Revision of Previously Issued Financial Statements - Consolidated Statements of Cash Flows (Details) - USD ($) $ in Thousands	3 Months Ended			6 Months Ended	9 Months Ended
	Sep. 30, 2017	Jun. 30, 2017	Sep. 30, 2016	Jun. 30, 2017	Sep. 30, 2017	Sep. 30, 2016
Cash flows from operating activities
Net income (loss)	$ (82,963)	$ (133,978)	$ (22,429)	$ (137,493)	$ (220,456)	$ (32,561)
Adjustments to reconcile net income (loss) to net cash provided by operating activities
Impairment of oil and gas properties		148,016		148,016	148,016
Change in liability under tax receivable agreement				(28,266)	(15,831)	(422)
Changes in operating assets and liabilities
Other assets				(12,407)	(8,238)	(466)
Net cash provided by operations				21,478	41,425	14,909
Net increase (decrease) in cash				(28,388)	(29,164)	2,148
Cash
Beginning of period	6,254			34,642	34,642	21,893
End of period	5,478	6,254	$ 24,041	6,254	5,478	$ 24,041
As filed
Cash flows from operating activities
Net income (loss)		(145,332)		(148,847)
Adjustments to reconcile net income (loss) to net cash provided by operating activities
Impairment of oil and gas properties		161,886		161,886
Change in liability under tax receivable agreement				(30,599)
Changes in operating assets and liabilities
Other assets				(12,590)
Net cash provided by operations				21,478
Net increase (decrease) in cash				(28,388)
Cash
Beginning of period	$ 6,254			34,642	$ 34,642
End of period		6,254		6,254
Exclusion of certain prior asset impairments from held for sale assets | Adjustment
Cash flows from operating activities
Net income (loss)		11,354		11,354
Adjustments to reconcile net income (loss) to net cash provided by operating activities
Impairment of oil and gas properties		$ (13,870)		(13,870)
Change in liability under tax receivable agreement				2,333
Changes in operating assets and liabilities
Other assets				$ 183