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Earnings Per Share - Basic (Details) (USD $)
In Thousands, except Share data, unless otherwise specified
3 Months Ended
Mar. 31, 2014
Mar. 31, 2013
Earnings Per Share [Abstract]    
Net Income Attributable to Quaker Chemical Corporation $ 12,730 $ 13,619
Less: Income Allocated to Participating Securities (112) (111)
Net Income Available to Common Shareholders $ 12,618 $ 13,508
Basic Weighted Average Common Shares Outstanding 13,091,503 13,001,963
Basic Earnings Per Common Share $ 0.96 $ 1.04