Basic and Diluted Net Income (Loss) Per Share - Performance based stock (Details) - $ / shares	9 Months Ended
	Sep. 30, 2016	Sep. 30, 2015	Dec. 31, 2015
Antidilutive securities excluded from computation of earnings per share
Strike price of the warrants	$ 86.08
Dilutive securities excluded from computation of earnings per share	53,633	5,902
Class A common stock
Antidilutive securities excluded from computation of earnings per share
Strike price of the warrants	$ 0.01		$ 0.01
Anti-dilutive stock awards
Antidilutive securities excluded from computation of earnings per share
Dilutive securities excluded from computation of earnings per share	1,845	622
Performance based options
Antidilutive securities excluded from computation of earnings per share
Dilutive securities excluded from computation of earnings per share	4,386	3,900
Restricted Performance Units
Antidilutive securities excluded from computation of earnings per share
Dilutive securities excluded from computation of earnings per share	1,373	1,380
Common stock warrants
Antidilutive securities excluded from computation of earnings per share
Dilutive securities excluded from computation of earnings per share	46,029