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- Definition

Contract With Customer, Liability, Fair Value Of Equity Option

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- Definition

Contract with Customer, Revenue Recognition Period

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- Definition

Number Of Distinct Performance Obligations

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- Definition

Number Of Licenses Granted

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Collaboration Agreement, Loyalty Receivable, Expiration Period

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- Definition

Revenue, Performance Obligation, Commercial Efforts Contribution, Percentage

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- Definition

Revenue, Performance Obligation, Commercialization Activities Performance, Percentage

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- Definition

Revenue, Performance Obligation, Regulatory Milestones, Amount

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- Definition

Revenue, Performance Obligation, Sales Milestones, Amount

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- Definition

Revenue, Performance Obligation, Upfront Nonrefundable Amount Received

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- Definition

Amount, after allowance for credit loss, of right to consideration from customer for product sold and service rendered in normal course of business, classified as current.

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Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

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- Definition

Amount of obligation to transfer good or service to customer for which consideration has been received or is receivable.

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- Definition

Amount of obligation to transfer good or service to customer for which consideration has been received or is receivable, classified as current.

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Amount of obligation to transfer good or service to customer for which consideration has been received or is receivable, classified as noncurrent.

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Amount, excluding tax collected from customer, of revenue from satisfaction of performance obligation by transferring promised good or service to customer. Tax collected from customer is tax assessed by governmental authority that is both imposed on and concurrent with specific revenue-producing transaction, including, but not limited to, sales, use, value added and excise.

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Significant Agreements and Contracts - Additional Information (Details) $ in Thousands		3 Months Ended			9 Months Ended
	May 03, 2024 USD ($) performanceObligation license	Sep. 30, 2024 USD ($)	Jun. 30, 2024 USD ($)	Sep. 30, 2023 USD ($)	Sep. 30, 2024 USD ($)	Sep. 30, 2023 USD ($)	Dec. 31, 2023 USD ($)
Effect of exchange rate changes on revenue
Total revenue		$ 9,480		$ 0	$ 105,322	$ 0
Deferred revenue, current		20,327			20,327		$ 0
Long-term contract liabilities		43,780			43,780		0
Accounts receivable		6,588			6,588		0
Chiesi
Effect of exchange rate changes on revenue
Number of significant distinct performance obligations \| performanceObligation	4
Number of licenses granted \| license	2
Commercial efforts contribution, percentage	50.00%
Commercialization activities performance, percentage	50.00%
Up-front, nonrefundable payment received	$ 160,000
Loyalty term, expiration period	10 years
Development cost reimbursement payment	$ 160,000
Contract with customer, liability, fair value of equity option	$ 500
Total revenue		9,480			105,322
Contract Liability		$ 64,107			$ 64,107		$ 0
Revenue recognition period		4 years 3 months 18 days			4 years 3 months 18 days
Accounts receivable		$ 6,600			$ 6,600
Chiesi \| US License
Effect of exchange rate changes on revenue
Number of significant distinct performance obligations \| performanceObligation	2
Total revenue			$ 88,800
Chiesi \| Revenue from PAH research and development service performance obligation satisfied during reporting period
Effect of exchange rate changes on revenue
Total revenue		$ 9,500			$ 16,600
Chiesi \| Maximum
Effect of exchange rate changes on revenue
Collaboration agreement, regulatory milestones receivable	$ 146,000
Collaboration agreement, sales milestones receivable	$ 180,000