Fair Value of Financial Instruments - Schedule of Contingent Consideration Liabilities (Details) $ in Thousands	Sep. 30, 2025 USD ($)
Fair Value, Option, Quantitative Disclosures [Line Items]
Total contingent consideration liabilities	$ 97,824
Level 3
Fair Value, Option, Quantitative Disclosures [Line Items]
Total contingent consideration liabilities	97,824
Development and Commercialization Milestones | Level 3
Fair Value, Option, Quantitative Disclosures [Line Items]
Total contingent consideration liabilities	$ 40,965
Development and Commercialization Milestones | Level 3 | Payment discount rate | Discounted cash flow | Minimum
Fair Value, Option, Quantitative Disclosures [Line Items]
Liability measurement input	0.081
Development and Commercialization Milestones | Level 3 | Payment discount rate | Discounted cash flow | Maximum
Fair Value, Option, Quantitative Disclosures [Line Items]
Liability measurement input	0.133
Development and Commercialization Milestones | Level 3 | Payment discount rate | Discounted cash flow | Weighted Average
Fair Value, Option, Quantitative Disclosures [Line Items]
Liability measurement input	0.083
Development and Commercialization Milestones | Level 3 | Probability of payment | Discounted cash flow | Minimum
Fair Value, Option, Quantitative Disclosures [Line Items]
Liability measurement input	0
Development and Commercialization Milestones | Level 3 | Probability of payment | Discounted cash flow | Maximum
Fair Value, Option, Quantitative Disclosures [Line Items]
Liability measurement input	1
Development and Commercialization Milestones | Level 3 | Probability of payment | Discounted cash flow | Weighted Average
Fair Value, Option, Quantitative Disclosures [Line Items]
Liability measurement input	0.873
Sales Milestones | Level 3
Fair Value, Option, Quantitative Disclosures [Line Items]
Total contingent consideration liabilities	$ 30,059
Sales Milestones | Level 3 | Revenue volatility | Scenario analysis | Minimum
Fair Value, Option, Quantitative Disclosures [Line Items]
Liability measurement input	0.37
Sales Milestones | Level 3 | Revenue volatility | Scenario analysis | Maximum
Fair Value, Option, Quantitative Disclosures [Line Items]
Liability measurement input	0.48
Sales Milestones | Level 3 | Revenue volatility | Scenario analysis | Weighted Average
Fair Value, Option, Quantitative Disclosures [Line Items]
Liability measurement input	0.469
Sales Milestones | Level 3 | Revenue discount rate | Scenario analysis | Minimum
Fair Value, Option, Quantitative Disclosures [Line Items]
Liability measurement input	0.094
Sales Milestones | Level 3 | Revenue discount rate | Scenario analysis | Maximum
Fair Value, Option, Quantitative Disclosures [Line Items]
Liability measurement input	0.193
Sales Milestones | Level 3 | Revenue discount rate | Scenario analysis | Weighted Average
Fair Value, Option, Quantitative Disclosures [Line Items]
Liability measurement input	0.178
Assumed contingent consideration Piramal SPA | Level 3
Fair Value, Option, Quantitative Disclosures [Line Items]
Total contingent consideration liabilities	$ 26,800
Assumed contingent consideration Piramal SPA | Level 3 | EBITDA volatility | Scenario analysis
Fair Value, Option, Quantitative Disclosures [Line Items]
Liability measurement input	0.60
Assumed contingent consideration Piramal SPA | Level 3 | EBITDA volatility | Scenario analysis | Weighted Average
Fair Value, Option, Quantitative Disclosures [Line Items]
Liability measurement input	0.60
Assumed contingent consideration Piramal SPA | Level 3 | EBITDA discount rate | Scenario analysis | Minimum
Fair Value, Option, Quantitative Disclosures [Line Items]
Liability measurement input	0.214
Assumed contingent consideration Piramal SPA | Level 3 | EBITDA discount rate | Scenario analysis | Maximum
Fair Value, Option, Quantitative Disclosures [Line Items]
Liability measurement input	0.22
Assumed contingent consideration Piramal SPA | Level 3 | EBITDA discount rate | Scenario analysis | Weighted Average
Fair Value, Option, Quantitative Disclosures [Line Items]
Liability measurement input	0.214