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Collaborative and Other Relationships - Samsung Bioepis (Details) $ in Millions | 1 Months Ended | 3 Months Ended | 12 Months Ended
--- | --- | --- | ---
Dec. 31, 2019 product | Mar. 31, 2025 USD ($) | Dec. 31, 2024 USD ($) | Mar. 31, 2024 USD ($) | Dec. 31, 2024 USD ($)
Collaborative arrangements and non-collaborative arrangement transactions |  |  |  |  |
Payments to Acquire Intangible Assets |  | $ 10.0 |  | $ 75.0 |
Collaboration profit sharing/(loss reimbursement) |  | 58.1 |  | 65.6 |
Samsung Bioepis |  |  |  |  |
Collaborative arrangements and non-collaborative arrangement transactions |  |  |  |  |
Collaboration profit sharing/(loss reimbursement) |  | $ 48.0 |  | $ 60.6 |
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
Payments to Acquire Intangible Assets |  |  | $ 15.0 |  |
Estimated additional payments upon achievement of development and commercial milestones |  |  | 150.0 |  | 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 |  | 3.9 | 7.6 |  | 7.6
Accounts payable |  | $ 72.9 | $ 60.8 |  | $ 60.8

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