Consolidated Statement of Operations and Comprehensive Income - USD ($) shares in Thousands, $ in Thousands	3 Months Ended
	Mar. 31, 2018	Mar. 31, 2017
Revenues
Midstream Services — Affiliate	$ 64,263	$ 50,314
Midstream Services — Third Party	11,360	0
Crude Oil Sales — Third Party	22,110	0
Total Revenues	97,733	50,314
Costs and Expenses
Cost of Crude Oil Sales	21,439	0
Direct Operating	17,148	11,401
Depreciation and Amortization	11,329	2,449
General and Administrative	10,442	2,742
Total Operating Expenses	60,358	16,592
Operating Income	37,375	33,722
Other (Income) Expense
Interest Expense, Net of Amount Capitalized	1,033	267
Investment Income	(2,868)	(1,065)
Total Other Income	(1,835)	(798)
Income Before Income Taxes	39,210	34,520
Income Tax Provision	74	0
Net Income	39,136	34,520
Less: Net (Loss) Income Attributable to Noncontrolling Interests	(225)	10,178
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
Common Units
Other (Income) Expense
Net Income Attributable to Limited Partners	$ 23,058	$ 12,171
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 unit)	$ 0.97	$ 0.77
Weighted Average Limited Partner Units Outstanding — Basic
Basic (in units)	23,683	15,903
Weighted Average Limited Partner Units Outstanding —Diluted
Diluted (in units)	23,698	15,909
Subordinated Unitholders
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 unit)	$ 0.97	$ 0.77
Noble | Subordinated Unitholders
Other (Income) Expense
Net Income Attributable to Limited Partners	$ 15,484	$ 12,171
Weighted Average Limited Partner Units Outstanding — Basic
Basic (in units)	15,903	15,903
Weighted Average Limited Partner Units Outstanding —Diluted
Diluted (in units)	15,903	15,903