Earnings Per Share - Diluted (Details) - USD ($) $ / shares in Units, $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2025	Sep. 30, 2024	Sep. 30, 2025	Sep. 30, 2024
Earnings Per Share [Abstract]
Net income (loss) attributable to Quaker Chemical Corporation	$ 30,469	$ 32,346	$ (23,189)	$ 102,458
Less: (income) loss allocated to participating securities	(30)	(85)	44	(358)
Net income (loss) available to common shareholders	$ 30,439	$ 32,261	$ (23,145)	$ 102,100
Basic weighted average common shares outstanding (in shares)	17,363,947	17,837,858	17,524,377	17,889,168
Effect of dilutive securities (in shares)	57,143	26,477	21,289	20,799
Diluted weighted average common shares outstanding (in shares)	17,421,090	17,864,335	17,545,666	17,909,967
Diluted earnings per common share (in dollars per share)	$ 1.75	$ 1.81	$ (1.32)	$ 5.70