Description of Business and Significant Accounting Policies - Additional Information (Detail) € in Millions, $ in Millions		1 Months Ended			6 Months Ended
	Jun. 27, 2024	Dec. 31, 2023 USD ($)	Jan. 31, 2022 USD ($)	Jun. 30, 2021 USD ($)	Jun. 30, 2024 USD ($) Segment	Jun. 30, 2024 EUR (€)	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
Loss on purchase commitments | €						€ 56.6
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		$ 64.8			$ 60.2
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					$ 8.0
Purchase of available-for-sale securities			$ 5.0	$ 3.0
Interest rate				6.00%
MidCap Credit Facility
Organization Consolidation And Presentation Of Financial Statements Disclosure [Line Items]
Principal amount		$ 33.3
Milestone Rights Liability | Deerfield
Organization Consolidation And Presentation Of Financial Statements Disclosure [Line Items]
Contingent liability remain payable							$ 55.0
Milestone Rights Liability | Maximum | Deerfield
Organization Consolidation And Presentation Of Financial Statements Disclosure [Line Items]
Contingent liability for milestone payments							$ 90.0