Consolidated Statements of Operations and Comprehensive Income - USD ($) shares in Thousands, $ in Thousands	12 Months Ended
	Dec. 31, 2017	Dec. 31, 2016	Dec. 31, 2015
Revenues
Midstream Services — Affiliate	$ 224,401	$ 160,724	$ 87,837
Midstream Services — Third Party	14,880	0	0
Total Revenues	239,281	160,724	87,837
Costs and Expenses
Direct Operating	54,007	29,107	16,933
Depreciation and Amortization	12,953	9,066	6,891
General and Administrative	13,396	9,914	2,771
Total Operating Expenses	80,356	48,087	26,595
Operating Income	158,925	112,637	61,242
Other (Income) Expense
Interest Expense, Net of Amount Capitalized	1,603	3,373	4,595
Investment Income	(6,334)	(4,526)	(4,621)
Total Other (Income) Expense	(4,731)	(1,153)	(26)
Income Before Income Taxes	163,656	113,790	61,268
Income Tax Provision	20	28,288	23,226
Net Income	163,636	85,502	$ 38,042
Less: Net Income Attributable to Noncontrolling Interests	23,064	11,054
Net Income Attributable to Noble Midstream Partners LP	140,572	28,458
Less: Net Income Attributable to Incentive Distribution Rights	835	0
Net Income Attributable to Limited Partners	139,737	28,458
Common Units
Other (Income) Expense
Net Income Attributable to Limited Partners	$ 75,076	$ 14,229
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)	$ 4.10	$ 0.89
Weighted Average Limited Partner Units Outstanding — Basic
Average Limited Partner Units Outstanding - Basic (in units)	18,192	15,903
Weighted Average Limited Partner Units Outstanding — Diluted
Average Limited Partner Units Outstanding - Diluted (in units)	18,204	15,903
Subordinated Units
Other (Income) Expense
Net Income Attributable to Limited Partners	$ 64,661	$ 14,229
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)	$ 4.10	$ 0.89
Weighted Average Limited Partner Units Outstanding — Basic
Average Limited Partner Units Outstanding - Basic (in units)	15,903	15,903
Weighted Average Limited Partner Units Outstanding — Diluted
Average Limited Partner Units Outstanding - Diluted (in units)	15,903	15,903