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Segment Reporting - Segment Information About Reported Segment Product Revenues by Product Category (Detail) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2024	Mar. 31, 2023
Segment Reporting Information [Line Items]
Product revenues	$ 356,015	$ 363,625
Automotive Segments
Segment Reporting Information [Line Items]
Product revenues	344,638	352,692
Automotive Segments | Climate Control Seat
Segment Reporting Information [Line Items]
Product revenues	115,590	114,753
Automotive Segments | Seat Heaters
Segment Reporting Information [Line Items]
Product revenues	77,076	75,636
Automotive Segments | Steering Wheel Heaters
Segment Reporting Information [Line Items]
Product revenues	39,814	36,347
Automotive Segments | Lumbar and Massage Comfort Solutions
Segment Reporting Information [Line Items]
Product revenues	38,251	38,738
Automotive Segments | Valve System
Segment Reporting Information [Line Items]
Product revenues	26,625	26,994
Automotive Segments | Automotive Cables
Segment Reporting Information [Line Items]
Product revenues	21,519	20,220
Automotive Segments | Battery Performance Solutions
Segment Reporting Information [Line Items]
Product revenues	13,608	20,309
Automotive Segments | Electronics
Segment Reporting Information [Line Items]
Product revenues	8,185	10,970
Automotive Segments | Other Automotive
Segment Reporting Information [Line Items]
Product revenues	3,970	8,725
Industrial Segments | Medical
Segment Reporting Information [Line Items]
Product revenues	$ 11,377	$ 10,933

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Amount, excluding tax collected from customer, of revenue from satisfaction of performance obligation by transferring promised good or service to customer. Tax collected from customer is tax assessed by governmental authority that is both imposed on and concurrent with specific revenue-producing transaction, including, but not limited to, sales, use, value added and excise.

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