Condensed Consolidated Statement of Income - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2016	Jun. 30, 2015	Jun. 30, 2016	Jun. 30, 2015
Income Statement [Abstract]
Net Sales	$ 186,915	$ 183,726	$ 364,992	$ 365,056
Cost of goods sold	115,680	113,109	225,882	228,111
Gross profit	71,235	70,617	139,110	136,945
Selling, general and administrative expenses	49,142	49,172	97,783	97,636
Operating income	22,093	21,445	41,327	39,309
Other income (expense), net	271	(88)	977	(282)
Interest Expense	(727)	(607)	(1,468)	(1,194)
Interest Income	545	375	893	695
Income Before Taxes and Equity in Net Income of Associated Companies	22,182	21,125	41,729	38,528
Taxes on income before equity in net income of associated companies	7,238	5,724	13,543	11,083
Income before equity in net income of associated companies	14,944	15,401	28,186	27,445
Equity in net income (loss) of associated companies	461	11	563	(1,426)
Net Income	15,405	15,412	28,749	26,019
Less: Net income attributable to noncontrolling interest	390	374	788	603
Net Income Attributable to Quaker Chemical Corporation	$ 15,015	$ 15,038	$ 27,961	$ 25,416
Per share data:
Basic Earnings Per Common Share	$ 1.13	$ 1.13	$ 2.11	$ 1.91
Diluted Earnings per Common Share	1.13	1.13	2.11	1.9
Dividends Declared	$ 0.345	$ 0.32	$ 0.665	$ 0.62