Segment Information - Segment Description (Details) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2023	Mar. 31, 2022
Segment Reporting Information [Line Items]
Total revenue	$ 445,371	$ 405,745
Management Fee | Diversified Industrial
Segment Reporting Information [Line Items]
Total revenue	10,772	10,356
Management Fee | Energy
Segment Reporting Information [Line Items]
Total revenue	1,989	1,426
Management Fee | Financial Services
Segment Reporting Information [Line Items]
Total revenue	$ 422	$ 382