CONSOLIDATED STATEMENTS OF OPERATIONS - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2025	Dec. 31, 2024	Dec. 31, 2023
Income Statement [Abstract]
Net sales	$ 1,888,634	$ 1,839,686	$ 1,953,313
Cost of goods sold (excluding amortization expense - See Note 15)	1,209,262	1,153,656	1,247,669
Gross profit	679,372	686,030	705,644
Selling, general and administrative expenses	502,416	484,794	483,561
Impairment charges	88,840	0	0
Restructuring and related charges, net	35,130	6,530	7,588
Operating income	52,986	194,706	214,495
Other (expense) income, net	(1,909)	1,354	(10,672)
Interest expense	(44,048)	(41,002)	(50,699)
Income before taxes and equity in net income of associated companies	7,029	155,058	153,124
Taxes on income before equity in net income of associated companies	24,607	49,300	55,585
(Loss) income before equity in net income of associated companies	(17,578)	105,758	97,539
Equity in net income of associated companies	15,177	10,971	15,333
Net (loss) income	(2,401)	116,729	112,872
Less: Net income attributable to noncontrolling interest	87	85	124
Net (loss) income attributable to Quaker Chemical Corporation	$ (2,488)	$ 116,644	$ 112,748
Per share data:
Net (loss) income attributable to Quaker Chemical Corporation common shareholders– basic (in dollars per share)	$ (0.14)	$ 6.51	$ 6.27
Net (loss) income attributable to Quaker Chemical Corporation common shareholders – diluted (in dollars per share)	$ (0.14)	$ 6.51	$ 6.26