Business Acquisitions, and Investments, European OE Business Acquisition (Details) (Standard Motor Products Holdings Ltd [Member])	1 Months Ended		12 Months Ended	1 Months Ended	12 Months Ended
	Feb. 28, 2013 USD ($)	Feb. 28, 2013 GBP (£)	Dec. 31, 2013 USD ($)	Feb. 28, 2013 Customer Relationships [Member] USD ($)	Dec. 31, 2014 Customer Relationships [Member] USD ($)
Business Acquisition [Line Items]
Purchase price of business	$ 6,500,000	£ 4,200,000
Intangible assets acquired in business acquisition				3,800,000	3,800,000
Goodwill acquired in business acquisition	$ 2,000,000		$ 2,027,000
Estimated useful life of intangible assets				10 years	10 years