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Long-term Debt - Convertible notes 2021 (Details) - 2021 Convertible Notes. - USD ($) $ in Millions |  | 1 Months Ended | 2 Months Ended | 3 Months Ended
--- | --- | --- | --- | ---
Jun. 21, 2021 | Jun. 30, 2021 | Feb. 28, 2021 | Mar. 31, 2022 | Mar. 31, 2021
Debt Instrument [Line Items] |  |  |  |  |
Gross proceeds from issuance |  |  | $ 30.0 |  |
Interest rate |  |  | 8.00% |  |
Additional gross proceeds made available upon achievement of the integration milestone |  |  | $ 100.0 |  |
Conversion price as percentage of the price per share paid by the other investors |  |  | 80.00% |  |
Embedded derivative fair value |  |  | $ 7.0 | $ 19.7 |
Initial carrying value | $ 29.6 |  | 23.0 |  |
Accrued interest derecognized |  |  |  | 0.2 |
Total interest incurred |  |  |  | $ 0.0 | $ 1.9
Number of shares issued upon conversion of debt | 1,000,000 | 1,000,000 |  | 4,408,672 |
Loss on extinguishment of debt |  | $ 11.8 |  | $ (0.9) |
Carrying value of notes derecognized | $ 26.7 |  |  |  |
Face amount of debt | 29.6 |  | 23.0 |  |
Derivative liability recognized in the extinguishment accounting | $ 19.2 |  |  |  |
Carrying value |  |  |  | 32.8 |
Embedded derivative liability |  |  | $ 7.0 | $ 19.7 |

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