Redeemable Non-Controlling Interests and Equity and Preferred Stock - Schedule of Shares of Common Stock Reserved for Issuance (Details) - shares	Dec. 31, 2016	Dec. 31, 2015
Equity [Abstract]
Shares available for grant under equity incentive plans	11,596,000	12,267,000
Restricted stock units issued and outstanding	7,964,000	930,000
Stock options issued and outstanding	4,184,000	9,277,000
Long-term incentive plan	2,706,000	3,382,000
Total	26,450,000	25,856,000