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Description of Business and Significant Accounting Policies - Additional Information (Detail) € in Millions |  | 1 Months Ended | 6 Months Ended |  |  |  |
--- | --- | --- | --- | --- | --- | --- | ---
Jun. 27, 2024 | Dec. 31, 2023 | Jan. 31, 2022 USD ($) | Jun. 30, 2021 USD ($) | Jun. 30, 2025 USD ($) Segment | Jun. 30, 2025 EUR (€) | Dec. 31, 2024 USD ($) | Jun. 30, 2024 USD ($) | Jul. 01, 2013 USD ($)
Organization Consolidation And Presentation Of Financial Statements Disclosure [Line Items] |  |  |  |  |  |  |  |  |
Percentage of future royalties |  |  |  |  | 1.00% |  |  |  |
Number of operating segment | Segment |  |  |  |  | 1 |  |  |  |
Number of reportable segment | Segment |  |  |  |  | 1 |  |  |  |
Purchase of available-for-sale securities |  |  |  |  | $ 88,127,000 |  |  |  |
Loss on purchase commitments | € |  |  |  |  |  | € 55.2 |  |  |
Intra-entity sales or transfers |  |  |  |  | $ 0 |  |  |  |
Segment Reporting, CODM, Profit (Loss) Measure, How Used, Description |  |  |  |  | The key metric utilized by the CODM to assess resource allocation and performance is the Company’s segment net income, which is the same as the consolidated net income reported in the condensed consolidated statements of operations. The CODM also analyzes the Company's consolidated net income to evaluate its return on segment assets and to establish budgets and forecasts. |  |  |  |
Sagard |  |  |  |  |  |  |  |  |
Organization Consolidation And Presentation Of Financial Statements Disclosure [Line Items] |  |  |  |  |  |  |  |  |
Percentage of royalty on net sales |  |  |  |  | 1.00% |  |  |  |
Percentage of royalty on future net sales |  | 1.00% |  |  |  |  |  |  |
Insulin |  |  |  |  |  |  |  |  |
Organization Consolidation And Presentation Of Financial Statements Disclosure [Line Items] |  |  |  |  |  |  |  |  |
Loss on purchase commitments |  |  |  |  | $ 66,100,000 |  | $ 58,200,000 |  |
Tyvaso DPI |  |  |  |  |  |  |  |  |
Organization Consolidation And Presentation Of Financial Statements Disclosure [Line Items] |  |  |  |  |  |  |  |  |
Percentage of royalty on net sales |  |  |  |  | 10.00% |  |  |  |
Percentage of royalty on future net sales |  |  |  |  | 9.00% |  |  |  |
Percentage of royalty on net revenue |  |  |  |  | 10.00% |  |  |  |
Percentage of future royalties |  |  |  |  | 9.00% |  |  |  |
Maximum | AFREZZA product sales |  |  |  |  |  |  |  |  |
Organization Consolidation And Presentation Of Financial Statements Disclosure [Line Items] |  |  |  |  |  |  |  |  |
Sales return right following product expiration in months |  |  |  |  | 12 months |  |  |  |
Minimum | AFREZZA product sales |  |  |  |  |  |  |  |  |
Organization Consolidation And Presentation Of Financial Statements Disclosure [Line Items] |  |  |  |  |  |  |  |  |
Sales return right following product expiration in months |  |  |  |  | 6 months |  |  |  |
Convertible Promissory Note | Thirona Bio, Inc. |  |  |  |  |  |  |  |  |
Organization Consolidation And Presentation Of Financial Statements Disclosure [Line Items] |  |  |  |  |  |  |  |  |
Increased interest rate | 10.00% |  |  |  |  |  |  |  |
Principal amount |  |  |  |  |  |  |  | $ 8,000,000 |
Purchase of available-for-sale securities |  |  | $ 5,000,000 | $ 3,000,000 |  |  |  |  |
Milestone Rights Liability | Deerfield |  |  |  |  |  |  |  |  |
Organization Consolidation And Presentation Of Financial Statements Disclosure [Line Items] |  |  |  |  |  |  |  |  |
Contingent liability for milestone payments |  |  |  |  | $ 5,000,000 |  |  |  |
Contingent liability remain payable |  |  |  |  | $ 600,000 |  |  |  | $ 45,000,000
Milestone Rights Liability | Maximum | Deerfield |  |  |  |  |  |  |  |  |
Organization Consolidation And Presentation Of Financial Statements Disclosure [Line Items] |  |  |  |  |  |  |  |  |
Contingent liability for milestone payments |  |  |  |  |  |  |  |  | $ 90,000,000

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