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Summary of Significant Accounting Policies - Additional Information (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2020	Dec. 31, 2019	Dec. 31, 2018	Jul. 31, 2018
Organization And Significant Accounting Policies [Line Items]
Required notice period for voluntary termination of collaborative agreement	90 days
Research and development commitments with third parties not incurred	$ 12,054	$ 14,664
Maturity period of highly liquid investment	3 months
Cash equivalent investments in highly liquid money market accounts	$ 30,164	47,238
Maximum risk of loss related to the identified VIEs	$ 0	$ 1,461
Minimum
Organization And Significant Accounting Policies [Line Items]
Expected useful life of intangible asset	3 years
Maximum
Organization And Significant Accounting Policies [Line Items]
Expected useful life of intangible asset	18 years
Precigen Stock Option Plans
Organization And Significant Accounting Policies [Line Items]
Expected dividend yield	0.00%	0.00%	0.00%
Products and services revenues
Organization And Significant Accounting Policies [Line Items]
Product and service revenues, standard payment terms	30 days
3.5% Convertible Notes Due 2023
Organization And Significant Accounting Policies [Line Items]
Debt instrument, interest rate, stated percentage				3.50%

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