Industry Segments (Details) $ in Thousands		3 Months Ended
		Mar. 31, 2023 USD ($) Segment	Mar. 31, 2022 USD ($)
Segment Reporting Information, Profit (Loss) [Abstract]
Number of reportable operating segments | Segment		3
Net sales	[1]	$ 328,028	$ 322,831
Operating Income (Loss)		20,746	26,915
Vehicle Control [Member] | Reportable Segments [Member]
Segment Reporting Information, Profit (Loss) [Abstract]
Net sales	[1]	184,577	177,264
Operating Income (Loss)		17,375	20,344
Temperature Control [Member] | Reportable Segments [Member]
Segment Reporting Information, Profit (Loss) [Abstract]
Net sales	[1]	72,406	73,058
Operating Income (Loss)		2,084	4,162
Engineered Solutions [Member] | Reportable Segments [Member]
Segment Reporting Information, Profit (Loss) [Abstract]
Net sales	[1]	71,045	72,509
Operating Income (Loss)		5,647	6,288
Other [Member]
Segment Reporting Information, Profit (Loss) [Abstract]
Net sales	[1]	0	0
Operating Income (Loss)		$ (4,360)	$ (3,879)

[1] There are no intersegment sales among our Vehicle Control, Temperature Control and Engineered Solutions operating segments.