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Segment Reporting - Additional Information (Detail) $ in Thousands	3 Months Ended		6 Months Ended		12 Months Ended
	Jun. 30, 2024 USD ($)	Jun. 30, 2023 USD ($)	Jun. 30, 2024 USD ($) Segment	Jun. 30, 2023 USD ($)	Dec. 31, 2023
Number of operating segments | Segment			1
Accounts receivable, percentage by customer	100.00%	100.00%	100.00%	100.00%
Revenue	$ 158,839	$ 159,169	$ 312,021	$ 324,549
Sales Revenue
Revenue	$ 0	$ 0	$ 0	$ 0
Customer Concentration Risk | Accounts Receivable [Member] | Novo Nordisk A/S [Member]
Accounts receivable, percentage by customer			11.60%
Customer Concentration Risk | Accounts Receivable [Member] | Customer Number One [Member]
Accounts receivable, percentage by customer					10.00%
Customer Concentration Risk | Total Trade Accounts Receivable Royalties And Other Receivables | Customer Number One [Member]
Accounts receivable, percentage by customer			10.00%
Customer Concentration Risk | Minimum [Member] | Sales Revenue
Accounts receivable, percentage by customer	10.00%	10.00%	10.00%	10.00%

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- Definition

For an entity that discloses a concentration risk in relation to quantitative amount, which serves as the "benchmark" (or denominator) in the equation, this concept represents the concentration percentage derived from the division.

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Number of operating segments. An operating segment is a component of an enterprise: (a) that engages in business activities from which it may earn revenues and incur expenses (including revenues and expenses relating to transactions with other components of the same enterprise), (b) whose operating results are regularly reviewed by the enterprise's chief operating decision maker to make decisions about resources to be allocated to the segment and assess its performance, and (c) for which discrete financial information is available. An operating segment may engage in business activities for which it has yet to earn revenues, for example, start-up operations may be operating segments before earning revenues.

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Amount, including 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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