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Industry and Geographic Information - Additional Information (Details)
$ in Millions
6 Months Ended
Jun. 30, 2020
USD ($)
segment
Jun. 30, 2019
USD ($)
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. $ 96.8 $ 87.7  
Customer Concentration Risk | Sales      
Revenue, Major Customer [Line Items]      
Percentage of risk concentration by major customer 57.00% 48.00%  
Customer Concentration Risk | Sales | Non-US      
Revenue, Major Customer [Line Items]      
Percentage of risk concentration by major customer 26.00% 34.00%  
Geographic Concentration Risk | Non-US      
Revenue, Major Customer [Line Items]      
Accounts receivable $ 23.9   $ 23.0
Credit Concentration Risk      
Revenue, Major Customer [Line Items]      
Accounts receivable $ 73.5   $ 67.4