Commitments and Contingencies - Additional Information (Detail) € in Millions			1 Months Ended				12 Months Ended
	Dec. 27, 2023 USD ($) ConsecutiveMonth	Nov. 08, 2021 USD ($)	Feb. 28, 2023 USD ($)	Jun. 30, 2022 USD ($)	Nov. 30, 2021 USD ($)	Nov. 30, 2017 USD ($)	Dec. 31, 2023 USD ($)	Dec. 31, 2022 USD ($)	Dec. 31, 2021 USD ($)	Dec. 31, 2023 EUR (€)	Sep. 30, 2023 EUR (€)	Jun. 30, 2023 USD ($)	Jul. 01, 2013 USD ($)
Commitments And Contingencies [Line Items]
Litigation settlement amount							$ 200,000
Milestone liabilities							3,452,000	$ 4,524,000
Milestone payment							(924,000)	(1,088,000)	$ (5,000,000)
Operating lease costs							1,675,000	1,525,000	$ 863,000
Financing liability							104,100,000	104,100,000
Financing liability, long term							94,319,000	94,512,000
Financing liability, short term							9,809,000	9,565,000
Cash paid for interest on financing liability							$ 9,600,000	9,600,000
Supply Agreement expiration period							Dec. 31, 2034
Supply Agreement renewal period							2 years
Loss on purchase commitments | €										€ 59.5	€ 61.1
Operating lease, right-of-use asset							$ 4,685,000	$ 6,714,000
Operating Lease, Right-of-Use Asset, Statement of Financial Position [Extensible Enumeration]							Other assets	Other assets		Other assets
Operating lease, liability							$ 5,348,000	$ 6,647,000
Description of right to extension of lease term							The Company has no further right to extend the lease term beyond July 31, 2028.
Tyvaso DPI
Commitments And Contingencies [Line Items]
Royalty commencement date	Oct. 01, 2023
Royalty termination date	Dec. 31, 2042
Insulin
Commitments And Contingencies [Line Items]
Loss on purchase commitments							$ 64,800,000	72,300,000
Equipment | V-Go
Commitments And Contingencies [Line Items]
Lease Cost				$ 14,370
Master Lease Agreement with Enterprise | Vehicle Leases
Commitments And Contingencies [Line Items]
Operating lease rent expenses							100,000
Marlborough Lease | Buildings
Commitments And Contingencies [Line Items]
Operating lease rent expenses				$ 28,895
Percentage of annual increase in lease payment				3.00%
Casper L L C
Commitments And Contingencies [Line Items]
Sale price		$ 102,300,000			$ 102,300,000
Lease initial term					20 years
Lease renewal option		4 years
Lease renewal options					renewal options of five years
Lessee,option to extend [true false]					true
Operating lease costs					$ 9,500,000
Lease, description					The total annual rent under the Lease starts at approximately $9.5 million per year, subject to a 50% rent abatement during the first year of the Lease, and will increase annually by (i) 2.5% in the second through fifth year of the Lease and (ii) 3% in the sixth and each subsequent year of the Lease, including any renewal term.
Security deposit					$ 2,000,000
Lease repurchase description					the Company has four options to repurchase the Property, in 2026, 2031, 2036 and 2041, for the greater of (i) $102.3 million and (ii) the fair market value of the Property.
Minimum | Casper L L C
Commitments And Contingencies [Line Items]
Lease repurchase, amount					$ 102,300,000
Deerfield | Milestone Rights Liability
Commitments And Contingencies [Line Items]
Contingent liability for milestone payments				$ 5,000,000								$ 5,000,000
Contingent liability remain payable							900,000	1,100,000					$ 55,000,000
Remaining milestone rights liability							3,900,000	4,800,000
Milestone rights liability, current							800,000	900,000
Milestone liabilities							3,100,000	$ 3,900,000
Deerfield | Milestone Rights Liability | Maximum
Commitments And Contingencies [Line Items]
Contingent liability for milestone payments													$ 90,000,000
Russell Ranch Road II LLC | Office Lease
Commitments And Contingencies [Line Items]
Operating lease rent expenses			$ 79,543
Percentage of annual increase in lease payment			3.00%
Russell Ranch Road II LLC | Maximum | Office Lease
Commitments And Contingencies [Line Items]
Reimbursement for tenant improvements						$ 900,000
Additional base rent concession						$ 700,000
Sagard
Commitments And Contingencies [Line Items]
Upfront proceeds	$ 150,000,000
Reimbursements	$ 400,000
Percentage of royalty on future net sales	1.00%
Sagard | Remainder of Year
Commitments And Contingencies [Line Items]
Royalties	$ 0
Sagard | Tyvaso DPI
Commitments And Contingencies [Line Items]
Purchase price	200,000,000
Sagard | Tyvaso DPI | Net Sales Threshold A
Commitments And Contingencies [Line Items]
Milestone payment	(50,000,000)
Net sales	$ 1,900,000,000
Number of consecutive months | ConsecutiveMonth	12
Sagard | Tyvaso DPI | Net Sales Threshold B
Commitments And Contingencies [Line Items]
Milestone payment	$ (45,000,000)
Net sales	$ 2,300,000,000
Number of consecutive months | ConsecutiveMonth	12
Sagard | Tyvaso DPI | Net Sales Thresholds A and B
Commitments And Contingencies [Line Items]
Net sales	$ 3,500,000,000
Sagard | Royalty Liability
Commitments And Contingencies [Line Items]
Royalty rights	1.00%
Transaction costs	$ 4,400,000
Percentage of Future Royalty Revenues	10.00%
Effective interest rate	1110.00%
Non-cash interest expense							200,000
Non-cash revenue recognized							$ 2,100,000