Drug product revenue from related party.

No definition available.

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- Definition

Amount of receivables arising from transactions with related parties due within one year or the normal operating cycle, if longer.

+ References

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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

Carrying amount as of the balance sheet date of obligations due all related parties. For classified balance sheets, represents the current portion of such liabilities (due within one year or within the normal operating cycle if longer).

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- Definition

Carrying amount as of the balance sheet date of obligations due all related parties.

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- Definition

This item represents the carrying amount on the entity's balance sheet of its investment in common stock of an equity method investee. This is not an indicator of the fair value of the investment, rather it is the initial cost adjusted for the entity's share of earnings and losses of the investee, adjusted for any distributions (dividends) and other than temporary impairment (OTTI) losses recognized.

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- Definition

Amount of income (loss) for proportionate share of equity method investee's income (loss).

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- Definition

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.

+ References

No definition available.

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- Definition

Amount of revenue, fees and commissions earned from transactions between (a) a parent company and its subsidiaries; (b) subsidiaries of a common parent; (c) an entity and trusts for the benefit of employees, for example, but not limited to, pension and profit-sharing trusts that are managed by or under the trusteeship of the entity's management; (d) an entity and its principal, owners, management, or members of their immediate families; and (e) affiliates.

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- Definition

Percentage of the Variable Interest Entity's (VIE) voting interest owned by (or beneficial interest in) the reporting entity (directly or indirectly).

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Related Party Transactions - Additional Information (Detail) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2023	Jun. 30, 2022	Jun. 30, 2023	Jun. 30, 2022	Dec. 31, 2022
Related Party Transaction [Line Items]
Accounts receivable from related parties	$ 19,951		$ 19,951		$ 12,088
Accrued liabilities to related party	25,229		25,229		63,886
Investment income (loss)	550	$ 565	1,346	$ 885
Equity method investments	6,112		6,112		5,061
Astellas [Member]
Related Party Transaction [Line Items]
Drug product revenue from a related party	14,300	1,100	16,400	8,700
Due to related parties	30,400		30,400		63,900
Astellas [Member] \| Collaborative Arrangement [Member]
Related Party Transaction [Line Items]
Accounts receivable from related parties	8,900		8,900		1,500
Deferred Revenue	15,500		15,500		40,300
Astellas [Member] \| License and Development [Member] \| Collaborative Arrangement [Member]
Related Party Transaction [Line Items]
Revenue related to collaboration agreements	1,800	1,800	3,500	29,600
Falikang [Member]
Related Party Transaction [Line Items]
Accounts receivable from related parties	11,000		11,000		10,500
Investment income (loss)	600	600	1,300	900
Equity method investments	6,100		$ 6,100		$ 5,100
Percentage of outstanding shares owned			51.10%
Falikang [Member] \| Collaborative Arrangement [Member]
Related Party Transaction [Line Items]
Revenue related to collaboration agreements	$ 20,500	$ 19,700	$ 41,900	$ 36,000