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Segments and Customer Concentrations - Narrative (Details) - segment
3 Months Ended 6 Months Ended 12 Months Ended
Jun. 30, 2020
Jun. 30, 2019
Jun. 30, 2020
Jun. 30, 2019
Dec. 31, 2019
Segment Reporting Information [Line Items]          
Number of operating segments     1    
Number of reportable segments     1    
Customer Concentration Risk | Revenue | Ascension          
Segment Reporting Information [Line Items]          
Concentration percentage 66.00% 67.00% 65.00% 67.00%  
Customer Concentration Risk | Revenue | Intermountain Healthcare          
Segment Reporting Information [Line Items]          
Concentration percentage 14.00% 14.00% 15.00% 14.00%  
Customer Concentration Risk | Accounts Receivable | Ascension          
Segment Reporting Information [Line Items]          
Concentration percentage     28.00%   37.00%