Business Segment Information - Net Sales and Income from Operation by Business Segment (Detail) - USD ($) $ in Thousands		3 Months Ended		9 Months Ended
		Sep. 30, 2022	Sep. 30, 2021	Sep. 30, 2022	Sep. 30, 2021
Segment Reporting Information [Line Items]
Net sales		$ 108,414	$ 79,979	$ 306,225	$ 230,551
Income (loss) from operations		2,773	(596)	13,723	4,603
Corporate and Other [Member]
Segment Reporting Information [Line Items]
Income (loss) from operations	[1]	(11,444)	(7,566)	(25,591)	(22,434)
Engineered Systems Segment [Member]
Segment Reporting Information [Line Items]
Net sales		65,630	44,779	189,938	130,196
Income (loss) from operations		8,991	4,301	24,467	16,105
Industrial Process Solutions Segment [Member]
Segment Reporting Information [Line Items]
Net sales		42,784	35,200	116,287	100,355
Income (loss) from operations		$ 5,226	$ 2,669	$ 14,847	$ 10,932

[1] Includes corporate compensation, professional services, information technology, and other general and administrative corporate expenses.