Earnings Per Share - Basic (Details) - USD ($) $ / shares in Units, $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2016	Jun. 30, 2015	Jun. 30, 2016	Jun. 30, 2015
Earnings Per Share [Abstract]
Net Income Attributable to Quaker Chemical Corporation	$ 15,015	$ 15,038	$ 27,961	$ 25,416
Less: Income Allocated to Participating Securities	(130)	(131)	(243)	(229)
Net Income Available to Common Shareholders	$ 14,885	$ 14,907	$ 27,718	$ 25,187
Basic Weighted Average Common Shares Outstanding	13,126,134	13,220,264	13,121,470	13,204,599
Basic Earnings Per Common Share	$ 1.13	$ 1.13	$ 2.11	$ 1.91