Segment and Geographic Area Information - Identifiable Assets by Reportable Segments (Details) - USD ($) $ in Thousands	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021
Segment Reporting Information [Line Items]
Identifiable Assets	$ 18,270,652	$ 15,456,522	$ 10,974,118
Reportable Segments
Segment Reporting Information [Line Items]
Identifiable Assets	16,298,462	13,083,014	9,765,659
Reportable Segments | Energy Storage
Segment Reporting Information [Line Items]
Identifiable Assets	13,246,412	10,471,949	7,272,029
Reportable Segments | Specialties
Segment Reporting Information [Line Items]
Identifiable Assets	1,696,307	1,396,583	1,344,038
Reportable Segments | Ketjen
Segment Reporting Information [Line Items]
Identifiable Assets	1,355,743	1,214,482	1,149,592
Corporate
Segment Reporting Information [Line Items]
Identifiable Assets	$ 1,972,190	$ 2,373,508	$ 1,208,459