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License Agreements - Additional Information (Detail) - USD ($) $ in Thousands | 1 Months Ended | 9 Months Ended |  |
--- | --- | --- | --- | ---
Sep. 30, 2017 | Mar. 31, 2022 | Mar. 31, 2021 | Jun. 30, 2021 | May 31, 2020
Related Party Transaction [Line Items] |  |  |  |  |
Milestone payments payable amount |  | $ 20,000 |  |  |
Performance obligation revenue recognised |  | (2,513) | $ (4,908) |  |
Kyowa Kirin Co |  |  |  |  |
Related Party Transaction [Line Items] |  |  |  |  |
Total upfront payment receivable for grant of rights |  |  |  |  | $ 100,000
Kyowa Kirin Co | Potential Payments on Achievement of Development Regulatory and Commercial Milestones | Maximum |  |  |  |  |
Related Party Transaction [Line Items] |  |  |  |  |
Milestone payment receivable amount |  | 582,500 |  |  |
Presage License Agreement | Presage Biosciences, Inc. |  |  |  |  |
Related Party Transaction [Line Items] |  |  |  |  |
Compensation payable for grant of rights | $ 4,900 |  |  |  |
Payment for license | 2,900 |  |  |  |
Presage License Agreement | Presage Biosciences, Inc. | Incremental Payment |  |  |  |  |
Related Party Transaction [Line Items] |  |  |  |  |
Compensation payable for grant of rights | 2,000 |  |  |  |
Presage License Agreement | Presage Biosciences, Inc. | Potential Payments on Achievement of Development Regulatory and Commercial Milestones |  |  |  |  |
Related Party Transaction [Line Items] |  |  |  |  |
Milestone payment receivable amount | $ 179,000 |  |  |  |
Kkc Agreements [Member] | Kyowa Kirin Co |  |  |  |  |
Related Party Transaction [Line Items] |  |  |  |  |
Upfront payment |  | 100,000 |  |  |
Transaction price relating to the performance obligation |  | 191,500 |  |  |
Expected milestone payment receivable |  | 20,000 |  |  |
Estimated development cost sharing recovered through earnings |  | 66,300 |  |  |
Deferred revenue |  | 5,200 |  |  |
Kkc Agreements [Member] | Kyowa Kirin Co | Ex US License |  |  |  |  |
Related Party Transaction [Line Items] |  |  |  |  |
Performance obligation revenue recognised |  | 21,000 |  |  |
License Obligation Account Transaction Price Allocated |  | 64,500 |  |  |
Kkc Agreements [Member] | Kyowa Kirin Co | Development Services |  |  |  |  |
Related Party Transaction [Line Items] |  |  |  |  |
Contract with customer liability non current |  | 32,200 |  | $ 14,700 |
Kkc Agreements [Member] | Kyowa Kirin Co | Maximum |  |  |  |  |
Related Party Transaction [Line Items] |  |  |  |  |
Estimated development cost sharing recovered through earnings |  | $ 222,000 |  |  |

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