Business Segment Information - Net Sales and Income from Operation by Business Segment (Detail) - USD ($) $ in Thousands		3 Months Ended
		Mar. 31, 2022	Mar. 31, 2021
Segment Reporting Information [Line Items]
Net sales		$ 92,436	$ 71,892
(Loss) income from operations		5,202	3,054
Corporate and Other [Member]
Segment Reporting Information [Line Items]
(Loss) income from operations	[1]	(5,407)	(6,938)
Engineered Systems Segment [Member]
Segment Reporting Information [Line Items]
Net sales		56,975	42,057
(Loss) income from operations		6,470	6,170
Industrial Process Solutions Segment [Member]
Segment Reporting Information [Line Items]
Net sales		35,461	29,835
(Loss) income from operations		$ 4,139	$ 3,822

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