Condensed Consolidated Statements of Operations - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2023	Jun. 30, 2022	Jun. 30, 2023	Jun. 30, 2022
Income Statement [Abstract]
Net sales	$ 495,444	$ 492,388	$ 995,592	$ 966,559
Cost of goods sold (excluding amortization expense - See Note 13)	317,753	342,824	644,451	670,924
Gross profit	177,691	149,564	351,141	295,635
Selling, general and administrative expenses	119,853	115,830	239,402	227,625
Restructuring and related charges (credits), net	1,043	(1)	5,015	819
Combination, integration and other acquisition-related expenses	0	1,832	0	5,885
Operating income	56,795	31,903	106,724	61,306
Other expense, net	(3,606)	(8,399)	(5,845)	(10,605)
Interest expense, net	(12,721)	(6,494)	(25,963)	(11,839)
Income before taxes and equity in net income of associated companies	40,468	17,010	74,916	38,862
Taxes on income before equity in net income of associated companies	13,830	1,374	23,363	4,240
Income before equity in net income of associated companies	26,638	15,636	51,553	34,622
Equity in net income (loss) of associated companies	2,755	(1,265)	7,381	(430)
Net income	29,393	14,371	58,934	34,192
Less: Net income attributable to noncontrolling interest	47	28	54	33
Net income attributable to Quaker Chemical Corporation	$ 29,346	$ 14,343	$ 58,880	$ 34,159
Per share data:
Net income attributable to Quaker Chemical Corporation common shareholders – basic (in dollars per share)	$ 1.63	$ 0.80	$ 3.28	$ 1.91
Net income attributable to Quaker Chemical Corporation common shareholders – diluted (in dollars per share)	1.63	0.80	3.27	1.91
Dividends declared (in dollars per share)	$ 0.435	$ 0.415	$ 0.870	$ 0.830