Revenue Disaggragation (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2023	Jun. 30, 2022	Jun. 30, 2023	Jun. 30, 2022
Disaggregation of Revenue [Line Items]
Net sales	$ 125,206	$ 125,362	$ 252,294	$ 253,429
Intersegment Eliminations [Member]
Disaggregation of Revenue [Line Items]
Net sales	(9)	(37)	(11)	(51)
Automotive [Member]
Disaggregation of Revenue [Line Items]
Net sales	62,076	58,578	126,683	119,252
General Industrial [Member]
Disaggregation of Revenue [Line Items]
Net sales	32,738	37,172	67,556	75,312
Electrical [Member]
Disaggregation of Revenue [Line Items]
Net sales	17,608	18,757	32,193	35,956
Other End Market Member
Disaggregation of Revenue [Line Items]
Net sales	12,784	10,855	25,862	22,909
Other End Market Member | Intersegment Eliminations [Member]
Disaggregation of Revenue [Line Items]
Net sales	(9)	(37)	(11)	(51)
Mobile Solutions [Member]
Disaggregation of Revenue [Line Items]
Net sales	77,153	73,350	155,171	149,420
Mobile Solutions [Member] | Automotive [Member]
Disaggregation of Revenue [Line Items]
Net sales	52,961	48,850	108,765	99,446
Mobile Solutions [Member] | General Industrial [Member]
Disaggregation of Revenue [Line Items]
Net sales	19,228	20,532	39,441	42,337
Mobile Solutions [Member] | Electrical [Member]
Disaggregation of Revenue [Line Items]
Net sales	0	0	0	0
Mobile Solutions [Member] | Other End Market Member
Disaggregation of Revenue [Line Items]
Net sales	4,964	3,968	6,965	7,637
Power Solutions [Member]
Disaggregation of Revenue [Line Items]
Net sales	48,062	52,049	97,134	104,060
Power Solutions [Member] | Automotive [Member]
Disaggregation of Revenue [Line Items]
Net sales	9,115	9,728	17,918	19,806
Power Solutions [Member] | General Industrial [Member]
Disaggregation of Revenue [Line Items]
Net sales	13,510	16,640	28,115	32,975
Power Solutions [Member] | Electrical [Member]
Disaggregation of Revenue [Line Items]
Net sales	17,608	18,757	32,193	35,956
Power Solutions [Member] | Other End Market Member
Disaggregation of Revenue [Line Items]
Net sales	7,829	6,924	18,908	15,323
UNITED STATES
Disaggregation of Revenue [Line Items]
Net sales	77,503	76,294	154,929	154,576
UNITED STATES | Intersegment Eliminations [Member]
Disaggregation of Revenue [Line Items]
Net sales	(9)	(37)
UNITED STATES | Mobile Solutions [Member]
Disaggregation of Revenue [Line Items]
Net sales	38,596	35,954	75,802	73,764
UNITED STATES | Power Solutions [Member]
Disaggregation of Revenue [Line Items]
Net sales	38,916	40,377	79,138	80,863
CHINA
Disaggregation of Revenue [Line Items]
Net sales	13,548	9,997	28,109	23,793
CHINA | Mobile Solutions [Member]
Disaggregation of Revenue [Line Items]
Net sales	11,488	8,764	25,300	21,316
CHINA | Power Solutions [Member]
Disaggregation of Revenue [Line Items]
Net sales	2,060	1,233	2,809	2,477
BRAZIL
Disaggregation of Revenue [Line Items]
Net sales	11,979	11,605	23,700	22,670
BRAZIL | Mobile Solutions [Member]
Disaggregation of Revenue [Line Items]
Net sales	11,825	11,293	23,436	22,013
BRAZIL | Power Solutions [Member]
Disaggregation of Revenue [Line Items]
Net sales	154	312	264	657
MEXICO
Disaggregation of Revenue [Line Items]
Net sales	6,806	12,445	14,573	22,250
MEXICO | Mobile Solutions [Member]
Disaggregation of Revenue [Line Items]
Net sales	3,606	8,087	7,885	13,151
MEXICO | Power Solutions [Member]
Disaggregation of Revenue [Line Items]
Net sales	3,200	4,358	6,688	9,099
GERMANY
Disaggregation of Revenue [Line Items]
Net sales	1,903	1,194	3,709	2,539
GERMANY | Mobile Solutions [Member]
Disaggregation of Revenue [Line Items]
Net sales	1,746	1,121	3,478	2,404
GERMANY | Power Solutions [Member]
Disaggregation of Revenue [Line Items]
Net sales	157	73	231	135
POLAND
Disaggregation of Revenue [Line Items]
Net sales	1,776	1,159	3,637	2,503
POLAND | Mobile Solutions [Member]
Disaggregation of Revenue [Line Items]
Net sales	1,772	1,158	3,628	2,498
POLAND | Power Solutions [Member]
Disaggregation of Revenue [Line Items]
Net sales	4	1	9	5
Other Country [Member]
Disaggregation of Revenue [Line Items]
Net sales	11,691	12,668	23,637	25,098
Other Country [Member] | Mobile Solutions [Member]
Disaggregation of Revenue [Line Items]
Net sales	8,120	6,973	15,642	14,274
Other Country [Member] | Power Solutions [Member]
Disaggregation of Revenue [Line Items]
Net sales	$ 3,571	$ 5,695	$ 7,995	$ 10,824