Revenue from Contracts with Customers Summary of Sales to External Customer by Operating Segment (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Disaggregation of Revenue [Line Items]
Net sales	$ 477,584	$ 427,534	$ 489,514
Automotive Member
Disaggregation of Revenue [Line Items]
Net sales	220,873	201,811
General Industrial Member
Disaggregation of Revenue [Line Items]
Net sales	150,602	128,324
Electrical Member
Disaggregation of Revenue [Line Items]
Net sales	61,748	58,143
Other End Market Member
Disaggregation of Revenue [Line Items]
Net sales	44,361	39,256
United States
Disaggregation of Revenue [Line Items]
Net sales	293,235	268,551	319,055
CHINA
Disaggregation of Revenue [Line Items]
Net sales	56,972	52,005	45,515
BRAZIL
Disaggregation of Revenue [Line Items]
Net sales	35,455	27,744	36,358
Mexico
Disaggregation of Revenue [Line Items]
Net sales	35,697	29,865	32,304
GERMANY
Disaggregation of Revenue [Line Items]
Net sales	5,776	6,224	6,437
POLAND
Disaggregation of Revenue [Line Items]
Net sales	3,761	4,927	6,378
Other
Disaggregation of Revenue [Line Items]
Net sales	46,688	38,218	43,467
Operating Segments | Mobile Solutions
Disaggregation of Revenue [Line Items]
Net sales	285,863	256,360	297,749
Operating Segments | Mobile Solutions | Automotive Member
Disaggregation of Revenue [Line Items]
Net sales	182,094	170,389
Operating Segments | Mobile Solutions | General Industrial Member
Disaggregation of Revenue [Line Items]
Net sales	90,290	75,610
Operating Segments | Mobile Solutions | Electrical Member
Disaggregation of Revenue [Line Items]
Net sales	0	0
Operating Segments | Mobile Solutions | Other End Market Member
Disaggregation of Revenue [Line Items]
Net sales	13,479	10,361
Operating Segments | Mobile Solutions | United States
Disaggregation of Revenue [Line Items]
Net sales	140,383	129,147	162,445
Operating Segments | Mobile Solutions | CHINA
Disaggregation of Revenue [Line Items]
Net sales	52,227	46,442	38,793
Operating Segments | Mobile Solutions | BRAZIL
Disaggregation of Revenue [Line Items]
Net sales	34,644	27,055	36,058
Operating Segments | Mobile Solutions | Mexico
Disaggregation of Revenue [Line Items]
Net sales	19,520	16,465	18,815
Operating Segments | Mobile Solutions | GERMANY
Disaggregation of Revenue [Line Items]
Net sales	5,230	5,846	6,372
Operating Segments | Mobile Solutions | POLAND
Disaggregation of Revenue [Line Items]
Net sales	3,743	4,913	6,363
Operating Segments | Mobile Solutions | Other
Disaggregation of Revenue [Line Items]
Net sales	30,116	26,492	28,903
Operating Segments | Power Solutions
Disaggregation of Revenue [Line Items]
Net sales	191,800	171,269	192,100
Operating Segments | Power Solutions | Automotive Member
Disaggregation of Revenue [Line Items]
Net sales	38,779	31,422
Operating Segments | Power Solutions | General Industrial Member
Disaggregation of Revenue [Line Items]
Net sales	60,312	52,714
Operating Segments | Power Solutions | Electrical Member
Disaggregation of Revenue [Line Items]
Net sales	61,748	58,143
Operating Segments | Power Solutions | Other End Market Member
Disaggregation of Revenue [Line Items]
Net sales	30,961	28,990
Operating Segments | Power Solutions | United States
Disaggregation of Revenue [Line Items]
Net sales	152,931	139,499	156,945
Operating Segments | Power Solutions | CHINA
Disaggregation of Revenue [Line Items]
Net sales	4,745	5,563	6,722
Operating Segments | Power Solutions | BRAZIL
Disaggregation of Revenue [Line Items]
Net sales	811	689	300
Operating Segments | Power Solutions | Mexico
Disaggregation of Revenue [Line Items]
Net sales	16,177	13,400	13,489
Operating Segments | Power Solutions | GERMANY
Disaggregation of Revenue [Line Items]
Net sales	546	378	65
Operating Segments | Power Solutions | POLAND
Disaggregation of Revenue [Line Items]
Net sales	18	14	15
Operating Segments | Power Solutions | Other
Disaggregation of Revenue [Line Items]
Net sales	16,572	11,726	14,564
Intersegment Eliminations [Member]
Disaggregation of Revenue [Line Items]
Net sales	(79)	(95)	(335)
Intersegment Eliminations [Member] | Automotive Member
Disaggregation of Revenue [Line Items]
Net sales	0	0
Intersegment Eliminations [Member] | General Industrial Member
Disaggregation of Revenue [Line Items]
Net sales	0	0
Intersegment Eliminations [Member] | Electrical Member
Disaggregation of Revenue [Line Items]
Net sales	0	0
Intersegment Eliminations [Member] | Other End Market Member
Disaggregation of Revenue [Line Items]
Net sales	(79)	(95)
Intersegment Eliminations [Member] | United States
Disaggregation of Revenue [Line Items]
Net sales	(79)	(95)	(335)
Intersegment Eliminations [Member] | CHINA
Disaggregation of Revenue [Line Items]
Net sales	0	0	0
Intersegment Eliminations [Member] | BRAZIL
Disaggregation of Revenue [Line Items]
Net sales	0	0	0
Intersegment Eliminations [Member] | Mexico
Disaggregation of Revenue [Line Items]
Net sales	0	0	0
Intersegment Eliminations [Member] | GERMANY
Disaggregation of Revenue [Line Items]
Net sales	0	0	0
Intersegment Eliminations [Member] | POLAND
Disaggregation of Revenue [Line Items]
Net sales	0	0	0
Intersegment Eliminations [Member] | Other
Disaggregation of Revenue [Line Items]
Net sales	$ 0	$ 0	$ 0