Transactions with Affiliates (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended		12 Months Ended
	Sep. 30, 2016	Sep. 30, 2015	Sep. 30, 2016	Sep. 30, 2015	Dec. 31, 2016
Related Party Transaction [Line Items]
Total Midstream Services—Affiliate	$ 47,167	$ 22,670	$ 112,259	$ 51,734
Fixed Overhead—Affiliate	1,712	706	5,272	1,933
General and Administrative Expense—Third Party	875	142	2,139	425
Total General and Administrative Expense	2,587	848	7,411	2,358
Proceeds from Asset Sale— Affiliate			1,850	0
Noble Energy | Noble Energy
Related Party Transaction [Line Items]
Total Midstream Services—Affiliate	47,167	22,670	112,259	51,734
Proceeds from Asset Sale— Affiliate			$ 1,900
Annual increase in fees			2.50%
Initial term			15 years
Renewal term			1 year
Noble Energy | Noble Energy | Crude Oil, Natural Gas and Produced Water Gathering
Related Party Transaction [Line Items]
Total Midstream Services—Affiliate	24,250	14,032	$ 67,313	34,633
Noble Energy | Noble Energy | Fresh Water Delivery
Related Party Transaction [Line Items]
Total Midstream Services—Affiliate	21,280	7,671	39,968	14,136
Noble Energy | Noble Energy | Crude Oil Treating
Related Party Transaction [Line Items]
Total Midstream Services—Affiliate	1,397	967	4,090	2,965
Noble Energy | Noble Energy | Other
Related Party Transaction [Line Items]
Total Midstream Services—Affiliate	$ 240	$ 0	$ 888	$ 0
Scenario, Forecast | Noble Energy | Noble Energy
Related Party Transaction [Line Items]
Fixed Overhead—Affiliate					$ 6,850