Business and Basis of Presentation - Additional Information (Details) $ / shares in Units, $ in Millions		9 Months Ended
	May 06, 2015 USD ($) $ / shares shares	Sep. 30, 2017 basin state shares
U.S.
Limited Partners Capital Account [Line Items]
Number of states major onshore oil and natural gas basins located | state		41
Number of onshore oil and natural gas producing basins | basin		64
Common Units
Limited Partners Capital Account [Line Items]
Units exchanged in merger (in shares)	72,574,715	4,341,000
Capital units converted upon merger (in shares)		201,000
Common Units | Predecessor
Limited Partners Capital Account [Line Items]
Units conversion ratio as part of merger	12.9465
Units conversion ratio split up as part of merger	0.4329
Common Units | IPO | Limited Partner
Limited Partners Capital Account [Line Items]
Issuance of common units for initial public offering, net of offering costs, units	22,500,000
Price per common unit (in dollars per unit) | $ / shares	$ 19
Proceeds from sale of common units, net of offering expenses and underwriting discounts and commissions | $	$ 391.5
Subordinated Units
Limited Partners Capital Account [Line Items]
Units exchanged in merger (in shares)	95,057,312
Capital units converted upon merger (in shares)		263,000
Subordinated Units | Predecessor
Limited Partners Capital Account [Line Items]
Units conversion ratio split up as part of merger	0.5671
Preferred Units | Predecessor
Limited Partners Capital Account [Line Items]
Units conversion ratio as part of merger	1
Capital units converted upon merger (in shares)	117,963