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Summary of Significant Accounting Policies - Additional Information (Detail) € in Millions |  | 1 Months Ended | 12 Months Ended |  |  |  |  |
--- | --- | --- | --- | --- | --- | --- | --- | ---
Jan. 01, 2022 USD ($) | Jun. 30, 2021 USD ($) | Dec. 31, 2023 USD ($) | Dec. 31, 2022 USD ($) | Dec. 31, 2021 USD ($) | Dec. 31, 2023 EUR (€) | Sep. 30, 2023 EUR (€) | Jun. 30, 2023 USD ($) | Jun. 30, 2022 USD ($) | Jul. 01, 2013 USD ($)
Summary Of Significant Accounting Policies [Line Items] |  |  |  |  |  |  |  |  |  |
Accretion or amortization |  |  | $ 1,600,000 | $ 700,000 |  |  |  |  |  |
Allowance for credit losses |  |  | $ 0 | 0 |  |  |  |  |  |
Purchase of available-for-sale securities |  |  |  | 5,000,000 | $ 3,000,000 |  |  |  |  |
Percentage of future royalties |  |  | 1.00% |  |  |  |  |  |  |
Loss on purchase commitments | € |  |  |  |  |  | € 59.5 | € 61.1 |  |  |
MidCap Credit Facility |  |  |  |  |  |  |  |  |  |
Summary Of Significant Accounting Policies [Line Items] |  |  |  |  |  |  |  |  |  |
Principal amount |  |  | $ 33,300,000 | 40,000,000.0 |  |  |  |  |  |
Milestone Rights Liability | Deerfield |  |  |  |  |  |  |  |  |  |
Summary Of Significant Accounting Policies [Line Items] |  |  |  |  |  |  |  |  |  |
Contingent liability remain payable |  |  | 900,000 | 1,100,000 |  |  |  |  |  | $ 55,000,000
Contingent liability for milestone payments |  |  |  |  |  |  |  | $ 5,000,000 | $ 5,000,000 |
Convertible Promissory Note | Thirona Bio, Inc. |  |  |  |  |  |  |  |  |  |
Summary Of Significant Accounting Policies [Line Items] |  |  |  |  |  |  |  |  |  |
Purchase of available-for-sale securities | $ 5,000,000.0 | $ 3,000,000.0 |  |  |  |  |  |  |  |
Interest rate |  | 6.00% |  |  |  |  |  |  |  |
Investment securities |  |  | 6,900,000 | 7,100,000 |  |  |  |  |  |
Available-for-Sale Investment, credit losses |  |  | 200,000 | 900,000 |  |  |  |  |  |
Principal amount |  |  | 8,000,000 |  |  |  |  |  |  |
Insulin |  |  |  |  |  |  |  |  |  |
Summary Of Significant Accounting Policies [Line Items] |  |  |  |  |  |  |  |  |  |
Loss on purchase commitments |  |  | $ 64,800,000 | $ 72,300,000 |  |  |  |  |  |
Tyvaso DPI |  |  |  |  |  |  |  |  |  |
Summary Of Significant Accounting Policies [Line Items] |  |  |  |  |  |  |  |  |  |
Percentage of royalty on net sales |  |  | 10.00% |  |  |  |  |  |  |
Percentage of royalty on net revenue |  |  | 10.00% |  |  |  |  |  |  |
Percentage of future royalties |  |  | 9.00% |  |  |  |  |  |  |
Minimum | AFREZZA product sales |  |  |  |  |  |  |  |  |  |
Summary Of Significant Accounting Policies [Line Items] |  |  |  |  |  |  |  |  |  |
Sales return right following product expiration in months |  |  | 6 months |  |  |  |  |  |  |
Maximum | Milestone Rights Liability | Deerfield |  |  |  |  |  |  |  |  |  |
Summary Of Significant Accounting Policies [Line Items] |  |  |  |  |  |  |  |  |  |
Contingent liability for milestone payments |  |  |  |  |  |  |  |  |  | $ 90,000,000
Maximum | AFREZZA product sales |  |  |  |  |  |  |  |  |  |
Summary Of Significant Accounting Policies [Line Items] |  |  |  |  |  |  |  |  |  |
Sales return right following product expiration in months |  |  | 12 months |  |  |  |  |  |  |

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