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Commitments and Contingencies - Additional Information (Detail) |  |  | 1 Months Ended | 6 Months Ended | 12 Months Ended |
--- | --- | --- | --- | --- | --- | ---
Nov. 05, 2025 USD ($) | Dec. 27, 2022 $ / shares | Dec. 31, 2025 USD ($) employee | Apr. 30, 2015 USD ($) | Jun. 30, 2026 USD ($) | Dec. 31, 2017 USD ($) | Feb. 14, 2022 ft²
Business Combination [Line Items] |  |  |  |  |  |  |
Operating lease right-of-use assets, net |  |  | $ 33,010,000 |  | $ 31,271,000 |  |
Operating lease liabilities |  |  |  |  | 38,711,000 |  |
Commercial milestone commitments |  |  |  |  | 40,800,000 |  |
SRS/Altor Shareholder CVR Arbitration | Pending Litigation |  |  |  |  |  |  |
Business Combination [Line Items] |  |  |  |  |  |  |
Additional merger consideration (in dollar per share) | $ / shares |  | $ 2.00 |  |  |  |  |
Estimated liability | $ 164,200,000 |  |  |  |  |  |
Settlement interest | $ 50,000,000.0 |  |  |  |  |  |
Dunkirk Facility |  |  |  |  |  |  |
Business Combination [Line Items] |  |  |  |  |  |  |
Number of square foot of facility leased | ft² |  |  |  |  |  |  | 409,000
Annual lease payment |  |  | 500,000 |  |  |  |
Option to purchase, amount |  |  | 1.00 |  |  |  |
Operating lease right-of-use assets, net |  |  | 1,400,000 |  |  |  |
Operating lease liabilities |  |  | 1,400,000 |  |  |  |
Commitment to spend, operational expenses, initial lease term |  |  | 1,520,000,000 |  |  |  |
Commitment to spend, operational expenses, renewal lease term |  |  | 55,000,000.0 |  |  |  |
Cumulative capital spending |  |  | 40,000,000.0 |  |  |  |
Annual operating spending |  |  | $ 5,000,000.0 |  |  |  |
Headcount hiring target | employee |  |  | 100 |  |  |  |
Initial term of lease arrangement |  |  | 3 years |  |  |  |
Headcount hiring target, exercise option | employee |  |  | 450 |  |  |  |
Term without written consent |  |  | 5 years |  |  |  |
Altor BioScience Corporation | Contingent Value Rights Payable, Sales Milestone |  |  |  |  |  |  |
Business Combination [Line Items] |  |  |  |  |  |  |
Potential contingent value rights to be earned |  |  |  |  |  | $ 304,000,000.0 |
Minimum net sales milestone for contingent value rights payable |  |  |  |  |  | 1,000,000,000.0 |
Altor BioScience Corporation | Contingent Value Rights Payable, Sales Milestone | Dr. Soon-Shiong and Related Party |  |  |  |  |  |  |
Business Combination [Line Items] |  |  |  |  |  |  |
Potential contingent value rights to be earned |  |  |  |  | 139,800,000 |  |
Altor BioScience Corporation | Contingent Value Rights Payable, Sales Milestone | Altor Stockholders |  |  |  |  |  |  |
Business Combination [Line Items] |  |  |  |  |  |  |
Potential contingent value rights to be earned |  |  |  |  | 164,200,000 |  |
Altor BioScience Corporation | Contingent Value Rights Obligation, Regulatory Milestone |  |  |  |  |  |  |
Business Combination [Line Items] |  |  |  |  |  |  |
Potential contingent value rights to be earned |  |  |  |  |  | $ 304,000,000.0 |
Altor BioScience Corporation | Contingent Value Rights Obligation, Regulatory Milestone | Dr. Soon-Shiong and Related Party |  |  |  |  |  |  |
Business Combination [Line Items] |  |  |  |  |  |  |
Potential contingent value rights to be earned |  |  |  |  | 139,800,000 |  |
VivaBioCell |  |  |  |  |  |  |
Business Combination [Line Items] |  |  |  |  |  |  |
Ownership percentage acquired |  |  |  | 100.00% |  |  |
Business combination, consideration transferred |  |  |  | $ 700,000 |  |  |
Maximum milestone payment due if certain conditions are met |  |  |  |  | $ 2,300,000 |  |

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