Income Taxes - Uncertain Tax Positions - Narrative (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2017	Dec. 31, 2016	Dec. 31, 2015	Dec. 31, 2014
Uncertain Tax Positions [Abstract]
Unrecognized Tax Benefits	$ 6,761	$ 6,240	$ 11,032	$ 11,845
Accrued Interest	600	700
Accrued Penalties	1,000	1,600
Unrecognized Tax Benefits Tax Penalties Income	700	200
Unrecognized Tax Benefits Interest Income On Income Taxes	200	700	200
Unrecognized Tax Benefits, Income Tax Penalties Expense			200
Unrecognized Tax Benefits, Reductions Resulting from Lapse of Applicable Statute of Limitations	2,116	5,744	1,924
Significant Change in Unrecognized Tax Benefits is Reasonably Possible, Estimated Range of Change, Lower Bound	1,000
Significant Change in Unrecognized Tax Benefits is Reasonably Possible, Estimated Range of Change, Upper Bound	1,000
Unrecognized Tax Benefits that Would Impact Effective Tax Rate	$ 2,200	$ 1,800	$ 1,100
Italy [Member]
Income Tax Examination [Line Items]
Income Tax Examination Description	As previously reported, the Italian tax authorities have assessed additional tax due from the Company’s subsidiary, Quaker Italia S.r.l., relating to the tax years 2007 through 2013. The Company has filed for competent authority relief from these assessments under the Mutual Agreement Procedures of the Organization for Economic Co-Operation and Development for all years except 2007.
Internal Revenue Service (IRS) [Member]
Income Tax Examination [Line Items]
Income Tax Examination, Year under Examination	2014
Foreign Tax Authority [Member] | The Netherlands [Member]
Income Tax Examination [Line Items]
Income Tax Examination, Year under Examination	2011
Foreign Tax Authority [Member] | United Kingdom [Member]
Income Tax Examination [Line Items]
Income Tax Examination, Year under Examination	2012
Foreign Tax Authority [Member] | Brazil [Member]
Income Tax Examination [Line Items]
Income Tax Examination, Year under Examination	2000
Foreign Tax Authority [Member] | Spain [Member]
Income Tax Examination [Line Items]
Income Tax Examination, Year under Examination	2013
Foreign Tax Authority [Member] | China [Member]
Income Tax Examination [Line Items]
Income Tax Examination, Year under Examination	2013
Foreign Tax Authority [Member] | Italy [Member]
Income Tax Examination [Line Items]
Income Tax Examination, Year under Examination	2007
Foreign Tax Authority [Member] | Mexico [Member]
Income Tax Examination [Line Items]
Income Tax Examination, Year under Examination	2012
Foreign Tax Authority [Member] | India [Member]
Income Tax Examination [Line Items]
Income Tax Examination, Year under Examination	2014
State and Local Jurisdiction [Member]
Income Tax Examination [Line Items]
Income Tax Examination, Year under Examination	2008