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Intangible Assets (Details) $ in Thousands, £ in Millions, $ in Millions | 1 Months Ended | 3 Months Ended | 9 Months Ended |  |
--- | --- | --- | --- | --- | ---
Aug. 31, 2022 USD ($) | Jul. 31, 2022 USD ($) | Dec. 31, 2023 USD ($) | Dec. 31, 2022 USD ($) | Dec. 31, 2023 USD ($) | Dec. 31, 2022 USD ($) | Mar. 31, 2023 USD ($) | May 31, 2022 USD ($) | May 31, 2022 GBP (£) | May 31, 2022 CAD ($)
Recognized Intangible Assets [Abstract] |  |  |  |  |  |  |  |  |  |
Remaining weighted average estimated useful lives |  |  | 14 years 9 months 18 days |  | 14 years 9 months 18 days |  |  |  |  |
Gross amount |  |  | $ 166,471 |  | $ 166,471 |  | $ 152,629 |  |  |
Less: accumulated amortization |  |  | (16,056) |  | (16,056) |  | (7,748) |  |  |
Net book value |  |  | 150,415 |  | 150,415 |  | $ 144,881 |  |  |
Future amortization expense, remainder of 2024 |  |  | 2,500 |  | 2,500 |  |  |  |  |
Future amortization expense, 2025 |  |  | 10,100 |  | 10,100 |  |  |  |  |
Future amortization expense, 2026 |  |  | 10,100 |  | 10,100 |  |  |  |  |
Future amortization expense, 2027 |  |  | 10,100 |  | 10,100 |  |  |  |  |
Future amortization expense, 2028 |  |  | 10,100 |  | 10,100 |  |  |  |  |
Future amortization expense, thereafter |  |  | 107,500 |  | 107,500 |  |  |  |  |
Cost of Revenues [Member] |  |  |  |  |  |  |  |  |  |
Recognized Intangible Assets [Abstract] |  |  |  |  |  |  |  |  |  |
Amortization of intangible assets |  |  | $ 2,400 | $ 2,200 | $ 7,200 | $ 5,200 |  |  |  |
GSK [Member] |  |  |  |  |  |  |  |  |  |
Intangible Assets [Abstract] |  |  |  |  |  |  |  |  |  |
Milestone payable |  |  |  |  |  |  |  | $ 126,000 | £ 100.0 |
Milestone amount paid |  | $ 126,000 |  |  |  |  |  |  |  |
Welichem Biotech Inc. [Member] |  |  |  |  |  |  |  |  |  |
Intangible Assets [Abstract] |  |  |  |  |  |  |  |  |  |
Milestone payable |  |  |  |  |  |  |  | $ 20,000 |  | $ 25.0
Milestone amount paid | $ 20,000 |  |  |  |  |  |  |  |  |

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