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Concentrations of Credit Risk and Current Expected Credit Losses (Tables) | 12 Months Ended
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Dec. 31, 2020
Concentrations of Credit Risk and Current Expected Credit Losses |
Schedule of concentration of credit risk related to specialty pharmacy customers | ​
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
​ | ​ | Percentage of Total Net | ​
​ | ​ | Product Revenues for the | ​
​ | ​ | Years Ended, | ​
​ | ​ | December 31, | ​
​ |  | 2020 | ​ | 2019 | ​ | 2018 | ​
Customer A | ​ | 20 | % | 20 | % | 20 | %
Customer B | ​ | 13 | % | 13 | % | 14 | %
Customer C | ​ | 17 | % | 16 | % | 15 | %
Customer D | ​ | 11 | % | 11 | % | 11 | %

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- Definition Tabular disclosure of the nature of a concentration, a benchmark to which it is compared, and the percentage that the risk is to the benchmark, related to the specialty pharmaceutical customers. + References No definition available. + Details
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- References No definition available. + Details
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