Consolidated Statements of Comprehensive Income (Loss) (USD $) In Thousands, unless otherwise specified	3 Months Ended
	Mar. 31, 2014	Mar. 31, 2013
Statement Of Income And Comprehensive Income [Abstract]
Net income (loss)	$ 3,249	$ (36,362)
Other comprehensive income (loss):
Unrealized gain on investments	69
Foreign currency translation adjustments	41	(17)
Comprehensive income (loss)	3,359	(36,379)
Comprehensive loss attributable to the noncontrolling interests	848	59
Comprehensive income (loss) attributable to Intrexon	$ 4,207	$ (36,320)