v3.3.0.814

Net Income Per Limited Partner Unit (Details) $ / shares in Units, $ in Thousands					3 Months Ended		9 Months Ended
	Nov. 30, 2015 USD ($) $ / shares	Jul. 17, 2015 USD ($) $ / shares	May. 27, 2015 USD ($) $ / shares	Feb. 27, 2015 USD ($) $ / shares	Sep. 30, 2015 USD ($) $ / shares shares	Sep. 30, 2014 USD ($)	Sep. 30, 2015 USD ($) $ / shares $ / item shares	Sep. 30, 2014 USD ($)
Earnings Per Share, Basic and Diluted [Abstract]
Net income allocable to common units - basic and diluted					$ 17,561		$ 35,110
Net income allocable to subordinated units - basic and diluted					16,951		34,499
Limited partner interest in net income - basic and diluted					34,512		69,609
Net income					42,648	$ 34,290	110,097	$ 71,977
Pre-IPO net income attributed to parent						$ (34,290)		$ (71,977)
Pre-Water Acquisition net income attributed to parent					(7,841)		(40,193)
General partner interest in net income attributable to incentive distribution rights					(295)		(295)
Limited partners' interest in net income					$ 34,512		$ 69,609
Weighted average units outstanding:
Common units - basic | shares					78,018,037		76,640,925
Subordinated units - basic | shares					75,940,957		75,940,957
Common units diluted | shares					78,034,156		76,657,439
Subordinated units - diluted | shares					75,940,957		75,940,957
Net income attributable to Antero Midstream Partners LP subsequent to IPO
Common units - basic | $ / shares					$ 0.23		$ 0.46
Subordinated units - basic | $ / shares					0.22		0.45
Common units - diluted | $ / shares					0.23		0.46
Subordinated units - diluted | $ / shares					$ 0.22		$ 0.45
Cash distribution declared | $ / shares	$ 0.2050	$ 0.1900	$ 0.1800	$ 0.0943
Quarterly cash distribution	$ 36,333	$ 28,858	$ 27,338	$ 14,322
Minimum
Net income attributable to Antero Midstream Partners LP subsequent to IPO
Limited partner minimum quarterly distribution per partnership agreement | $ / item							0.17
Minimum quarterly cash distribution (per unit) | $ / item							0.17
Restricted and phantom unit award
Weighted average units outstanding:
Weighted average units outstanding - diluted | shares					16,119		16,514
Antidilutive securities excluded from computation of earnings per share | shares					2,309,580		2,314,388
General Partner
Net income attributable to Antero Midstream Partners LP subsequent to IPO
Quarterly cash distribution	295
Common units
Weighted average units outstanding:
Weighted average units outstanding - diluted | shares					78,034,156		76,657,439
Common units | Limited Partner (Common units)
Net income attributable to Antero Midstream Partners LP subsequent to IPO
Quarterly cash distribution	20,470	14,429	13,669	7,161
Limited Partner (Subordinated units) | Limited Partner (Common units)
Net income attributable to Antero Midstream Partners LP subsequent to IPO
Quarterly cash distribution	$ 15,568	$ 14,429	$ 13,669	$ 7,161

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