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Condensed Financial Information (Details) - USD ($)
$ in Thousands
3 Months Ended
Mar. 31, 2019
Mar. 31, 2018
Dec. 31, 2018
Schedule of Equity Method Investments [Line Items]      
Inflationary Percentage 100.00%    
Equity Method Investment $ 22,726   $ 21,316
Kelko (Venezuela) [Member]      
Schedule of Equity Method Investments [Line Items]      
Equity Method Investment $ 0   $ 0
Argentina Subsidiary [Member]      
Financial Statement Line Items With Differences In Reported Amount And Reporting Currency Denominated Amounts [Line Items]      
Currency Conversion Impacts Of Hyper Inflationary Accounting During the three months ended March 31, 2019, the Company recorded a $0.2 million remeasurement loss associated with the applicable currency conversions related to Argentina.    
Venezuela Subsidiary [Member]      
Financial Statement Line Items With Differences In Reported Amount And Reporting Currency Denominated Amounts [Line Items]      
Currency Conversion Impacts Of Hyper Inflationary Accounting   During the three months ended March 31, 2018 the Company recorded a $0.2 million remeasurement loss associated with the applicable currency conversions related to Venezuela.  
Argentina Assets Total [Member]      
Concentration Risk [Line Items]      
Concentration Risk, Percentage 1.00%    
Argentina Sales Revenue Net [Member]      
Concentration Risk [Line Items]      
Concentration Risk, Percentage 1.00%