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KKC Agreements - Additional Information (Detail) - USD ($) $ in Thousands | 1 Months Ended | 12 Months Ended |
--- | --- | --- | ---
Oct. 31, 2018 | Jun. 30, 2020 | May 31, 2020
Receivable for foreign tax withholding |  | $ (20,420) |
Kyowa Kirin Co |  |  |
Total upfront payment receivable for grant of rights |  | 100,000 | $ 100,000
Upfront payment | $ 10,000 |  |
Receivable for foreign tax withholding |  | 20,400 |
Kyowa Kirin Co | Potential Payments on Achievement of Development Regulatory and Commercial Milestones |  |  |
Total upfront payment receivable for grant of rights |  | 100,000 |
Kyowa Kirin Co | Potential Payments on Achievement of Development Regulatory and Commercial Milestones | Maximum |  |  |
Milestone payment receivable amount |  | 582,500 |
Kyowa Kirin Co | KKC License Agreement |  |  |
Upfront payment |  | 100,000 |
Transaction price relating to the performance obligation |  | 191,500 |
Estimated development cost sharing recovered through earnings |  | 66,300 |
Deferred revenue |  | 5,200 |
Expected milestone payment receivable |  | 20,000 |
Kyowa Kirin Co | KKC License Agreement | Ex US License |  |  |
Performance obligation revenue recognised |  | 21,000 |
License Obligation Account Transaction Price Allocated |  | 64,300 |
Kyowa Kirin Co | KKC License Agreement | Development Services |  |  |
Contract with customer liability non current |  | $ 18,100 |

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