Common Stock (Details) - USD ($) $ / shares in Units, $ in Thousands	1 Months Ended	3 Months Ended
	Mar. 31, 2016	Mar. 31, 2017	Mar. 31, 2016
Equity, Class of Treasury Stock [Line Items]
Secondary Offering Shares Sold By Selling Stockholders	2,278,031
Treasury Stock Acquired, Average Cost Per Share	$ 68.00
Secondary offering underwriting fees		$ 0	$ 5,900
Professional Fees			$ 600
Common Stock [Member]
Equity, Class of Treasury Stock [Line Items]
Repurchase of common stock (shares)	350,000
Cooper Standard Holdings Inc Equity [Member]
Equity, Class of Treasury Stock [Line Items]
Repurchase of common stock	$ 23,800