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Summary of Significant Accounting Policies - Summarizes Customer Concentrations as Percentage of Accounts Receivable (Details) - Accounts Receivable - Customer Concentrations
9 Months Ended 12 Months Ended
Mar. 31, 2021
Jun. 30, 2020
Government Payor A    
Significant Accounting Policies [Line Items]    
Concentration risk, percentage 22.00% 20.00%
Government Payor B    
Significant Accounting Policies [Line Items]    
Concentration risk, percentage   11.00%
Third-party Payor C    
Significant Accounting Policies [Line Items]    
Concentration risk, percentage 13.00% 11.00%