Earnings Per Share (Tables)

9 Months Ended

Sep. 30, 2013

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,
		2013		2012		2013		2012
Basic earnings per common share
	Net income attributable to Quaker Chemical Corporation	$	12,551	$	10,925	$	42,253	$	34,398
	Less: income allocated to participating securities		(109)		(103)		(358)		(402)
	Net income available to common shareholders	$	12,442	$	10,822	$	41,895	$	33,996
	Basic weighted average common shares outstanding		13,062,417		12,937,417		13,034,289		12,840,029
Basic earnings per common share		$	0.95	$	0.84	$	3.21	$	2.65
Diluted earnings per common share
	Net income attributable to Quaker Chemical Corporation	$	12,551	$	10,925	$	42,253	$	34,398
	Less: income allocated to participating securities		(109)		(102)		(357)		(401)
	Net income available to common shareholders	$	12,442	$	10,823	$	41,896	$	33,997
	Basic weighted average common shares outstanding		13,062,417		12,937,417		13,034,289		12,840,029
	Effect of dilutive securities and employee stock options		22,488		33,892		25,909		70,265
	Diluted weighted average common shares outstanding		13,084,905		12,971,309		13,060,198		12,910,294
Diluted earnings per common share		$	0.95	$	0.83	$	3.21	$	2.63