Net Income Per Limited Partner Unit (Details) - USD ($) $ / shares in Units, shares in Thousands, $ in Thousands	3 Months Ended
	Mar. 31, 2018	Mar. 31, 2017
Earnings Per Share, Diluted, by Common Class, Including Two Class Method [Line Items]
Net Income Attributable to Noble Midstream Partners LP	$ 39,361	$ 24,342
Less: Net Income Attributable to Incentive Distribution Rights	819	0
Net Income Attributable to Limited Partners	$ 38,542	$ 24,342
Antidilutive Restricted Units (units)	21	5
Common Units
Earnings Per Share, Diluted, by Common Class, Including Two Class Method [Line Items]
Net Income Attributable to Limited Partners	$ 23,058	$ 12,171
Net Income Attributable to Limited Partners Per Limited Partner Unit — Basic and Diluted (in dollars per unit)	$ 0.97	$ 0.77
Weighed Average Limited Partner Units Outstanding, Basic (in units)	23,683	15,903
Weighed Average Limited Partner Units Outstanding, Diluted (in units)	23,698	15,909
Subordinated Unitholders
Earnings Per Share, Diluted, by Common Class, Including Two Class Method [Line Items]
Net Income Attributable to Limited Partners Per Limited Partner Unit — Basic and Diluted (in dollars per unit)	$ 0.97	$ 0.77
Noble | Subordinated Unitholders
Earnings Per Share, Diluted, by Common Class, Including Two Class Method [Line Items]
Net Income Attributable to Limited Partners	$ 15,484	$ 12,171
Weighed Average Limited Partner Units Outstanding, Basic (in units)	15,903	15,903
Weighed Average Limited Partner Units Outstanding, Diluted (in units)	15,903	15,903