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Collaborative and Other Relationships - Samsung Bioepis (Details) $ in Millions | 1 Months Ended | 3 Months Ended | 6 Months Ended | 12 Months Ended
--- | --- | --- | --- | ---
Dec. 31, 2019 product | Jun. 30, 2025 USD ($) | Jun. 30, 2024 USD ($) | Jun. 30, 2025 USD ($) | Jun. 30, 2024 USD ($) | Dec. 31, 2024 USD ($)
Collaborative arrangements and non-collaborative arrangement transactions |  |  |  |  |  |
Collaboration profit sharing/(loss reimbursement) |  | $ 75.0 | $ 62.4 | $ 133.1 | $ 128.0 |
Samsung Bioepis |  |  |  |  |  |
Collaborative arrangements and non-collaborative arrangement transactions |  |  |  |  |  |
Collaboration profit sharing/(loss reimbursement) |  | 57.2 | $ 55.9 | $ 105.2 | $ 116.5 |
Samsung Bioepis |  |  |  |  |  |
Collaborative arrangements and non-collaborative arrangement transactions |  |  |  |  |  |
Contingent Commercialized Rights, Number Of Products | product | 2 |  |  |  |  |
Expected profit share percentage | 45.00% |  |  | 50.00% |  |
Impairment of intangible assets (excluding goodwill) |  |  |  |  |  | $ 20.2
Estimated additional payments upon achievement of development and commercial milestones |  |  |  |  |  | 150.0
Collaboration agreement term |  |  |  | 5 years |  |
Option exercise fee |  |  |  | $ 60.0 |  |
Samsung Bioepis | Related Party |  |  |  |  |  |
Collaborative arrangements and non-collaborative arrangement transactions |  |  |  |  |  |
Accounts receivable |  | 5.0 |  | 5.0 |  | 7.6
Accounts payable |  | $ 0.0 |  | $ 0.0 |  | $ 60.8

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