Revenue from Contracts with Customers - Summary of Revenue from Contracts with Customers (Detail) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2022	Mar. 31, 2021
Revenue, Major Customer [Line Items]
Net sales	$ 128,067	$ 126,804
Automotive
Revenue, Major Customer [Line Items]
Net sales	60,674	60,569
General Industrial
Revenue, Major Customer [Line Items]
Net sales	38,140	39,684
Residential/Commercial Electrical
Revenue, Major Customer [Line Items]
Net sales	17,199	15,354
Other End Market Member
Revenue, Major Customer [Line Items]
Net sales	12,054	11,197
United States and Puerto Rico
Revenue, Major Customer [Line Items]
Net sales	78,282	77,197
China
Revenue, Major Customer [Line Items]
Net sales	13,796	15,920
Brazil
Revenue, Major Customer [Line Items]
Net sales	11,065	9,860
Mexico
Revenue, Major Customer [Line Items]
Net sales	9,805	8,412
Germany
Revenue, Major Customer [Line Items]
Net sales	1,345	1,931
Poland
Revenue, Major Customer [Line Items]
Net sales	1,344	1,184
Other
Revenue, Major Customer [Line Items]
Net sales	12,430	12,300
Operating Segments | Mobile Solutions
Revenue, Major Customer [Line Items]
Net sales	76,070	77,776
Operating Segments | Mobile Solutions | Automotive
Revenue, Major Customer [Line Items]
Net sales	50,596	50,144
Operating Segments | Mobile Solutions | General Industrial
Revenue, Major Customer [Line Items]
Net sales	21,805	24,310
Operating Segments | Mobile Solutions | Residential/Commercial Electrical
Revenue, Major Customer [Line Items]
Net sales	0	0
Operating Segments | Mobile Solutions | Other End Market Member
Revenue, Major Customer [Line Items]
Net sales	3,669	3,322
Operating Segments | Mobile Solutions | United States and Puerto Rico
Revenue, Major Customer [Line Items]
Net sales	37,810	37,438
Operating Segments | Mobile Solutions | China
Revenue, Major Customer [Line Items]
Net sales	12,552	14,414
Operating Segments | Mobile Solutions | Brazil
Revenue, Major Customer [Line Items]
Net sales	10,720	9,668
Operating Segments | Mobile Solutions | Mexico
Revenue, Major Customer [Line Items]
Net sales	5,064	5,015
Operating Segments | Mobile Solutions | Germany
Revenue, Major Customer [Line Items]
Net sales	1,283	1,767
Operating Segments | Mobile Solutions | Poland
Revenue, Major Customer [Line Items]
Net sales	1,340	1,180
Operating Segments | Mobile Solutions | Other
Revenue, Major Customer [Line Items]
Net sales	7,301	8,294
Operating Segments | Power Solutions
Revenue, Major Customer [Line Items]
Net sales	52,011	49,075
Operating Segments | Power Solutions | Automotive
Revenue, Major Customer [Line Items]
Net sales	10,078	10,425
Operating Segments | Power Solutions | General Industrial
Revenue, Major Customer [Line Items]
Net sales	16,335	15,374
Operating Segments | Power Solutions | Residential/Commercial Electrical
Revenue, Major Customer [Line Items]
Net sales	17,199	15,354
Operating Segments | Power Solutions | Other End Market Member
Revenue, Major Customer [Line Items]
Net sales	8,399	7,922
Operating Segments | Power Solutions | United States and Puerto Rico
Revenue, Major Customer [Line Items]
Net sales	40,486	39,806
Operating Segments | Power Solutions | China
Revenue, Major Customer [Line Items]
Net sales	1,244	1,506
Operating Segments | Power Solutions | Brazil
Revenue, Major Customer [Line Items]
Net sales	345	192
Operating Segments | Power Solutions | Mexico
Revenue, Major Customer [Line Items]
Net sales	4,741	3,397
Operating Segments | Power Solutions | Germany
Revenue, Major Customer [Line Items]
Net sales	62	164
Operating Segments | Power Solutions | Poland
Revenue, Major Customer [Line Items]
Net sales	4	4
Operating Segments | Power Solutions | Other
Revenue, Major Customer [Line Items]
Net sales	5,129	4,006
Intersegment Sales Eliminations
Revenue, Major Customer [Line Items]
Net sales	(14)	(47)
Intersegment Sales Eliminations | Other End Market Member
Revenue, Major Customer [Line Items]
Net sales	(14)	(47)
Intersegment Sales Eliminations | United States and Puerto Rico
Revenue, Major Customer [Line Items]
Net sales	$ (14)	$ (47)