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- Definition

Contract With Customer, Liability, Fair Value Of Equity Option

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Contract with Customer, Revenue Recognition Period

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Collaboration Agreement, Loyalty Receivable, Expiration Period

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Revenue, Performance Obligation, Commercial Efforts Contribution, Percentage

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Revenue, Performance Obligation, Commercialization Activities Performance, Percentage

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Revenue, Performance Obligation, Regulatory Milestones, Amount

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Revenue, Performance Obligation, Sales Milestones, Amount

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

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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 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) - USD ($) $ in Thousands		3 Months Ended		6 Months Ended
	May 03, 2024	Jun. 30, 2024	Jun. 30, 2023	Jun. 30, 2024	Jun. 30, 2023	Dec. 31, 2023
Effect of exchange rate changes on revenue
Total revenue		$ 95,842	$ 0	$ 95,842	$ 0
Deferred revenue, current		17,013		17,013		$ 0
Long-term contract liabilities		49,683		49,683		0
Accounts receivable		3,629		3,629		0
Chiesi
Effect of exchange rate changes on revenue
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		95,842		95,842
Contract Liability		$ 66,696		$ 66,696		$ 0
Revenue recognition period		4 years 6 months		4 years 6 months
Accounts receivable		$ 3,600		$ 3,600
Chiesi \| US License
Effect of exchange rate changes on revenue
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		$ 7,100
Chiesi \| Maximum
Effect of exchange rate changes on revenue
Collaboration agreement, regulatory milestones receivable	146,000
Collaboration agreement, sales milestones receivable	$ 180,000