Segment Information - Schedule of Segment Information (Details) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2023	Mar. 31, 2022
Segment Reporting Information [Line Items]
Revenue:	$ 445,371	$ 405,745
Income from operations before income taxes and equity method investments	45,393	16,674
Interest expense	5,986	4,524
Income tax provision	14,604	7,609
Net income from continuing operations	24,803	4,541
Total	3,967	4,643
Depreciation and amortization	12,943	14,163
Corporate and Other
Segment Reporting Information [Line Items]
Income from operations before income taxes and equity method investments	(6,837)	(35,287)
Total	3,967	4,643
Depreciation and amortization	172	153
Diversified Industrial | Operating Segments
Segment Reporting Information [Line Items]
Revenue:	304,426	327,249
Income from operations before income taxes and equity method investments	21,138	34,082
Depreciation and amortization	10,015	11,361
Energy | Operating Segments
Segment Reporting Information [Line Items]
Revenue:	48,164	38,317
Income from operations before income taxes and equity method investments	5,240	3,952
Depreciation and amortization	2,540	2,521
Financial Services | Operating Segments
Segment Reporting Information [Line Items]
Revenue:	92,781	40,179
Income from operations before income taxes and equity method investments	25,852	13,927
Depreciation and amortization	$ 216	$ 128