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Segment Reporting - Segment Information About Reported Segment Product Revenues by Product Category (Detail) - USD ($) $ in Thousands | 12 Months Ended
--- | ---
Dec. 31, 2024 | Dec. 31, 2023 | Dec. 31, 2022
Segment Reporting Information [Line Items] |  |  |  |
Product revenues |  | $ 1,456,124 | $ 1,469,076 | $ 1,204,656
Automotive Segments |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |
Product revenues |  | 1,406,278 | 1,422,952 | 1,161,616
Automotive Segments | Climate Control Seat |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |
Product revenues |  | 468,820 | 482,665 | 426,046
Automotive Segments | Seat Heaters |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |
Product revenues |  | 297,866 | 308,588 | 283,970
Automotive Segments | Steering Wheel Heaters |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |
Product revenues |  | 169,763 | 153,943 | 120,949
Automotive Segments | Lumbar and Massage Comfort Solutions |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |
Product revenues | [1] | 178,584 | 144,923 | 56,980
Automotive Segments | Valve Systems |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |
Product revenues | [1] | 105,056 | 106,262 | 41,980
Automotive Segments | Automotive Cables |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |
Product revenues |  | 73,091 | 79,993 | 76,962
Automotive Segments | Battery Performance Solutions |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |
Product revenues |  | 58,183 | 75,484 | 71,907
Automotive Segments | Electronics |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |
Product revenues |  | 33,065 | 40,387 | 44,106
Automotive Segments | Other Automotive |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |
Product revenues |  | 21,850 | 30,707 | 38,716
Industrial Segments | Medical |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |
Product revenues | [1] | $ 49,846 | $ 46,124 | $ 43,040
[1] | Includes product revenues from acquisitions since their respective acquisition dates (see Note 4).

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