Consolidated Statements of Comprehensive Loss - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2019	Jun. 30, 2018	Jun. 30, 2019	Jun. 30, 2018
Statement of Comprehensive Income [Abstract]
Net loss	$ (38,931)	$ (66,829)	$ (101,067)	$ (114,238)
Other comprehensive income (loss):
Unrealized gain on investments	59	0	106	2
Gain (loss) on foreign currency translation adjustments	26	(12,153)	311	(6,293)
Comprehensive loss	(38,846)	(78,982)	(100,650)	(120,529)
Comprehensive loss attributable to the noncontrolling interests	199	1,489	1,581	2,792
Comprehensive loss attributable to Intrexon	$ (38,647)	$ (77,493)	$ (99,069)	$ (117,737)