Reporting Segments - Reconciliation of Segment Operating Income (Details) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2020	Mar. 31, 2019
Reconciliation of segment operating income (loss) to net loss
Segment operating income (loss)	$ (14,232)	$ 7,796
General and administrative expense	(3,775)	(4,749)
Unit-based compensation expense	(398)	(635)
Interest expense, net	(23,009)	(2,786)
Other income		46
Income tax benefit (expense)	73	(46)
Net loss	(41,341)	(374)
Production
Reconciliation of segment operating income (loss) to net loss
Segment operating income (loss)	(18,583)	(3,101)
Midstream
Reconciliation of segment operating income (loss) to net loss
Segment operating income (loss)	$ 4,351	$ 10,897