Earnings Per Share - Diluted (Details) - USD ($) $ / shares in Units, $ in Thousands	12 Months Ended
	Dec. 31, 2025	Dec. 31, 2024	Dec. 31, 2023
Earnings Per Share [Abstract]
Net (loss) income attributable to Quaker Chemical Corporation	$ (2,488)	$ 116,644	$ 112,748
Less: loss (income) allocated to participating securities	20	(375)	(554)
Net (loss) income available to common shareholders	$ (2,468)	$ 116,269	$ 112,194
Basic weighted average common shares outstanding (in shares)	17,472,907	17,850,462	17,892,461
Effect of dilutive securities (in shares)	0	19,605	22,348
Diluted weighted average common shares outstanding (in shares)	17,472,907	17,870,067	17,914,809
Diluted (loss) earnings per common share (in dollars per share)	$ (0.14)	$ 6.51	$ 6.26