Earnings Per Share - Computation of Basic and Diluted Earnings Per Share (Detail) - USD ($) $ / shares in Units, shares in Thousands, $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2018	Sep. 30, 2017	Sep. 30, 2018	Sep. 30, 2017
Numerator
Numerator for basic and diluted earnings per share - Net income attributable to Cooper Tire & Rubber Company	$ 53,713	$ 61,687	$ 77,005	$ 137,558
Denominator
Denominator for basic earnings per share - weighted average shares outstanding (in shares)	50,065	52,042	50,443	52,555
Effect of dilutive securities - stock options and other stock units (in shares)	214	393	235	491
Denominator for diluted earnings per share - adjusted weighted average shares outstanding (in shares)	50,279	52,435	50,678	53,046
Earnings per share:
Basic (in dollars per share)	$ 1.07	$ 1.19	$ 1.53	$ 2.62
Diluted (in dollars per share)	$ 1.07	$ 1.18	$ 1.52	$ 2.59