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Collaboration Agreements, License Agreement and Revenues - Deferred Revenue - Additional Information (Detail) - USD ($) $ in Thousands	Jun. 30, 2022	Dec. 31, 2021
Product Revenue, Net [Member] | Beijing Falikang Pharmaceutical Co Ltd
Collaborative Arrangements and Non-collaborative Arrangement Transactions [Line Items]
Reductions to gross accounts receivable	$ 6,500	$ 13,400
AstraZeneca Agreements [Member]
Collaborative Arrangements and Non-collaborative Arrangement Transactions [Line Items]
Deferred revenue	170,514	$ 171,516
AstraZeneca Agreements [Member] | China [Member]
Collaborative Arrangements and Non-collaborative Arrangement Transactions [Line Items]
Deferred revenue	$ 14,900

X

- Definition

Amount of allowance for credit loss on accounts receivable.

+ References

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