Revenue from Contracts with Customers - Summary of Revenue from Contracts with Customers (Detail) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2022	Jun. 30, 2021	Jun. 30, 2022	Jun. 30, 2021
Revenue, Major Customer [Line Items]
Net sales	$ 125,362	$ 123,157	$ 253,429	$ 249,961
Automotive
Revenue, Major Customer [Line Items]
Net sales	58,578	55,904	119,252	116,473
General Industrial
Revenue, Major Customer [Line Items]
Net sales	37,172	39,506	75,312	79,190
Residential/Commercial Electrical
Revenue, Major Customer [Line Items]
Net sales	18,757	16,219	35,956	31,573
Other End Market Member
Revenue, Major Customer [Line Items]
Net sales	10,855	11,528	22,909	22,725
United States and Puerto Rico
Revenue, Major Customer [Line Items]
Net sales	76,294	74,708	154,576	151,905
China
Revenue, Major Customer [Line Items]
Net sales	9,997	14,501	23,793	30,421
Brazil
Revenue, Major Customer [Line Items]
Net sales	11,605	10,328	22,670	20,188
Mexico
Revenue, Major Customer [Line Items]
Net sales	12,445	9,178	22,250	17,590
Germany
Revenue, Major Customer [Line Items]
Net sales	1,194	1,465	2,539	3,396
Poland
Revenue, Major Customer [Line Items]
Net sales	1,159	907	2,503	2,091
Other
Revenue, Major Customer [Line Items]
Net sales	12,668	12,070	25,098	24,370
Operating Segments | Mobile Solutions
Revenue, Major Customer [Line Items]
Net sales	73,350	73,886	149,420	151,662
Operating Segments | Mobile Solutions | Automotive
Revenue, Major Customer [Line Items]
Net sales	48,850	46,247	99,446	96,391
Operating Segments | Mobile Solutions | General Industrial
Revenue, Major Customer [Line Items]
Net sales	20,532	24,449	42,337	48,759
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	3,968	3,190	7,637	6,512
Operating Segments | Mobile Solutions | United States and Puerto Rico
Revenue, Major Customer [Line Items]
Net sales	35,954	35,284	73,764	72,722
Operating Segments | Mobile Solutions | China
Revenue, Major Customer [Line Items]
Net sales	8,764	13,219	21,316	27,633
Operating Segments | Mobile Solutions | Brazil
Revenue, Major Customer [Line Items]
Net sales	11,293	9,985	22,013	19,653
Operating Segments | Mobile Solutions | Mexico
Revenue, Major Customer [Line Items]
Net sales	8,087	4,829	13,151	9,844
Operating Segments | Mobile Solutions | Germany
Revenue, Major Customer [Line Items]
Net sales	1,121	1,369	2,404	3,136
Operating Segments | Mobile Solutions | Poland
Revenue, Major Customer [Line Items]
Net sales	1,158	904	2,498	2,084
Operating Segments | Mobile Solutions | Other
Revenue, Major Customer [Line Items]
Net sales	6,973	8,296	14,274	16,590
Operating Segments | Power Solutions
Revenue, Major Customer [Line Items]
Net sales	52,049	49,271	104,060	98,346
Operating Segments | Power Solutions | Automotive
Revenue, Major Customer [Line Items]
Net sales	9,728	9,657	19,806	20,082
Operating Segments | Power Solutions | General Industrial
Revenue, Major Customer [Line Items]
Net sales	16,640	15,057	32,975	30,431
Operating Segments | Power Solutions | Residential/Commercial Electrical
Revenue, Major Customer [Line Items]
Net sales	18,757	16,219	35,956	31,573
Operating Segments | Power Solutions | Other End Market Member
Revenue, Major Customer [Line Items]
Net sales	6,924	8,338	15,323	16,260
Operating Segments | Power Solutions | United States and Puerto Rico
Revenue, Major Customer [Line Items]
Net sales	40,377	39,424	80,863	79,230
Operating Segments | Power Solutions | China
Revenue, Major Customer [Line Items]
Net sales	1,233	1,282	2,477	2,788
Operating Segments | Power Solutions | Brazil
Revenue, Major Customer [Line Items]
Net sales	312	343	657	535
Operating Segments | Power Solutions | Mexico
Revenue, Major Customer [Line Items]
Net sales	4,358	4,349	9,099	7,746
Operating Segments | Power Solutions | Germany
Revenue, Major Customer [Line Items]
Net sales	73	96	135	260
Operating Segments | Power Solutions | Poland
Revenue, Major Customer [Line Items]
Net sales	1	3	5	7
Operating Segments | Power Solutions | Other
Revenue, Major Customer [Line Items]
Net sales	5,695	3,774	10,824	7,780
Intersegment Eliminations [Member]
Revenue, Major Customer [Line Items]
Net sales	(37)	0	(51)	(47)
Intersegment Eliminations [Member] | Other End Market Member
Revenue, Major Customer [Line Items]
Net sales	(37)	$ 0	$ (51)	$ (47)
Intersegment Eliminations [Member] | United States and Puerto Rico
Revenue, Major Customer [Line Items]
Net sales	$ (37)