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Significant Risks and Uncertainties - Additional Information (Details) $ in Millions | 3 Months Ended
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Mar. 31, 2021 USD ($) Channels facility | Mar. 31, 2020 USD ($)
Significant Risks And Uncertainties [Line Items] |  |
Incurred loss | $ | $ 5.4 | $ 8.0
Sales Channel, Directly to Consumer [Member] | Net Sales |  |
Significant Risks And Uncertainties [Line Items] |  |
Number of channels | Channels | 2 |
Percentage of net sales | 81.30% | 93.90%
Channel One [Member] | VA/DoD facilities | Net Sales |  |
Significant Risks And Uncertainties [Line Items] |  |
Number of channels | 5 |
Percentage of net sales | 55.20% |
Channel Two [Member] | VA/DoD facilities | Net Sales |  |
Significant Risks And Uncertainties [Line Items] |  |
Number of channels | 2 |
Channel Two [Member] | VA/DoD facilities | Minimum | Net Sales |  |
Significant Risks And Uncertainties [Line Items] |  |
Percentage of net sales | 10.00% |

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