Revenue Disaggragation (Details) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2023	Mar. 31, 2022
Disaggregation of Revenue [Line Items]
Net sales	$ 127,088	$ 128,067
Intersegment Eliminations [Member]
Disaggregation of Revenue [Line Items]
Net sales	(2)	(14)
Automotive
Disaggregation of Revenue [Line Items]
Net sales	64,607	60,674
General Industrial
Disaggregation of Revenue [Line Items]
Net sales	34,818	38,140
Residential/Commercial Electrical
Disaggregation of Revenue [Line Items]
Net sales	14,585	17,199
Other End Market Member
Disaggregation of Revenue [Line Items]
Net sales	13,078	12,054
Other End Market Member | Intersegment Eliminations [Member]
Disaggregation of Revenue [Line Items]
Net sales	(2)	(14)
Mobile Solutions [Member]
Disaggregation of Revenue [Line Items]
Net sales	78,018	76,070
Mobile Solutions [Member] | Automotive
Disaggregation of Revenue [Line Items]
Net sales	55,804	50,596
Mobile Solutions [Member] | General Industrial
Disaggregation of Revenue [Line Items]
Net sales	20,213	21,805
Mobile Solutions [Member] | Residential/Commercial Electrical
Disaggregation of Revenue [Line Items]
Net sales	0	0
Mobile Solutions [Member] | Other End Market Member
Disaggregation of Revenue [Line Items]
Net sales	2,001	3,669
Power Solutions [Member]
Disaggregation of Revenue [Line Items]
Net sales	49,072	52,011
Power Solutions [Member] | Automotive
Disaggregation of Revenue [Line Items]
Net sales	8,803	10,078
Power Solutions [Member] | General Industrial
Disaggregation of Revenue [Line Items]
Net sales	14,605	16,335
Power Solutions [Member] | Residential/Commercial Electrical
Disaggregation of Revenue [Line Items]
Net sales	14,585	17,199
Power Solutions [Member] | Other End Market Member
Disaggregation of Revenue [Line Items]
Net sales	11,079	8,399
United States and Puerto Rico
Disaggregation of Revenue [Line Items]
Net sales	77,426	78,282
United States and Puerto Rico | Intersegment Eliminations [Member]
Disaggregation of Revenue [Line Items]
Net sales	(2)	(14)
United States and Puerto Rico | Mobile Solutions [Member]
Disaggregation of Revenue [Line Items]
Net sales	37,206	37,810
United States and Puerto Rico | Power Solutions [Member]
Disaggregation of Revenue [Line Items]
Net sales	40,222	40,486
China
Disaggregation of Revenue [Line Items]
Net sales	14,561	13,796
China | Mobile Solutions [Member]
Disaggregation of Revenue [Line Items]
Net sales	13,812	12,552
China | Power Solutions [Member]
Disaggregation of Revenue [Line Items]
Net sales	749	1,244
Brazil
Disaggregation of Revenue [Line Items]
Net sales	11,721	11,065
Brazil | Mobile Solutions [Member]
Disaggregation of Revenue [Line Items]
Net sales	11,611	10,720
Brazil | Power Solutions [Member]
Disaggregation of Revenue [Line Items]
Net sales	110	345
Mexico
Disaggregation of Revenue [Line Items]
Net sales	7,767	9,805
Mexico | Mobile Solutions [Member]
Disaggregation of Revenue [Line Items]
Net sales	4,279	5,064
Mexico | Power Solutions [Member]
Disaggregation of Revenue [Line Items]
Net sales	3,488	4,741
Germany
Disaggregation of Revenue [Line Items]
Net sales	1,806	1,345
Germany | Mobile Solutions [Member]
Disaggregation of Revenue [Line Items]
Net sales	1,732	1,283
Germany | Power Solutions [Member]
Disaggregation of Revenue [Line Items]
Net sales	74	62
Poland
Disaggregation of Revenue [Line Items]
Net sales	1,861	1,344
Poland | Mobile Solutions [Member]
Disaggregation of Revenue [Line Items]
Net sales	1,856	1,340
Poland | Power Solutions [Member]
Disaggregation of Revenue [Line Items]
Net sales	5	4
Other
Disaggregation of Revenue [Line Items]
Net sales	11,946	12,430
Other | Mobile Solutions [Member]
Disaggregation of Revenue [Line Items]
Net sales	7,522	7,301
Other | Power Solutions [Member]
Disaggregation of Revenue [Line Items]
Net sales	$ 4,424	$ 5,129