Cost Reduction and Manufacturing Capacity Rationalization - Summary of Accrued Restructuring Balances (Details) - USD ($)	3 Months Ended				9 Months Ended
	Sep. 30, 2024	Jun. 30, 2024	Mar. 31, 2024	Sep. 30, 2023	Sep. 30, 2024
Restructuring Reserve [Roll Forward]
Beginning balance	$ 634,000	$ 735,000	$ 1,111,000		$ 1,111,000
New charges	4,217,000	3,775,000	1,777,000	$ 0	9,800,000
Payments and other adjustments	(4,422,000)	(3,876,000)	(2,153,000)
Ending balance	429,000	634,000	735,000		429,000
Operating Segments | Vehicle Solutions
Restructuring Reserve [Roll Forward]
Beginning balance	124,000	128,000	128,000		128,000
New charges	2,188,000	2,199,000	489,000
Payments and other adjustments	(2,312,000)	(2,203,000)	(489,000)
Ending balance	0	124,000	128,000		0
Operating Segments | Electrical Systems
Restructuring Reserve [Roll Forward]
Beginning balance	0	0	0		0
New charges	1,276,000	1,379,000	1,090,000
Payments and other adjustments	(1,276,000)	(1,379,000)	(1,090,000)
Ending balance	0	0	0		0
Operating Segments | Aftermarket & Accessories
Restructuring Reserve [Roll Forward]
Beginning balance	0	0	0		0
New charges	753,000	197,000	34,000
Payments and other adjustments	(753,000)	(197,000)	(34,000)
Ending balance	0	0	0		0
Corporate/Other
Restructuring Reserve [Roll Forward]
Beginning balance	510,000	607,000	983,000		983,000
New charges	0	0	164,000
Payments and other adjustments	(81,000)	(97,000)	(540,000)
Ending balance	$ 429,000	$ 510,000	$ 607,000		$ 429,000