Acquisitions and Divestitures (Details)							1 Months Ended	6 Months Ended	12 Months Ended
	Nov. 22, 2016 USD ($) item	Jul. 05, 2016 USD ($)	Jun. 15, 2016 USD ($)	Oct. 14, 2015 USD ($) shares	Apr. 15, 2015 USD ($) $ / shares	Mar. 31, 2015 USD ($) $ / shares shares	Jul. 31, 2016 USD ($)	Dec. 31, 2016 USD ($)	Dec. 31, 2016 USD ($)
Carnero Processing Acquisition
Business Acquisition [Line Items]
Acquisition membership interest (as percent)	50.00%
Cash payment for acquisition	$ 55,500,000
Capital contribution commitments	24,500,000
Carnero Gathering
Business Acquisition [Line Items]
Acquisition membership interest (as percent)		50.00%
Cash payment for acquisition		$ 37,000,000
Capital contribution commitments		$ 7,400,000						$ 3,300,000
Eagle Ford
Business Acquisition [Line Items]
Cash payment for acquisition						$ 83,400,000
Initial purchase price						85,000,000
Purchase price	$ 26,454,000					$ 84,299,000
Western Catarina Midstream
Business Acquisition [Line Items]
Cash payment for acquisition				$ 345,800,000
Repurchase of units (in units) | shares				105,263
Purchase price				$ 345,840,000
Class A Preferred
Business Acquisition [Line Items]
Price per unit sold | $ / shares					$ 1.60	$ 1.60
Proceeds from preferred units sold					$ 375,000	$ 17,000,000
Class A Preferred | Eagle Ford
Business Acquisition [Line Items]
Shares issued | shares						10,625,000
Price per unit sold | $ / shares						$ 1.60
Proceeds from preferred units sold						$ 17,000,000
Common Units | Eagle Ford
Business Acquisition [Line Items]
Shares issued | shares						105,263
Prior To Stock Split | Common Units | Eagle Ford
Business Acquisition [Line Items]
Shares issued | shares						1,052,632
Carnero Gathering LLC, Joint Venture
Business Acquisition [Line Items]
Ownership interest (as a percent)		50.00%					50.00%
Payments to acquire interest in joint venture		$ 37,000,000					$ 37,000,000
Assumption of capital commitments in joint venture		$ 7,400,000					$ 7,400,000	$ 4,300,000	$ 4,300,000
Payments of capital commitments from joint venture									$ 3,300,000
TPL South Tex Processing Company LP
Business Acquisition [Line Items]
Ownership interest (as a percent)	50.00%	50.00%
SN Cotulla Assets, LLC and SN Palmetto, LLC
Business Acquisition [Line Items]
Producing wellbores | item	23
SN Cotulla Assets, LLC and SN Palmetto, LLC | Eagle Ford
Business Acquisition [Line Items]
Cash payment for acquisition	$ 25,600,000
Closing adjustments	$ 1,400,000
Producing wellbores | item	11
Gateway Resources U.S.A., Inc.
Business Acquisition [Line Items]
Proceeds from divestiture of business			$ 7,120
Loss on disposition of intangible assets			$ 200,000