Shareholders' Equity and Noncontrolling Interest - Warrants (Details)			6 Months Ended
	Mar. 01, 2017 $ / shares	Feb. 24, 2017 day	Jun. 30, 2017 shares
Series B Preferred Stock
Class of Warrant or Right [Line Items]
Preferred stock number of trading days (in days) | day		10
Public Warrants
Class of Warrant or Right [Line Items]
Warrant exercise price (in dollars per share)	$ 0.01
Warrants, cashless exercise, common stock issues as percent of warrants	37.60%
Public Warrants | Common Stock Class A
Class of Warrant or Right [Line Items]
Warrants exercised (in shares) | shares			6,235,790
Public Warrants | Minimum
Class of Warrant or Right [Line Items]
Warrant, cashless exercise, average common stock price per share (in dollars per share)	$ 11.50
Public Warrants | Maximum
Class of Warrant or Right [Line Items]
Warrant, cashless exercise, average common stock price per share (in dollars per share)	$ 18.44
Warrants To Purchase Class A Common Stock, Private Placement
Class of Warrant or Right [Line Items]
Warrants outstanding (in shares) | shares			8,000,000