Earnings Per Share - Diluted (Details) - USD ($) $ / shares in Units, $ in Thousands	3 Months Ended
	Mar. 31, 2016	Mar. 31, 2015
Earnings Per Share [Abstract]
Net Income Attributable to Quaker Chemical Corporation	$ 12,946	$ 10,378
Less: Income Allocated to Participating Securities	(113)	(96)
Net Income Available to Common Shareholders	$ 12,833	$ 10,282
Basic Weighted Average Common Shares Outstanding	13,116,807	13,188,761
Effect of Dilutive Securities	12,587	19,896
Diluted Weighted Average Common Shares Outstanding	13,129,394	13,208,657
Diluted Earnings per Common Share	$ 0.98	$ 0.78