Net Income Per Limited Partner Unit (Details) - USD ($) $ / shares in Units, shares in Thousands, $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2020	Jun. 30, 2019	Jun. 30, 2020	Jun. 30, 2019
Earnings Per Share, Diluted, by Common Class, Including Two Class Method
Net Income Attributable to Noble Midstream Partners LP	$ 48,236	$ 36,409	$ 58,339	$ 79,968
Less: Net Income Attributable to Incentive Distribution Rights	0	4,640	0	8,147
Net Income Attributable to Limited Partners	$ 48,236	$ 31,769	$ 58,339	$ 71,821
Antidilutive Restricted Units (in shares)	207	68	187	71
Common Units
Earnings Per Share, Diluted, by Common Class, Including Two Class Method
Net Income Attributable to Limited Partners	$ 48,236	$ 25,487	$ 58,339	$ 49,454
Net Income Attributable to Limited Partners Per Limited Partner Unit — Basic and Diluted (in dollars per share)	$ 0.53	$ 0.79	$ 0.65	$ 1.77
Weighed Average Limited Partner Units Outstanding, Basic (in shares)	90,163	32,090	90,158	27,916
Weighed Average Limited Partner Units Outstanding, Diluted (in shares)	90,164	32,121	90,163	27,944
Subordinated Units
Earnings Per Share, Diluted, by Common Class, Including Two Class Method
Net Income Attributable to Limited Partners	$ 0	$ 6,282	$ 0	$ 22,367
Net Income Attributable to Limited Partners Per Limited Partner Unit — Basic and Diluted (in dollars per share)	$ 0	$ 0.84	$ 0	$ 1.91
Weighed Average Limited Partner Units Outstanding, Basic (in shares)	0	7,514	0	11,685
Weighed Average Limited Partner Units Outstanding, Diluted (in shares)	0	7,514	0	11,685