Condensed Consolidated Statements of Operations - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2026	Mar. 31, 2025
Income Statement [Abstract]
Net sales	$ 480,479	$ 442,914
Cost of goods sold (excluding amortization expense - See Note 13)	303,744	281,654
Gross profit	176,735	161,260
Selling, general and administrative expenses	135,765	119,046
Restructuring and related charges, net	7,381	14,590
Operating income	33,589	27,624
Other expense, net	(23)	(709)
Interest expense	(9,879)	(9,545)
Income before taxes and equity in net income of associated companies	23,687	17,370
Taxes on income before equity in net income of associated companies	7,145	7,542
Income before equity in net income of associated companies	16,542	9,828
Equity in net income of associated companies	3,200	3,089
Net income	19,742	12,917
Less: Net income (loss) attributable to noncontrolling interest	73	(5)
Net income attributable to Quaker Chemical Corporation	$ 19,669	$ 12,922
Per share data:
Net income attributable to Quaker Chemical Corporation common shareholders – basic (in dollars per share)	$ 1.13	$ 0.73
Net income attributable to Quaker Chemical Corporation common shareholders – diluted (in dollars per share)	1.13	0.73
Dividends declared (in dollars per share)	$ 0.508	$ 0.485