Revenue from Contracts with Customers - Summary of Revenue from Contracts with Customers (Detail) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2022	Sep. 30, 2021	Sep. 30, 2022	Sep. 30, 2021
Revenue, Major Customer [Line Items]
Net sales	$ 127,297	$ 117,244	$ 380,726	$ 367,205
Automotive
Revenue, Major Customer [Line Items]
Net sales	62,210	53,378	181,462	169,851
General Industrial
Revenue, Major Customer [Line Items]
Net sales	34,297	36,582	109,609	115,772
Residential/Commercial Electrical
Revenue, Major Customer [Line Items]
Net sales	17,025	16,078	52,981	47,651
Other End Market Member
Revenue, Major Customer [Line Items]
Net sales	13,765	11,206	36,674	33,931
United States and Puerto Rico
Revenue, Major Customer [Line Items]
Net sales	75,049	74,103	229,625	226,008
China
Revenue, Major Customer [Line Items]
Net sales	14,217	11,598	38,010	42,019
Brazil
Revenue, Major Customer [Line Items]
Net sales	14,246	9,143	36,916	29,331
Mexico
Revenue, Major Customer [Line Items]
Net sales	9,954	9,608	32,204	27,198
Germany
Revenue, Major Customer [Line Items]
Net sales	1,516	1,239	4,055	4,635
Poland
Revenue, Major Customer [Line Items]
Net sales	1,102	701	3,605	2,792
Other
Revenue, Major Customer [Line Items]
Net sales	11,213	10,852	36,311	35,222
Operating Segments | Mobile Solutions
Revenue, Major Customer [Line Items]
Net sales	76,122	68,586	225,542	220,248
Operating Segments | Mobile Solutions | Automotive
Revenue, Major Customer [Line Items]
Net sales	51,388	43,486	150,834	139,877
Operating Segments | Mobile Solutions | General Industrial
Revenue, Major Customer [Line Items]
Net sales	19,546	21,396	61,883	70,155
Operating Segments | Mobile Solutions | Residential/Commercial Electrical
Revenue, Major Customer [Line Items]
Net sales	0	0	0	0
Operating Segments | Mobile Solutions | Other End Market Member
Revenue, Major Customer [Line Items]
Net sales	5,188	3,704	12,825	10,216
Operating Segments | Mobile Solutions | United States and Puerto Rico
Revenue, Major Customer [Line Items]
Net sales	35,419	35,812	109,183	108,534
Operating Segments | Mobile Solutions | China
Revenue, Major Customer [Line Items]
Net sales	12,839	10,849	34,155	38,482
Operating Segments | Mobile Solutions | Brazil
Revenue, Major Customer [Line Items]
Net sales	14,109	8,951	36,122	28,604
Operating Segments | Mobile Solutions | Mexico
Revenue, Major Customer [Line Items]
Net sales	5,185	4,981	18,336	14,825
Operating Segments | Mobile Solutions | Germany
Revenue, Major Customer [Line Items]
Net sales	1,432	1,080	3,836	4,216
Operating Segments | Mobile Solutions | Poland
Revenue, Major Customer [Line Items]
Net sales	1,100	698	3,598	2,782
Operating Segments | Mobile Solutions | Other
Revenue, Major Customer [Line Items]
Net sales	6,038	6,215	20,312	22,805
Operating Segments | Power Solutions
Revenue, Major Customer [Line Items]
Net sales	51,124	48,680	155,184	147,026
Operating Segments | Power Solutions | Automotive
Revenue, Major Customer [Line Items]
Net sales	10,822	9,892	30,628	29,974
Operating Segments | Power Solutions | General Industrial
Revenue, Major Customer [Line Items]
Net sales	14,751	15,186	47,726	45,617
Operating Segments | Power Solutions | Residential/Commercial Electrical
Revenue, Major Customer [Line Items]
Net sales	17,025	16,078	52,981	47,651
Operating Segments | Power Solutions | Other End Market Member
Revenue, Major Customer [Line Items]
Net sales	8,526	7,524	23,849	23,784
Operating Segments | Power Solutions | United States and Puerto Rico
Revenue, Major Customer [Line Items]
Net sales	39,579	38,313	120,442	117,543
Operating Segments | Power Solutions | China
Revenue, Major Customer [Line Items]
Net sales	1,378	749	3,855	3,537
Operating Segments | Power Solutions | Brazil
Revenue, Major Customer [Line Items]
Net sales	137	192	794	727
Operating Segments | Power Solutions | Mexico
Revenue, Major Customer [Line Items]
Net sales	4,769	4,627	13,868	12,373
Operating Segments | Power Solutions | Germany
Revenue, Major Customer [Line Items]
Net sales	84	159	219	419
Operating Segments | Power Solutions | Poland
Revenue, Major Customer [Line Items]
Net sales	2	3	7	10
Operating Segments | Power Solutions | Other
Revenue, Major Customer [Line Items]
Net sales	5,175	4,637	15,999	12,417
Intersegment Eliminations [Member]
Revenue, Major Customer [Line Items]
Net sales	51	(22)	0	(69)
Intersegment Eliminations [Member] | Other End Market Member
Revenue, Major Customer [Line Items]
Net sales	51	(22)	$ 0	$ (69)
Intersegment Eliminations [Member] | United States and Puerto Rico
Revenue, Major Customer [Line Items]
Net sales	$ 51	$ (22)