Area Information - Depreciation and Amortization and Capital Expenditures by Reportable Segments (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021
Segment Reporting Information [Line Items]
Depreciation and amortization	$ 429,944	$ 300,841	$ 254,000
Capital expenditures	2,149,281	1,261,646	953,667
Reportable Segments
Segment Reporting Information [Line Items]
Depreciation and amortization	421,132	294,860	241,541
Capital expenditures	2,098,989	1,230,387	933,151
Reportable Segments | Energy Storage
Segment Reporting Information [Line Items]
Depreciation and amortization	258,436	175,738	123,295
Capital expenditures	1,752,440	980,410	791,645
Reportable Segments | Specialties
Segment Reporting Information [Line Items]
Depreciation and amortization	86,673	67,705	66,658
Capital expenditures	214,039	183,658	92,194
Reportable Segments | Ketjen
Segment Reporting Information [Line Items]
Depreciation and amortization	76,023	51,417	51,588
Capital expenditures	132,510	66,319	49,312
All Other
Segment Reporting Information [Line Items]
Depreciation and amortization	0	0	1,870
Capital expenditures	0	0	2,339
Corporate
Segment Reporting Information [Line Items]
Depreciation and amortization	8,812	5,981	10,589
Capital expenditures	$ 50,292	$ 31,259	$ 18,177