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Leases - Additional Information (Detail) |  |  | 1 Months Ended | 2 Months Ended | 3 Months Ended | 9 Months Ended | 17 Months Ended |  |
--- | --- | --- | --- | --- | --- | --- | --- | --- | ---
Nov. 19, 2021 USD ($) ft² Option | Oct. 23, 2020 USD ($) ft² | Apr. 30, 2019 USD ($) ft² Option | Dec. 31, 2020 USD ($) ft² | Jun. 30, 2022 USD ($) ft² | Jun. 30, 2021 USD ($) | Jun. 30, 2022 USD ($) ft² | Jun. 30, 2021 USD ($) | May 31, 2020 USD ($) ft² | Mar. 31, 2020 USD ($) ft² | Jan. 31, 2016 ft² Option
Lessee Lease Description [Line Items] |  |  |  |  |  |  |  |  |  |  |
Estimated lease payments |  |  |  |  | $ 153,427,000 |  | $ 153,427,000 |  |  |  |
Operating lease cost |  |  |  |  | 3,400,000 | $ 1,600,000 | 6,000,000 | $ 3,600,000 |  |  |
Variable lease cost |  |  |  |  | 200,000 | 100,000 | 500,000 | 600,000 |  |  |
Short-term lease cost |  |  |  |  | $ 0 | $ 0 | 0 | 0 |  |  |
Operating lease cash payments |  |  |  |  |  |  | $ 3,400,000 | $ 2,200,000 |  |  |
Weighted-average remaining lease term |  |  |  |  | 7 years 3 months 18 days |  | 7 years 3 months 18 days |  |  |  |
Weighted-average discount rate |  |  |  |  | 8.50% |  | 8.50% |  |  |  |
Halozyme, Inc. | California | Sublease Agreement |  |  |  |  |  |  |  |  |  |  |
Lessee Lease Description [Line Items] |  |  |  |  |  |  |  |  |  |  |
Office space leases (in sq ft) | ft² |  |  |  |  |  |  |  |  |  | 21,000 |
Estimated lease payments |  |  |  |  |  |  |  |  |  | $ 2,000,000 |
Corporate Headquarters In Pasadena | California |  |  |  |  |  |  |  |  |  |  |
Lessee Lease Description [Line Items] |  |  |  |  |  |  |  |  |  |  |
Office space leases (in sq ft) | ft² |  | 24,000 |  |  |  |  |  |  |  |  |
Estimated lease payments |  | $ 6,900,000 |  |  |  |  |  |  |  |  |
Payments for leasehold improvements, net of tenant improvement allowances |  | $ 4,000,000 |  |  |  |  |  |  |  |  |
Corporate Headquarters In Pasadena | Colorado Owner, LLC | California |  |  |  |  |  |  |  |  |  |  |
Lessee Lease Description [Line Items] |  |  |  |  |  |  |  |  |  |  |
Lease term |  |  | 91 months |  |  |  |  |  |  |  |
Office space leases (in sq ft) | ft² |  |  | 24,000 |  |  |  |  |  |  |  |
Estimated lease payments |  |  | $ 8,700,000 |  |  |  |  |  |  |  |
Payments for leasehold improvements, net of tenant improvement allowances |  |  | $ 3,500,000 |  |  |  |  |  |  |  |
Number of options to renew | Option |  |  | 1 |  |  |  |  |  |  |  |
Operating lease renewal term |  |  | 5 years |  |  |  |  |  |  |  |
Research Facility in Madison | Wisconsin |  |  |  |  |  |  |  |  |  |  |
Lessee Lease Description [Line Items] |  |  |  |  |  |  |  |  |  |  |
Office space leases (in sq ft) | ft² |  |  |  |  |  |  |  |  |  |  | 60,000
Estimated lease payments |  |  |  | $ 1,200,000 |  |  |  |  | $ 26,200,000 |  |
Number of options to renew | Option |  |  |  |  |  |  |  |  |  |  | 2
Operating lease renewal term |  |  |  |  |  |  |  |  |  |  | 5 years
Additional office space for lease | ft² |  |  |  | 10,743 |  |  |  |  | 40,000 |  |
Expected leasehold improvements, net of tenant improvement allowances |  |  |  |  |  |  |  |  | $ 11,000,000 |  |
Research Facility in San Diego | California |  |  |  |  |  |  |  |  |  |  |
Lessee Lease Description [Line Items] |  |  |  |  |  |  |  |  |  |  |
Lease term | 15 years |  |  |  |  |  |  |  |  |  |
Office space leases (in sq ft) | ft² | 144,000 |  |  |  | 144,000 |  | 144,000 |  |  |  |
Estimated lease payments | $ 119,000,000 |  |  |  |  |  |  |  |  |  |
Payments for leasehold improvements, net of tenant improvement allowances | $ 31,000,000 |  |  |  |  |  |  |  |  |  |
Operating lease renewal term | 10 years |  |  |  |  |  |  |  |  |  |
Estimated payments for operating expenses | $ 3,000,000 |  |  |  |  |  |  |  |  |  |
Research Facility in San Diego | California | Maximum |  |  |  |  |  |  |  |  |  |  |
Lessee Lease Description [Line Items] |  |  |  |  |  |  |  |  |  |  |
Number of options to renew | Option | 1 |  |  |  |  |  |  |  |  |  |

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