Organization and Description of Business - Revision of Previously Issued Financial Statements - Consolidated Statements of Operations (Details) - USD ($) $ / shares in Units, $ in Thousands	12 Months Ended
	Dec. 31, 2015	Dec. 31, 2014	Dec. 31, 2013
Organization and Description of Business
Production and ad valorem taxes	$ 12,130	$ 22,556	$ 15,517
Income tax provision (benefit)	(2,781)	26,218	(71)
Net income (loss)	(9,077)	225,620	22,405
Net income (loss) attributable to non-controlling interests	(6,696)	184,484	24,591
Net income (loss) attributable to controlling interests	$ (2,381)	$ 41,136	$ (2,186)
Earnings (Loss) per share:
Basic earnings (loss) per share (in dollars per share)	$ (0.09)	$ 3.28	$ (0.17)
Diluted earnings (loss) per share (in dollars per share)	$ (0.09)	$ 3.28	$ (0.17)