Preferred Stock - Additional Information (Detail) - USD ($) $ / shares in Units, $ in Thousands		3 Months Ended		12 Months Ended
	Jun. 29, 2016	Mar. 31, 2018	Mar. 31, 2017	Dec. 31, 2017	Jul. 01, 2016
Preferred Stock [Line Items]
Preferred stock, shares authorized		30,000,000		30,000,000
Change in derivative liability		$ 28	$ (1,560)
Series 1 Preferred Stock
Preferred Stock [Line Items]
Preferred stock, shares authorized		250,000		250,000
Preferred stock, stated value		$ 1,200		$ 1,200
Maximum percentage of common stock issuable upon conversion of preferred stock		19.90%		19.90%
Fair value of Series 1 preferred stock as a component of temporary equity		$ 149,039		$ 143,992
Temporary equity, fair value		5,100
Intrexon Corporation/Precigen
Preferred Stock [Line Items]
Embedded conversion liability		$ 900
Fair value of Series 1 preferred stock as a component of temporary equity					$ 118,200
Intrexon Corporation/Precigen | Series 1 Preferred Stock
Preferred Stock [Line Items]
Preferred stock, shares issued	100,000	3,624
Preferred stock, stated value	$ 1,200
Preferred stock, conversion rate		$ 1.00
Maximum percentage of common stock issuable upon conversion of preferred stock		19.90%
Preferred stock monthly dividend payable (per share)	$ 12.00
Intrexon Corporation/Precigen | Series 1 Preferred Stock | Before Conversion Event Date
Preferred Stock [Line Items]
Preferred stock monthly dividend payable (per share)		$ 12.00
Intrexon Corporation/Precigen | Series 1 Preferred Stock | Remaining Unconverted Shares
Preferred Stock [Line Items]
Preferred stock monthly dividend payable (per share)		$ 24.00