Consolidated Statement of Operations and Comprehensive Income - USD ($) shares in Thousands, $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2019	Jun. 30, 2018	Jun. 30, 2019	Jun. 30, 2018
Revenues
Midstream Services — Affiliate	$ 85,882	$ 66,924	$ 177,878	$ 131,187
Total Revenues	158,261	121,971	306,221	219,704
Costs and Expenses
Cost of Crude Oil Sales	48,079	40,012	78,977	61,451
Direct Operating	27,697	18,393	55,134	35,541
Depreciation and Amortization	20,285	16,371	39,636	27,700
General and Administrative	4,838	4,980	8,861	15,422
Total Operating Expenses	100,899	79,756	182,608	140,114
Operating Income	57,362	42,215	123,613	79,590
Other Expense (Income)
Interest Expense, Net of Amount Capitalized	2,325	1,681	7,555	2,714
Investment Loss (Income)	1,748	(4,091)	(593)	(6,959)
Total Other Expense (Income)	4,073	(2,410)	6,962	(4,245)
Income Before Income Taxes	53,289	44,625	116,651	83,835
State Income Tax Provision	91	183	198	257
Net Income	53,198	44,442	116,453	83,578
Less: Net Income Attributable to Noncontrolling Interests	16,789	7,858	36,485	7,633
Net Income Attributable to Noble Midstream Partners LP	36,409	36,584	79,968	75,945
Less: Net Income Attributable to Incentive Distribution Rights	4,640	1,134	8,147	1,953
Net Income Attributable to Limited Partners	31,769	35,450	71,821	73,992
Common Units
Other Expense (Income)
Net Income Attributable to Limited Partners	$ 25,487	$ 21,210	$ 49,454	$ 44,268
Net Income Attributable to Limited Partners Per Limited Partner Unit — Basic and Diluted
Net Income Attributable to Limited Partners Per Limited Partner Unit — Basic and Diluted (in dollars per share)	$ 0.79	$ 0.90	$ 1.77	$ 1.87
Weighted Average Limited Partner Units Outstanding — Basic
Basic (in sharers)	32,090	23,686	27,916	23,684
Weighted Average Limited Partner Units Outstanding —Diluted
Diluted (in shares)	32,121	23,700	27,944	23,699
Subordinated Units
Other Expense (Income)
Net Income Attributable to Limited Partners	$ 6,282	$ 14,240	$ 22,367	$ 29,724
Net Income Attributable to Limited Partners Per Limited Partner Unit — Basic and Diluted
Net Income Attributable to Limited Partners Per Limited Partner Unit — Basic and Diluted (in dollars per share)	$ 0.84	$ 0.90	$ 1.91	$ 1.87
Weighted Average Limited Partner Units Outstanding — Basic
Basic (in sharers)	7,514	15,903	11,685	15,903
Weighted Average Limited Partner Units Outstanding —Diluted
Diluted (in shares)	7,514	15,903	11,685	15,903
Midstream Services — Third Party
Revenues
Services and Sales Revenues - Third Party	$ 20,597	$ 13,469	$ 43,691	$ 24,829
Crude Oil Sales — Third Party
Revenues
Services and Sales Revenues - Third Party	$ 51,782	$ 41,578	$ 84,652	$ 63,688