Revenue & Accounts Receivable Credit Concentration - Summary of Revenue and Accounts Receivable by Third-party Payors and Other Customers (Details) - Customer Concentration Risk |
3 Months Ended | 12 Months Ended | |
---|---|---|---|
Mar. 31, 2021 |
Mar. 31, 2020 |
Dec. 31, 2020 |
|
Revenue | |||
Concentration Risk [Line Items] | |||
Concentration risk, percentage | 58.00% | 16.00% | |
Revenue | The Big Ten Conference | |||
Concentration Risk [Line Items] | |||
Concentration risk, percentage | 58.00% | ||
Revenue | Pfizer, Inc | |||
Concentration Risk [Line Items] | |||
Concentration risk, percentage | 16.00% | ||
Accounts Receivable | |||
Concentration Risk [Line Items] | |||
Concentration risk, percentage | 83.00% | 59.00% | |
Accounts Receivable | The Big Ten Conference | |||
Concentration Risk [Line Items] | |||
Concentration risk, percentage | 66.00% | 35.00% | |
Accounts Receivable | Centura Healthcare | |||
Concentration Risk [Line Items] | |||
Concentration risk, percentage | 7.00% | 24.00% | |
Accounts Receivable | Purdue University | |||
Concentration Risk [Line Items] | |||
Concentration risk, percentage | 10.00% |