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Industry and Geographic Information - Additional Information (Details)
$ in Millions
3 Months Ended
Mar. 31, 2020
USD ($)
segment
Mar. 31, 2019
USD ($)
Dec. 31, 2019
USD ($)
Revenue, Major Customer [Line Items]      
Number of reportable segments | segment 1    
Customer Concentration Risk | Non-US      
Revenue, Major Customer [Line Items]      
Sales to customers outside the U.S. $ 41.2 $ 41.5  
Customer Concentration Risk | Sales      
Revenue, Major Customer [Line Items]      
Percentage of risk concentration by major customer 60.00% 54.00%  
Customer Concentration Risk | Sales | Non-US      
Revenue, Major Customer [Line Items]      
Percentage of risk concentration by major customer 24.00% 28.00%  
Geographic Concentration Risk | Non-US      
Revenue, Major Customer [Line Items]      
Accounts receivable $ 24.1   $ 23.0
Credit Concentration Risk      
Revenue, Major Customer [Line Items]      
Accounts receivable $ 73.9   $ 67.4