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Debt - 2019 Refinancing Agreement - CB Warrants (Details) - USD ($) |  | 2 Months Ended | 3 Months Ended
--- | --- | --- | ---
Apr. 12, 2019 | Feb. 24, 2021 | Mar. 31, 2022 | Mar. 31, 2021
Debt Instrument [Line Items] |  |  |  |
Percentage of number of shares | 2.00% |  |  |
Amortization of debt issuance costs |  |  | $ 32,000 | $ 190,000
2019 Refinancing Term Loan - CB Warrants |  |  |  |
Debt Instrument [Line Items] |  |  |  |
Class of warrant or right, number of securities called by each warrant or right (in shares) | 263,314 | 0 |  |
Exercise price of warrants (in usd per share) | $ 7.63 |  |  |
Debt outstanding |  | $ 0 |  |
2019 Refinancing Agreement |  |  |  |
Debt Instrument [Line Items] |  |  |  |
Warrants term | 5 years |  |  |
Interest expense, debt |  | 100,000 |  |
Amortization of debt issuance costs |  | $ 100,000 |  |

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