Condensed Consolidated Statement of Comprehensive Income - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2015	Sep. 30, 2014	Sep. 30, 2015	Sep. 30, 2014
Statement of Comprehensive Income [Abstract]
Net Income	$ 14,835	$ 16,119	$ 40,854	$ 45,370
Currency Translation Adjustments	(11,380)	(11,655)	(19,995)	(9,400)
Defined Benefit Retirement Plans	706	1,797	3,133	2,956
Unrealized Gain on Available-for-Sale Securities	(687)	(214)	(958)	(316)
Other Comprehensive Loss	(11,361)	(10,072)	(17,820)	(6,760)
Comprehensive Income	3,474	6,047	23,034	38,610
Less: Comprehensive Income Attributable to Noncontrolling Interest	(97)	(177)	(606)	(1,470)
Comprehensive Income Attributable to Quaker Chemical Corporation	$ 3,377	$ 5,870	$ 22,428	$ 37,140