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Collaboration Agreements and Revenues - Roll-forward of Related Contract Liabilities (Detail) $ in Thousands | 3 Months Ended
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Mar. 31, 2021 USD ($)
Contract with Customer Liability [Line Items] |
Balance at December 31, 2020 | $ (2,147)
Balance at March 31, 2021 | (3,691)
AstraZeneca Agreements [Member] |
Contract with Customer Liability [Line Items] |
Balance at December 31, 2020 | (137,338)
Additions | (15,881)
Balance at March 31, 2021 | (142,813)
Recognized as Revenue | 10,406
Product Revenue, Net [Member] | Direct Sales [Member] | Contract Liabilities [Member] |
Contract with Customer Liability [Line Items] |
Balance at December 31, 2020 | (15,137)
Additions | (1,422)
Deduction | 533
Currency Translation and Other | 47
Balance at March 31, 2021 | (15,979)
Drug Product Revenue [Member] | Astellas Agreement [Member] |
Contract with Customer Liability [Line Items] |
Balance at December 31, 2020 | (5,984)
Additions | (11,759)
Balance at March 31, 2021 | (17,743)
Recognized as Revenue | $ 0

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- Definition Amount of obligation to transfer good or service to customer for which consideration has been received or is receivable. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 606 -SubTopic 10 -Section 45 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=121556615&loc=SL49130531-203044 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 606 -SubTopic 10 -Section 50 -Paragraph 8 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=121604090&loc=SL49130549-203045 Reference 3: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 606 -SubTopic 10 -Section 45 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=121556615&loc=SL49130532-203044 + Details
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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. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 606 -SubTopic 10 -Section 50 -Paragraph 8 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=121604090&loc=SL49130549-203045 + Details
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