Equity Method Investments - Additional Information (Detail) - USD ($) $ in Thousands		3 Months Ended		6 Months Ended	12 Months Ended
	Oct. 13, 2015	Dec. 31, 2015	Sep. 30, 2015	Sep. 30, 2015	Dec. 31, 2015	Dec. 31, 2014	Dec. 31, 2013	Jul. 31, 2015	Apr. 30, 2015
Schedule Of Equity Method Investments [Line Items]
Equity method investment ownership percentage								40.00%
Equity method investments		$ 58,119			$ 58,119	$ 0
Net loss, Equity investments					$ 4,041	$ 0	$ 0
Joint venture agreement second payment contribution	$ 20,000
Nant Cancer Stem LLC [Member]
Schedule Of Equity Method Investments [Line Items]
Initial joint funding								$ 100,000
Equity method investment ownership percentage	20.00%
Initial joint funding contributed								$ 40,000
Equity method investment ownership percentage		20.00%			20.00%
Equity method investments		$ 18,200			$ 18,200
Net loss, Equity investments			$ 15
Equity method investment, Current assets			80,000	$ 80,000
Equity method investment, Current liabilities			15	15
Loss on equity investments		$ 4,000
NantBioScience, Inc. [Member] | Nant Cancer Stem LLC [Member]
Schedule Of Equity Method Investments [Line Items]
Equity method investment ownership percentage								60.00%
Initial joint funding contributed								$ 60,000
NANTibody [Member]
Schedule Of Equity Method Investments [Line Items]
Initial joint funding									$ 100,000
Equity method investment ownership percentage									40.00%
Initial joint funding contributed									$ 40,000
Equity method investment ownership percentage		40.00%			40.00%
Equity method investments		$ 40,000			$ 40,000
Net loss, Equity investments				95
Equity method investment, Current assets			100,000	100,000
Equity method investment, Current liabilities			$ 95	$ 95
Nant Cell [Member]
Schedule Of Equity Method Investments [Line Items]
Equity method investment ownership percentage									60.00%
Initial joint funding contributed									$ 60,000