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Revenue from Contracts with Customers - Summary of Revenue from Contracts with Customers (Detail) - USD ($) $ in Thousands | 3 Months Ended | 9 Months Ended
--- | --- | ---
Sep. 30, 2021 | Sep. 30, 2020 | Sep. 30, 2021 | Sep. 30, 2020
Revenue, Major Customer [Line Items] |  |  |  |
Net sales | $ 117,244 | $ 113,761 | $ 367,205 | $ 308,506
Automotive |  |  |  |
Revenue, Major Customer [Line Items] |  |  |  |
Net sales | 55,941 | 58,113 | 177,913 | 148,879
General Industrial |  |  |  |
Revenue, Major Customer [Line Items] |  |  |  |
Net sales | 33,669 | 33,054 | 109,763 | 92,099
Residential/Commercial Electrical |  |  |  |
Revenue, Major Customer [Line Items] |  |  |  |
Net sales | 16,257 | 12,996 | 48,237 | 39,695
Other |  |  |  |
Revenue, Major Customer [Line Items] |  |  |  |
Net sales | 11,377 | 9,598 | 31,292 | 27,833
United States and Puerto Rico |  |  |  |
Revenue, Major Customer [Line Items] |  |  |  |
Net sales | 74,103 | 72,390 | 226,008 | 198,844
China |  |  |  |
Revenue, Major Customer [Line Items] |  |  |  |
Net sales | 11,598 | 14,365 | 42,019 | 35,192
Brazil |  |  |  |
Revenue, Major Customer [Line Items] |  |  |  |
Net sales | 9,143 | 7,353 | 29,331 | 18,261
Mexico |  |  |  |
Revenue, Major Customer [Line Items] |  |  |  |
Net sales | 9,608 | 7,693 | 27,198 | 21,247
Germany |  |  |  |
Revenue, Major Customer [Line Items] |  |  |  |
Net sales | 1,239 | 1,532 | 4,635 | 4,662
Poland |  |  |  |
Revenue, Major Customer [Line Items] |  |  |  |
Net sales | 701 | 1,346 | 2,792 | 3,452
Other |  |  |  |
Revenue, Major Customer [Line Items] |  |  |  |
Net sales | 10,852 | 9,082 | 35,222 | 26,848
Operating Segments | Mobile Solutions |  |  |  |
Revenue, Major Customer [Line Items] |  |  |  |
Net sales | 68,586 | 70,371 | 220,248 | 181,292
Operating Segments | Mobile Solutions | Automotive |  |  |  |
Revenue, Major Customer [Line Items] |  |  |  |
Net sales | 43,486 | 47,484 | 139,877 | 119,069
Operating Segments | Mobile Solutions | General Industrial |  |  |  |
Revenue, Major Customer [Line Items] |  |  |  |
Net sales | 21,396 | 19,912 | 70,155 | 55,069
Operating Segments | Mobile Solutions | Other |  |  |  |
Revenue, Major Customer [Line Items] |  |  |  |
Net sales | 3,704 | 2,975 | 10,216 | 7,154
Operating Segments | Mobile Solutions | United States and Puerto Rico |  |  |  |
Revenue, Major Customer [Line Items] |  |  |  |
Net sales | 35,812 | 37,116 | 108,534 | 94,482
Operating Segments | Mobile Solutions | China |  |  |  |
Revenue, Major Customer [Line Items] |  |  |  |
Net sales | 10,849 | 12,785 | 38,482 | 31,203
Operating Segments | Mobile Solutions | Brazil |  |  |  |
Revenue, Major Customer [Line Items] |  |  |  |
Net sales | 8,951 | 7,100 | 28,604 | 17,815
Operating Segments | Mobile Solutions | Mexico |  |  |  |
Revenue, Major Customer [Line Items] |  |  |  |
Net sales | 4,981 | 4,454 | 14,825 | 11,746
Operating Segments | Mobile Solutions | Germany |  |  |  |
Revenue, Major Customer [Line Items] |  |  |  |
Net sales | 1,080 | 1,400 | 4,216 | 4,401
Operating Segments | Mobile Solutions | Poland |  |  |  |
Revenue, Major Customer [Line Items] |  |  |  |
Net sales | 698 | 1,342 | 2,782 | 3,441
Operating Segments | Mobile Solutions | Other |  |  |  |
Revenue, Major Customer [Line Items] |  |  |  |
Net sales | 6,215 | 6,174 | 22,805 | 18,204
Operating Segments | Power Solutions |  |  |  |
Revenue, Major Customer [Line Items] |  |  |  |
Net sales | 48,680 | 43,415 | 147,026 | 127,307
Operating Segments | Power Solutions | Automotive |  |  |  |
Revenue, Major Customer [Line Items] |  |  |  |
Net sales | 12,455 | 10,629 | 38,036 | 29,810
Operating Segments | Power Solutions | General Industrial |  |  |  |
Revenue, Major Customer [Line Items] |  |  |  |
Net sales | 12,273 | 13,142 | 39,608 | 37,030
Operating Segments | Power Solutions | Residential/Commercial Electrical |  |  |  |
Revenue, Major Customer [Line Items] |  |  |  |
Net sales | 16,257 | 12,996 | 48,237 | 39,695
Operating Segments | Power Solutions | Other |  |  |  |
Revenue, Major Customer [Line Items] |  |  |  |
Net sales | 7,695 | 6,648 | 21,145 | 20,772
Operating Segments | Power Solutions | United States and Puerto Rico |  |  |  |
Revenue, Major Customer [Line Items] |  |  |  |
Net sales | 38,313 | 35,299 | 117,543 | 104,455
Operating Segments | Power Solutions | China |  |  |  |
Revenue, Major Customer [Line Items] |  |  |  |
Net sales | 749 | 1,580 | 3,537 | 3,989
Operating Segments | Power Solutions | Brazil |  |  |  |
Revenue, Major Customer [Line Items] |  |  |  |
Net sales | 192 | 253 | 727 | 446
Operating Segments | Power Solutions | Mexico |  |  |  |
Revenue, Major Customer [Line Items] |  |  |  |
Net sales | 4,627 | 3,239 | 12,373 | 9,501
Operating Segments | Power Solutions | Germany |  |  |  |
Revenue, Major Customer [Line Items] |  |  |  |
Net sales | 159 | 132 | 419 | 261
Operating Segments | Power Solutions | Poland |  |  |  |
Revenue, Major Customer [Line Items] |  |  |  |
Net sales | 3 | 4 | 10 | 11
Operating Segments | Power Solutions | Other |  |  |  |
Revenue, Major Customer [Line Items] |  |  |  |
Net sales | 4,637 | 2,908 | 12,417 | 8,644
Intersegment Sales Eliminations |  |  |  |
Revenue, Major Customer [Line Items] |  |  |  |
Net sales | (22) | (25) | (69) | (93)
Intersegment Sales Eliminations | Other |  |  |  |
Revenue, Major Customer [Line Items] |  |  |  |
Net sales | (22) | (25) | (69) | (93)
Intersegment Sales Eliminations | United States and Puerto Rico |  |  |  |
Revenue, Major Customer [Line Items] |  |  |  |
Net sales | $ (22) | $ (25) | $ (69) | $ (93)

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