XML 18 R77.htm IDEA: XBRL DOCUMENT v3.20.1
Segments and Customer Concentrations - Narrative (Details) - segment
3 Months Ended 12 Months Ended
Mar. 31, 2020
Mar. 31, 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 65.00% 66.00%  
Customer Concentration Risk | Revenue | Intermountain Healthcare      
Segment Reporting Information [Line Items]      
Concentration percentage 15.00% 15.00%  
Customer Concentration Risk | Accounts Receivable | Ascension      
Segment Reporting Information [Line Items]      
Concentration percentage 39.00%   37.00%