Consolidated Statements of Operations and Comprehensive Income - USD ($) shares in Thousands, $ in Thousands	12 Months Ended
	Dec. 31, 2019	Dec. 31, 2018	Dec. 31, 2017
Revenues
Midstream Services — Affiliate	$ 417,835	$ 338,747	$ 271,269
Services and Sales Revenues - Third Party			18,353
Total Revenues	703,801	558,735	289,622
Costs and Expenses
Cost of Crude Oil Sales	181,390	136,368	0
Direct Operating	116,675	95,852	67,832
Depreciation and Amortization	96,981	79,568	22,990
General and Administrative	25,777	25,910	14,792
Other Operating (Income) Expense	(488)	2,159	0
Total Operating Expenses	420,335	339,857	105,614
Operating Income	283,466	218,878	184,008
Other Expense (Income)
Interest Expense, Net of Amount Capitalized	16,236	10,447	1,603
Investment Loss (Income)	17,748	(16,289)	(6,334)
Total Other Expense (Income)	33,984	(5,842)	(4,731)
Income Before Income Taxes	249,482	224,720	188,739
Tax Provision	4,015	8,001	27,972
Net Income	245,467	216,719	160,767
Less: Net Income Prior to the Drop-Down and Simplification Transaction	12,929	27,843	(2,869)
Net Income Subsequent to the Drop-Down and Simplification Transaction	232,538	188,876	163,636
Less: Net Income Attributable to Noncontrolling Interests	72,542	26,142	23,064
Net Income Attributable to Noble Midstream Partners LP	159,996	162,734	140,572
Less: Net Income Attributable to Incentive Distribution Rights	13,967	5,836	835
Net Income Attributable to Limited Partners	146,029	156,898	139,737
Basic / Common Units
Other Expense (Income)
Net Income Attributable to Limited Partners	$ 123,662	$ 93,875	$ 75,076
Net Income Attributable to Limited Partners Per Limited Partner Unit — Basic
Net Income Attributable to Limited Partners Per Limited Partner Unit — Basic (in dollars per share)	$ 3.09	$ 3.96	$ 4.10
Net Income Attributable to Limited Partners Per Limited Partner Unit — Diluted
Net Income Attributable to Limited Partners Per Limited Partner Unit — Diluted (in dollars per share)	$ 3.08	$ 3.96	$ 4.10
Weighted Average Limited Partner Units Outstanding — Basic
Average Limited Partner Units Outstanding - Basic (in units)	40,083	23,686	18,192
Weighted Average Limited Partner Units Outstanding — Diluted
Average Limited Partner Units Outstanding - Diluted (in units)	40,105	23,701	18,204
Diluted / Subordinated Units
Other Expense (Income)
Net Income Attributable to Limited Partners	$ 22,367	$ 63,023	$ 64,661
Net Income Attributable to Limited Partners Per Limited Partner Unit — Basic
Net Income Attributable to Limited Partners Per Limited Partner Unit — Basic (in dollars per share)	$ 3.86	$ 3.96	$ 4.10
Net Income Attributable to Limited Partners Per Limited Partner Unit — Diluted
Net Income Attributable to Limited Partners Per Limited Partner Unit — Diluted (in dollars per share)	$ 3.86	$ 3.96	$ 4.10
Weighted Average Limited Partner Units Outstanding — Basic
Average Limited Partner Units Outstanding - Basic (in units)	5,795	15,903	15,903
Weighted Average Limited Partner Units Outstanding — Diluted
Average Limited Partner Units Outstanding - Diluted (in units)	5,795	15,903	15,903
Midstream Services — Third Party
Revenues
Services and Sales Revenues - Third Party	$ 96,194	$ 78,498	$ 18,353
Crude Oil Sales — Third Party
Revenues
Services and Sales Revenues - Third Party	$ 189,772	$ 141,490	$ 0