Earnings Per Share (Tables)

9 Months Ended

Sep. 30, 2018

Earnings Per Share [Abstract]

Schedule of Earnings Per Share, Basic and Diluted [Table Text Block]

		Three Months Ended				Nine Months Ended
		September 30,				September 30,
		2018		2017		2018		2017
Basic earnings per common share
	Net income attributable to Quaker Chemical Corporation	$	19,690	$	11,142	$	51,668	$	30,040
	Less: income allocated to participating securities		(77)		(76)		(226)		(222)
	Net income available to common shareholders	$	19,613	$	11,066	$	51,442	$	29,818
	Basic weighted average common shares outstanding		13,278,259		13,217,165		13,263,417		13,196,255
Basic earnings per common share		$	1.48	$	0.84	$	3.88	$	2.26
Diluted earnings per common share
	Net income attributable to Quaker Chemical Corporation	$	19,690	$	11,142	$	51,668	$	30,040
	Less: income allocated to participating securities		(77)		(76)		(226)		(222)
	Net income available to common shareholders	$	19,613	$	11,066	$	51,442	$	29,818
	Basic weighted average common shares outstanding		13,278,259		13,217,165		13,263,417		13,196,255
	Effect of dilutive securities		37,282		34,528		33,928		41,818
	Diluted weighted average common shares outstanding		13,315,541		13,251,693		13,297,345		13,238,073
Diluted earnings per common share		$	1.47	$	0.83	$	3.87	$	2.25