Segment Reporting - Revenue for Reportable Segment (Detail) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2023	Mar. 31, 2022
Segment Reporting Information [Line Items]
Revenues	$ 262,709	$ 244,374
Gross profit	35,209	25,383
Selling, general & administrative expenses	20,565	16,999
Operating income	14,644	8,384
Vehicle Solutions
Segment Reporting Information [Line Items]
Revenues	160,584	140,157
Electrical Systems
Segment Reporting Information [Line Items]
Revenues	54,749	39,876
Aftermarket & Accessories
Segment Reporting Information [Line Items]
Revenues	37,629	30,215
Industrial Automation
Segment Reporting Information [Line Items]
Revenues	9,747	34,126
Operating Segments | Vehicle Solutions
Segment Reporting Information [Line Items]
Revenues	160,584	140,157
Gross profit	19,471	12,907
Selling, general & administrative expenses	6,077	6,588
Operating income	13,394	6,319
Operating Segments | Electrical Systems
Segment Reporting Information [Line Items]
Revenues	54,749	39,876
Gross profit	8,297	3,401
Selling, general & administrative expenses	2,227	1,640
Operating income	6,070	1,761
Operating Segments | Aftermarket & Accessories
Segment Reporting Information [Line Items]
Revenues	37,629	30,215
Gross profit	7,227	4,086
Selling, general & administrative expenses	1,650	1,465
Operating income	5,577	2,621
Operating Segments | Industrial Automation
Segment Reporting Information [Line Items]
Revenues	9,747	34,126
Gross profit	214	4,991
Selling, general & administrative expenses	1,076	1,324
Operating income	(862)	3,667
Corporate/Other
Segment Reporting Information [Line Items]
Revenues	0	0
Gross profit	0	(2)
Selling, general & administrative expenses	9,535	5,982
Operating income	$ (9,535)	$ (5,984)