Commitments and Contingencies - Narrative (Details) $ in Thousands		12 Months Ended
	Aug. 18, 2017 well	Dec. 31, 2018 USD ($) MMBTU	Dec. 31, 2017 USD ($)
Loss Contingencies [Line Items]
Non-cancelable fixed cost agreement next twelve months		$ 2,785
Non-cancelable fixed cost agreement due in two years		1,870
Non-cancelable fixed cost agreement due in three years		757
Rent expense		900	$ 900
Litigation settlement		4,675	$ 0
Trinity Royal Partners, LP
Loss Contingencies [Line Items]
Number of properties under litigation case | well	2
Non-cancelable Agreement
Loss Contingencies [Line Items]
Non-cancelable fixed cost agreement next twelve months		1,600
Non-cancelable fixed cost agreement due in two years		1,600
Non-cancelable fixed cost agreement due in three years		$ 1,600
Holding pipeline capacity | MMBTU		10,000
Oil and gas delivery commitments and contracts, net share, percentage		31.00%