Represents the maximum amount the company is entitled to receive.

No definition available.

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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, before allowance for credit loss, of right to consideration in exchange for good or service transferred to customer, when right is conditioned on something other than passage of time.

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- Definition

Amount of revenue recognized that was previously included in balance of obligation to transfer good or service to customer for which consideration from customer has been received or is due.

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- Definition

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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- Definition

Period in which remaining performance obligation is expected to be recognized as revenue, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents reported fact of one year, five months, and thirteen days.

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Agreements - Huadong (Details) - USD ($) $ in Thousands	1 Months Ended	12 Months Ended
Agreements - Huadong (Details) - USD ($) $ in Thousands	Oct. 31, 2020	Dec. 31, 2020	Dec. 31, 2019	Dec. 31, 2018
Collaborative Agreements disclosures
Revenue from contract with customer		$ 132,299	$ 82,271	$ 53,446
Revenue recognized, previously deferred		61,872	14,817	14,139
Huadong
Collaborative Agreements disclosures
Revenue recognized, previously deferred		0
Huadong \| Development and regulatory milestones
Collaborative Agreements disclosures
Potential milestone payment	$ 80,000
Huadong \| Milestone payments
Collaborative Agreements disclosures
Potential milestone payment	185,000
Upfront payment \| Huadong
Collaborative Agreements disclosures
Revenue from contract with customer	40,000
Estimated payments to received	40,000
License and milestone fees
Collaborative Agreements disclosures
Revenue from contract with customer		$ 63,742	$ 34,788	$ 15,280
License and milestone fees \| Huadong \| Milestone payments
Collaborative Agreements disclosures
Potential milestone payment	$ 265,000
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Start Date [Axis]: 2023-01-01 \| Huadong
Collaborative Agreements disclosures
Remaining performance obligation, expected timing of satisfaction		2 years