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Siginficant Accounting Policies - Hyperinflationary accounting (Details) - USD ($)
$ in Millions
12 Months Ended
Dec. 31, 2019
Dec. 31, 2018
Dec. 31, 2017
Financial Statement Line Items With Differences In Reported Amount And Reporting Currency Denominated Amounts [Line Items]      
Inflationary Percentage 100.00%    
Argentina [Member]      
Financial Statement Line Items With Differences In Reported Amount And Reporting Currency Denominated Amounts [Line Items]      
Equity Method Investment Ownership Percentage 50.00%    
Amount Recognized In Income Due To Inflationary Accounting $ 1.0 $ 0.7 $ 0.4
Currency Conversion Impacts Of HyperInflationary Accounting During the years ended December 31, 2019, 2018 and 2017, the Company recorded $1.0 million, $0.7 million, and $0.4 million, respectively, of remeasurement losses associated with the applicable currency conversions related to Venezuela and Argentina.    
Inflationary Percentage 100.00%    
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%