Condensed Consolidated Statement of Income - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2015	Sep. 30, 2014	Sep. 30, 2015	Sep. 30, 2014
Income Statement [Abstract]
Net Sales	$ 189,224	$ 198,867	$ 554,280	$ 571,827
Cost of goods sold	117,895	128,567	346,006	368,197
Gross profit	71,329	70,300	208,274	203,630
Selling, general and administrative expenses	52,601	49,747	150,237	142,759
Operating income	18,728	20,553	58,037	60,871
Other income (expense), net	185	914	(97)	558
Interest Expense	(697)	(641)	(1,891)	(1,747)
Interest Income	422	642	1,117	1,990
Income Before Taxes and Equity in Net Income of Associated Companies	18,638	21,468	57,166	61,672
Taxes on income before equity in net income of associated companies	4,541	5,724	15,624	18,808
Income before equity in net income of associated companies	14,097	15,744	41,542	42,864
Equity in net income (loss) of associated companies	738	375	(688)	2,506
Net Income	14,835	16,119	40,854	45,370
Less: Net income attributable to noncontrolling interest	464	423	1,067	1,517
Net Income Attributable to Quaker Chemical Corporation	$ 14,371	$ 15,696	$ 39,787	$ 43,853
Per share data:
Basic Earnings Per Common Share	$ 1.08	$ 1.18	$ 2.99	$ 3.31
Diluted Earnings per Common Share	1.08	1.18	2.98	3.31
Dividends Declared	$ 0.32	$ 0.3	$ 0.94	$ 0.85