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Segment Disclosures and Concentrations of Risk - Additional Information (Details)
12 Months Ended
Dec. 31, 2020
Segment
Customer
Dec. 31, 2019
Customer
Revenue, Major Customer [Line Items]    
Number of reportable segments | Segment 1  
Percentage of long-lived assets and revenue from external customers in united states 100.00% 100.00%
Customer Concentration Risk | Revenues    
Revenue, Major Customer [Line Items]    
Number of largest individual customers | Customer 3 3
Number of additional individual customers | Customer 0 0
Customer Concentration Risk | Revenues | Minimum    
Revenue, Major Customer [Line Items]    
Percentage of concentration risk 10.00% 10.00%
Customer Concentration Risk | Revenues | Customer One    
Revenue, Major Customer [Line Items]    
Percentage of concentration risk 18.00% 23.00%
Customer Concentration Risk | Revenues | Customer Two    
Revenue, Major Customer [Line Items]    
Percentage of concentration risk 11.00% 11.00%
Customer Concentration Risk | Revenues | Customer Three    
Revenue, Major Customer [Line Items]    
Percentage of concentration risk 10.00% 11.00%
Customer Concentration Risk | Accounts Receivable, Net    
Revenue, Major Customer [Line Items]    
Number of largest individual customers | Customer 2 3
Customer Concentration Risk | Accounts Receivable, Net | Minimum    
Revenue, Major Customer [Line Items]    
Percentage of concentration risk 10.00% 10.00%
Customer Concentration Risk | Accounts Receivable, Net | Customer One    
Revenue, Major Customer [Line Items]    
Percentage of concentration risk 26.00% 36.00%
Customer Concentration Risk | Accounts Receivable, Net | Customer Two    
Revenue, Major Customer [Line Items]    
Percentage of concentration risk 33.00% 19.00%
Customer Concentration Risk | Accounts Receivable, Net | Customer Three    
Revenue, Major Customer [Line Items]    
Percentage of concentration risk   11.00%
Healthcare    
Revenue, Major Customer [Line Items]    
Number of operating segments | Segment 1  
Number of reportable segments | Segment 1