Earnings Per Share (Tables)

12 Months Ended

Dec. 31, 2017

Earnings Per Share [Abstract]

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

		2017		2016		2015
Basic earnings per common share
	Net income attributable to Quaker Chemical Corporation	$	20,278	$	61,403	$	51,180
	Less: income allocated to participating securities		(137)		(515)		(443)
	Net income available to common shareholders	$	20,141	$	60,888	$	50,737
	Basic weighted average common shares outstanding		13,204,872		13,136,138		13,199,630
Basic earnings per common share		$	1.53	$	4.64	$	3.84
Diluted earnings per common share
	Net income attributable to Quaker Chemical Corporation	$	20,278	$	61,403	$	51,180
	Less: income allocated to participating securities		(137)		(514)		(443)
	Net income available to common shareholders	$	20,141	$	60,889	$	50,737
	Basic weighted average common shares outstanding		13,204,872		13,136,138		13,199,630
	Effect of dilutive securities		41,074		24,331		15,219
	Diluted weighted average common shares outstanding		13,245,946		13,160,469		13,214,849
Diluted earnings per common share		$	1.52	$	4.63	$	3.84