Revenue from Contracts with Customers Summary of Sales to External Customer by Operating Segment (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020
Disaggregation of Revenue [Line Items]
Net sales	$ 498,738	$ 477,584	$ 427,534
Automotive Member
Disaggregation of Revenue [Line Items]
Net sales	238,231	220,873	201,811
General Industrial Member
Disaggregation of Revenue [Line Items]
Net sales	139,970	150,602	128,324
Electrical Member
Disaggregation of Revenue [Line Items]
Net sales	70,055	61,748	58,143
Other End Market Member
Disaggregation of Revenue [Line Items]
Net sales	50,482	44,361	39,256
United States
Disaggregation of Revenue [Line Items]
Net sales	301,823	293,235	268,551
CHINA
Disaggregation of Revenue [Line Items]
Net sales	51,556	56,972	52,005
BRAZIL
Disaggregation of Revenue [Line Items]
Net sales	48,216	35,455	27,744
Mexico
Disaggregation of Revenue [Line Items]
Net sales	40,645	35,697	29,865
GERMANY
Disaggregation of Revenue [Line Items]
Net sales	5,506	5,776	6,224
POLAND
Disaggregation of Revenue [Line Items]
Net sales	5,042	3,761	4,927
Other
Disaggregation of Revenue [Line Items]
Net sales	45,950	46,688	38,218
Operating Segments | Mobile Solutions
Disaggregation of Revenue [Line Items]
Net sales	293,536	285,863	256,360
Operating Segments | Mobile Solutions | Automotive Member
Disaggregation of Revenue [Line Items]
Net sales	197,341	182,094	170,389
Operating Segments | Mobile Solutions | General Industrial Member
Disaggregation of Revenue [Line Items]
Net sales	78,142	90,290	75,610
Operating Segments | Mobile Solutions | Electrical Member
Disaggregation of Revenue [Line Items]
Net sales	0	0	0
Operating Segments | Mobile Solutions | Other End Market Member
Disaggregation of Revenue [Line Items]
Net sales	18,053	13,479	10,361
Operating Segments | Mobile Solutions | United States
Disaggregation of Revenue [Line Items]
Net sales	140,931	140,383	129,147
Operating Segments | Mobile Solutions | CHINA
Disaggregation of Revenue [Line Items]
Net sales	46,045	52,227	46,442
Operating Segments | Mobile Solutions | BRAZIL
Disaggregation of Revenue [Line Items]
Net sales	47,266	34,644	27,055
Operating Segments | Mobile Solutions | Mexico
Disaggregation of Revenue [Line Items]
Net sales	23,348	19,520	16,465
Operating Segments | Mobile Solutions | GERMANY
Disaggregation of Revenue [Line Items]
Net sales	5,158	5,230	5,846
Operating Segments | Mobile Solutions | POLAND
Disaggregation of Revenue [Line Items]
Net sales	5,031	3,743	4,913
Operating Segments | Mobile Solutions | Other
Disaggregation of Revenue [Line Items]
Net sales	25,757	30,116	26,492
Operating Segments | Power Solutions
Disaggregation of Revenue [Line Items]
Net sales	205,204	191,800	171,269
Operating Segments | Power Solutions | Automotive Member
Disaggregation of Revenue [Line Items]
Net sales	40,890	38,779	31,422
Operating Segments | Power Solutions | General Industrial Member
Disaggregation of Revenue [Line Items]
Net sales	61,828	60,312	52,714
Operating Segments | Power Solutions | Electrical Member
Disaggregation of Revenue [Line Items]
Net sales	70,055	61,748	58,143
Operating Segments | Power Solutions | Other End Market Member
Disaggregation of Revenue [Line Items]
Net sales	32,431	30,961	28,990
Operating Segments | Power Solutions | United States
Disaggregation of Revenue [Line Items]
Net sales	160,894	152,931	139,499
Operating Segments | Power Solutions | CHINA
Disaggregation of Revenue [Line Items]
Net sales	5,511	4,745	5,563
Operating Segments | Power Solutions | BRAZIL
Disaggregation of Revenue [Line Items]
Net sales	950	811	689
Operating Segments | Power Solutions | Mexico
Disaggregation of Revenue [Line Items]
Net sales	17,297	16,177	13,400
Operating Segments | Power Solutions | GERMANY
Disaggregation of Revenue [Line Items]
Net sales	348	546	378
Operating Segments | Power Solutions | POLAND
Disaggregation of Revenue [Line Items]
Net sales	11	18	14
Operating Segments | Power Solutions | Other
Disaggregation of Revenue [Line Items]
Net sales	20,193	16,572	11,726
Intersegment Eliminations [Member]
Disaggregation of Revenue [Line Items]
Net sales	(2)	(79)	(95)
Intersegment Eliminations [Member] | Other End Market Member
Disaggregation of Revenue [Line Items]
Net sales	(2)	(79)	(95)
Intersegment Eliminations [Member] | United States
Disaggregation of Revenue [Line Items]
Net sales	$ (2)	$ (79)	$ (95)