Revision of Previously Issued Financial Statements - Consolidated Balance Sheet (Details) - USD ($) $ in Thousands	Sep. 30, 2017	Jun. 30, 2017	Dec. 31, 2016
Current assets
Other current assets	$ 10,391	$ 11,198	$ 2,684
Total current assets	73,998	101,524	99,322
Oil and gas properties, net, at cost under the successful efforts method	1,578,739	1,559,861	1,743,588
Total assets	1,661,578	1,739,706	1,886,700
Liabilities and Stockholders' Equity
Liability under tax receivable agreement	55,096	14,140	43,045
Total liabilities	920,256	889,081	906,274
Stockholders' equity
Retained (deficit) / earnings	(181,226)	(114,454)	(8,652)
Stockholders' equity	353,013	362,675	438,214
Non-controlling interest	298,896	398,662	453,237
Total stockholders' equity	651,909	761,337	891,451
Total liabilities and stockholders' equity	$ 1,661,578	1,739,706	$ 1,886,700
As filed
Current assets
Other current assets		11,381
Total current assets		101,707
Oil and gas properties, net, at cost under the successful efforts method		1,545,991
Total assets		1,726,019
Liabilities and Stockholders' Equity
Liability under tax receivable agreement		11,807
Total liabilities		886,748
Stockholders' equity
Retained (deficit) / earnings		(121,477)
Stockholders' equity		355,652
Non-controlling interest		394,331
Total stockholders' equity		749,983
Total liabilities and stockholders' equity		1,726,019
Exclusion of certain prior asset impairments from held for sale assets | Adjustment
Current assets
Other current assets		(183)
Total current assets		(183)
Oil and gas properties, net, at cost under the successful efforts method		13,870
Total assets		13,687
Liabilities and Stockholders' Equity
Liability under tax receivable agreement		2,333
Total liabilities		2,333
Stockholders' equity
Retained (deficit) / earnings		7,023
Stockholders' equity		7,023
Non-controlling interest		4,331
Total stockholders' equity		11,354
Total liabilities and stockholders' equity		$ 13,687