Business Acquisitions and Investments (Details) - USD ($) $ in Thousands	1 Months Ended		3 Months Ended								9 Months Ended	12 Months Ended
	May 31, 2019	Apr. 30, 2019	Dec. 31, 2019	Sep. 30, 2019	Jun. 30, 2019	Mar. 31, 2019	Dec. 31, 2018	Sep. 30, 2018	Jun. 30, 2018	Mar. 31, 2018	Dec. 31, 2019	Dec. 31, 2019		Dec. 31, 2018		Dec. 31, 2017		Aug. 31, 2019	Apr. 30, 2014
Business Combination, Description [Abstract]
Investment in unconsolidated affiliates			$ 38,858				$ 32,469				$ 38,858	$ 38,858		$ 32,469		$ 31,184
Allocation of the Purchase Price, Assets Acquired and Liabilities Assumed [Abstract]
Net sales			241,252	$ 307,723	$ 305,172	$ 283,766	246,970	$ 296,619	$ 286,636	$ 261,826		1,137,913	[1],[2]	1,092,051	[1],[2]	1,116,143	[1],[2],[3],[4]
Assets acquired and liabilities assumed [Abstract]
Goodwill			$ 77,802				$ 67,321				$ 77,802	$ 77,802		67,321		$ 67,413
Foshan GWO YNG SMP Vehicle Climate Control & Cooling Products Co. Ltd. [Member]
Business Combination, Description [Abstract]
Percentage of equity interest acquired in joint venture			65.00%							15.00%	65.00%	65.00%							50.00%
Investment in unconsolidated affiliates										$ 4,200									$ 14,000
Pollak business of Stoneridge, Inc. [Member]
Allocation of the Purchase Price, Assets Acquired and Liabilities Assumed [Abstract]
Acquisition of assets and liabilities		$ 40,000
Post-closing adjustments amount	$ 1,600
Net sales														$ 45,000
Purchase Price		38,427
Assets acquired and liabilities assumed [Abstract]
Inventory		3,331
Property, plant and equipment, net		45
Intangible assets		24,650
Goodwill		10,401
Net assets acquired		38,427
Revenues											$ 28,200
Pollak business of Stoneridge, Inc. [Member] | Customer Relationships [Member]
Assets acquired and liabilities assumed [Abstract]
Intangible assets		$ 7,200
Estimated useful life of intangible assets		15 years										15 years
Pollak business of Stoneridge, Inc. [Member] | Trademarks [Member]
Assets acquired and liabilities assumed [Abstract]
Intangible assets		$ 200
Estimated useful life of intangible assets												10 years
Pollak business of Stoneridge, Inc. [Member] | Non-Compete Agreements [Member]
Assets acquired and liabilities assumed [Abstract]
Intangible assets		$ 100
Estimated useful life of intangible assets		5 years										5 years
Pollak business of Stoneridge, Inc. [Member] | OE/OES [Member] | Customer Relationships [Member]
Assets acquired and liabilities assumed [Abstract]
Intangible assets		$ 17,200
Estimated useful life of intangible assets		10 years										10 years
Pollak business of Stoneridge, Inc. [Member] | OE/OES [Member] | Trademarks [Member]
Assets acquired and liabilities assumed [Abstract]
Intangible assets		$ 200
Estimated useful life of intangible assets		10 years
Jiangsu Che Yijia New Energy Technology Co., Ltd. [Member]
Business Combination, Description [Abstract]
Percentage of equity interest acquired in joint venture																		29.00%
Investment in unconsolidated affiliates																		$ 5,100

[1] Revenues are attributed to countries based upon the location of the customer.

[2] Segment net sales include intersegment sales in our Engine Management and Temperature Control segments.

[3] Net sales and intersegment sales for 2017 have not been restated and are reported under accounting standards in effect in the period presented, as we adopted ASU 2014-09, Revenue from Contracts with Customers, on January 1, 2018 using the modified retrospective method.

[4] Revenues for 2017 have not been restated and are reported under accounting standards in effect in the period presented, as we adopted ASU 2014-09, Revenue from Contracts with Customers, on January 1, 2018 using the modified retrospective method.