Transactions with Affiliates (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2017	Jun. 30, 2016	Jun. 30, 2017	Jun. 30, 2016
Related Party Transaction [Line Items]
Total Midstream Services Revenues — Affiliate	$ 54,117	$ 32,969	$ 104,431	$ 65,092
General and Administrative Expense — Affiliate	1,713	1,713	3,425	3,559
General and Administrative Expense — Third Party	1,739	457	2,769	1,264
Total General and Administrative Expense	3,452	2,170	6,194	4,823
Noble Energy | Noble Energy
Related Party Transaction [Line Items]
Total Midstream Services Revenues — Affiliate	54,117	32,969	104,431	65,092
Noble Energy | Noble Energy | Crude Oil, Natural Gas and Produced Water Gathering
Related Party Transaction [Line Items]
Total Midstream Services Revenues — Affiliate	32,328	21,489	60,737	43,063
Noble Energy | Noble Energy | Fresh Water Delivery
Related Party Transaction [Line Items]
Total Midstream Services Revenues — Affiliate	20,348	9,813	40,667	18,688
Noble Energy | Noble Energy | Crude Oil Treating
Related Party Transaction [Line Items]
Total Midstream Services Revenues — Affiliate	1,169	1,418	2,436	2,693
Noble Energy | Noble Energy | Other
Related Party Transaction [Line Items]
Total Midstream Services Revenues — Affiliate	$ 272	$ 249	$ 591	$ 648