Consolidated Statement of Operations and Comprehensive Income - USD ($) shares in Thousands, $ in Thousands	3 Months Ended
	Mar. 31, 2019	Mar. 31, 2018
Revenues
Midstream Services — Affiliate	$ 91,996	$ 64,263
Total Revenues	147,960	97,733
Costs and Expenses
Cost of Crude Oil Sales	30,898	21,439
Direct Operating	27,437	17,148
Depreciation and Amortization	19,351	11,329
General and Administrative	4,023	10,442
Total Operating Expenses	81,709	60,358
Operating Income	66,251	37,375
Other Expense (Income)
Interest Expense, Net of Amount Capitalized	5,230	1,033
Investment Income	(2,341)	(2,868)
Total Other Expense (Income)	2,889	(1,835)
Income Before Income Taxes	63,362	39,210
State Income Tax Provision	107	74
Net Income	63,255	39,136
Less: Net Income (Loss) Attributable to Noncontrolling Interests	19,696	(225)
Net Income Attributable to Noble Midstream Partners LP	43,559	39,361
Less: Net Income Attributable to Incentive Distribution Rights	3,507	819
Net Income Attributable to Limited Partners	$ 40,052	$ 38,542
Net Income Attributable to Limited Partners Per Limited Partner Common and Subordinated Unit
Net Income Attributable to Limited Partners Per Limited Partner Common and Subordinated Unit - Basic (in usd per unit)	$ 1.01	$ 0.97
Net Income Attributable to Limited Partners Per Limited Partner Common and Subordinated Unit - Diluted (in usd per unit)	$ 1.01	$ 0.97
Common Units
Other Expense (Income)
Net Income Attributable to Limited Partners	$ 23,967	$ 23,058
Weighted Average Limited Partner Units Outstanding — Basic
Basic (in units)	23,696	23,683
Weighted Average Limited Partner Units Outstanding —Diluted
Diluted (in units)	23,721	23,698
Subordinated Units | Noble
Other Expense (Income)
Net Income Attributable to Limited Partners	$ 16,085	$ 15,484
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
Midstream Services — Third Party
Revenues
Services and Sales Revenues - Third Party	$ 23,094	$ 11,360
Crude Oil Sales — Third Party
Revenues
Services and Sales Revenues - Third Party	$ 32,870	$ 22,110