Related Party Agreements and Other - Additional Information (Detail) - USD ($) $ / shares in Units, shares in Millions	1 Months Ended			12 Months Ended
	Jul. 31, 2015	May. 31, 2015	Dec. 31, 2014	Dec. 31, 2015	Dec. 31, 2014	Dec. 31, 2013	Apr. 30, 2015
Related Party Transaction [Line Items]
Investments in common stock			$ 10,000,000	$ 112,008,000	$ 10,000,000
NantBioScience, Inc. [Member]
Related Party Transaction [Line Items]
Number of common stock shares acquired							1.0
Investments in common stock							$ 10,000,000
Call Option [Member]
Related Party Transaction [Line Items]
Option premium associated with option agreement				0
Levena Biopharma Co. LTD (Levena) [Member]
Related Party Transaction [Line Items]
Related party, products purchases				$ 634,000	$ 626,000	$ 0
Investor [Member] | Securities Purchase Agreement [Member]
Related Party Transaction [Line Items]
Common stock shares to be issued in the future			7.2		7.2
Share price			$ 5.80		$ 5.80
Common stock shares subscribed, subscription receivable			$ 41,700,000		$ 41,700,000
Number of common stock shares called by warrants			1.7		1.7
Warrant exercisable period			3 years
Warrant exercise price per share			$ 5.80		$ 5.80
NantKwest [Member]
Related Party Transaction [Line Items]
Number of common shares held				5.6
NantKwest [Member] | Development And License Agreement [Member]
Related Party Transaction [Line Items]
Number of common stock shares acquired			5.6		5.6
Investments in common stock			$ 10,000,000		$ 10,000,000
Nant Cell [Member]
Related Party Transaction [Line Items]
Payments to acquire interest in joint venture	$ 40,000,000
Upfront license payment received	10,000,000
Vested equity received	$ 100,000,000
NantPharma [Member] | Stock Sale And Purchase Agreement [Member]
Related Party Transaction [Line Items]
Upfront payments received		$ 90,050,000
Regulatory and sales milestones payment receivable		$ 1,200,000,000