Investments in Affiliates (Details) - USD ($) $ in Thousands	12 Months Ended
Dec. 31, 2017	Dec. 31, 2016	Dec. 31, 2015
Schedule of Equity Method Investments [Line Items]
Equity Method Investments	$ 42,634	$ 42,606
Proceeds from Equity Method Investment, Distribution	5,382	3,022	$ 1,917
Proceeds from divestitures and sale of investment in affiliate	$ 0	$ 0	$ 33,500
INDIA \| Sujan Cooper Standard AVS Private Limited [Member]
Schedule of Equity Method Investments [Line Items]
Equity Method Investment, Ownership Percentage	50.00%	50.00%
INDIA \| Polyrub Cooper Standard FTS Private Limited [Member]
Schedule of Equity Method Investments [Line Items]
Equity Method Investment, Ownership Percentage	35.00%	35.00%
United States \| Nishikawa Cooper LLC [Member]
Schedule of Equity Method Investments [Line Items]
Equity Method Investment, Ownership Percentage	40.00%	40.00%
THAILAND \| Nishikawa Tachaplalert Cooper Ltd. [Member]
Schedule of Equity Method Investments [Line Items]
Equity Method Investment, Ownership Percentage	20.00%	20.00%

Amount of distribution received from equity method investee for return on investment, classified as operating activities. Excludes distribution for return of investment, classified as investing activities.

Reference 1: http://www.xbrl.org/2003/role/presentationRef
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Reference 3: http://www.xbrl.org/2003/role/presentationRef
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Reference 1: http://www.xbrl.org/2003/role/presentationRef
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