Summary of Significant Accounting Policies - Liquidity and Going Concern - Additional Information (Details) - USD ($) $ in Thousands	3 Months Ended
Mar. 31, 2020	Mar. 31, 2019	Dec. 31, 2019
Accounting Policies [Abstract]
Net loss attributable to Precigen	$ (55,998)	$ (60,709)
Accumulated deficit	$ (1,708,867)		$ (1,652,869)

The portion of profit or loss for the period, net of income taxes, which is attributable to the parent.

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