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Business Combination - Houghton - Narrative and Pro Forma Information (Details) - USD ($)
$ in Thousands
12 Months Ended
Aug. 01, 2019
Aug. 01, 2019
Dec. 31, 2020
Dec. 31, 2019
Dec. 31, 2018
Business Acquisition [Line Items]          
Goodwill     $ 631,212 $ 607,205 $ 83,333
Business Combination Transaction-related Expenses     30,300 38,000 19,500
Business Combination Separately Recognized Transactions Liabilities Recognized     7,500 6,600  
Other accrued liabilities     $ 92,107 83,605  
Houghton [Member]          
Business Acquisition [Line Items]          
Percentage of Voting Interests Acquired 24.50% 24.50%      
Intangible assets $ 1,028,400 $ 1,028,400      
Goodwill 499,540 499,540      
Revenue of Acquiree $ 299,800        
Measurement period 1 year        
Business Acquisition Pro Forma Information [Abstract]          
Business Acquisitions Pro Forma Revenue       1,562,427 1,654,588
Net income attributable to Quaker Chemical Corporation       $ 94,537 $ 35,337
Houghton [Member] | Customer Relationships [Member]          
Business Acquisition [Line Items]          
Intangible assets $ 677,300 $ 677,300      
Houghton [Member] | Customer Relationships [Member] | Minimum [Member]          
Business Acquisition [Line Items]          
Intangible Assets, Amortizable Life   15 years      
Houghton [Member] | Customer Relationships [Member] | Maximum [Member]          
Business Acquisition [Line Items]          
Intangible Assets, Amortizable Life   18 years      
Houghton [Member] | Trademarks [Member]          
Business Acquisition [Line Items]          
Intangible assets 242,000 $ 242,000      
Houghton [Member] | Trademarks Formulations And Product Technology [Member]          
Business Acquisition [Line Items]          
Intangible assets $ 109,100 $ 109,100      
Intangible Assets, Amortizable Life   20 years      
Korea Houghton Coporation [Member]          
Business Acquisition [Line Items]          
Percentage of Voting Interests Acquired       50.00%