Earnings Per Share (Tables)

12 Months Ended

Dec. 31, 2018

Earnings Per Share [Abstract]

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

		2018		2017		2016
Basic earnings per common share
	Net income attributable to Quaker Chemical Corporation	$	59,473	$	20,278	$	61,403
	Less: income allocated to participating securities		(253)		(137)		(515)
	Net income available to common shareholders	$	59,220	$	20,141	$	60,888
	Basic weighted average common shares outstanding		13,268,047		13,204,872		13,136,138
Basic earnings per common share		$	4.46	$	1.53	$	4.64
Diluted earnings per common share
	Net income attributable to Quaker Chemical Corporation	$	59,473	$	20,278	$	61,403
	Less: income allocated to participating securities		(252)		(137)		(514)
	Net income available to common shareholders	$	59,221	$	20,141	$	60,889
	Basic weighted average common shares outstanding		13,268,047		13,204,872		13,136,138
	Effect of dilutive securities		36,685		41,074		24,331
	Diluted weighted average common shares outstanding		13,304,732		13,245,946		13,160,469
Diluted earnings per common share		$	4.45	$	1.52	$	4.63