Revenue Recognition - Disaggregation of Revenue (Details) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2020	Mar. 31, 2019
Disaggregation of Revenue [Line Items]
Total revenues	$ 106,627	$ 93,852	[1]
Timing of satisfaction of performance obligation	The partially and wholly unsatisfied performance obligations presented in the table above are generally limited to customer contracts which have fixed pricing and fixed volume terms and conditions, which generally include customer contracts with minimum volume commitment payment obligations.
Midstream service revenues
Disaggregation of Revenue [Line Items]
Total revenues	$ 85,839	78,189
Product revenues
Disaggregation of Revenue [Line Items]
Total revenues	20,788	15,663
Crude oil and natural gas revenues | Midstream service revenues
Disaggregation of Revenue [Line Items]
Total revenues	53,977	48,617
Produced and flowback water revenues | Midstream service revenues
Disaggregation of Revenue [Line Items]
Total revenues	31,862	29,572
Natural gas and NGL revenues | Product revenues
Disaggregation of Revenue [Line Items]
Total revenues	14,436	10,218
Freshwater revenues | Product revenues
Disaggregation of Revenue [Line Items]
Total revenues	$ 6,352	$ 5,445

[1] Retrospectively adjusted for the transfer of net assets between entities under common control. See Note 2 to our unaudited condensed consolidated financial statements.