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Related-Party Transactions - Additional Information (Detail) - USD ($) $ in Millions	1 Months Ended	3 Months Ended
	Jun. 30, 2019	Mar. 31, 2020	Dec. 31, 2019
Related Party Transaction [Line Items]
Common stock, outstanding		32,459,394	32,266,814
Ginkgo Bioworks, Inc.
Related Party Transaction [Line Items]
Common stock, outstanding		6,340,771
Prepayment to related party for collaboration agreement	$ 30.0
Related party transaction collaboration agreement, initial term	5 years
Current Pre-Paid Research and Development		$ 11.3
Non Current Pre-Paid Research and Development		12.4
Prepaid research and development expenses		$ 3.6

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Number of shares of common stock outstanding. Common stock represent the ownership interest in a corporation.

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Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 505
-SubTopic 10
-Section 50
-Paragraph 2
-URI http://asc.fasb.org/extlink&oid=109259400&loc=d3e21463-112644

Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 210
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SX 210.5-02(29))
-URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682

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