Condensed Consolidated Statements of Cash Flows - USD ($) $ in Thousands	9 Months Ended
	Sep. 30, 2017	Sep. 30, 2016
Cash flows from operating activities:
Net income	$ 243,160	$ 163,352
Adjustment to reconcile net income to net cash provided by operating activities:
Depreciation	88,604	74,100
Accretion of contingent acquisition consideration	9,672	10,384
Equity-based compensation	20,436	19,366
Equity in earnings of unconsolidated affiliates	(12,887)	(2,027)
Distribution of earnings from unconsolidated affiliates	10,120
Amortization of deferred financing costs	1,906	1,185
Changes in assets and liabilities:
Accounts receivable – Antero Resources	(19,985)	7,314
Accounts receivable - third party	75	1,464
Prepaid expenses	(484)	(53)
Accounts payable	1,181	1,467
Accounts payable – Antero Resources	857	99
Accrued liabilities	1,612	(17,516)
Net cash provided by operating activities	344,267	259,135
Cash flows used in investing activities:
Additions to gathering systems and facilities	(254,619)	(152,769)
Additions to water handling and treatment systems	(143,470)	(137,355)
Investment in unconsolidated affiliates	(216,776)	(45,044)
Change in other assets	(5,877)	(2,409)
Net cash used in investing activities	(620,742)	(337,577)
Cash flows provided by financing activities:
Distributions to unitholders	(200,037)	(129,752)
Issuance of senior notes		650,000
Borrowings (repayments) on bank credit facilities, net	217,000	(450,000)
Issuance of common units, net of offering costs	248,949	19,605
Payments of deferred financing costs		(8,940)
Employee tax withholding for settlement of equity compensation awards	(932)
Other	(52)	(133)
Net cash provided by financing activities	264,928	80,780
Net increase (decrease) in cash and cash equivalents	(11,547)	2,338
Cash and cash equivalents, beginning of period	14,042	6,883
Cash and cash equivalents, end of period	2,495	9,221
Supplemental disclosure of cash flow information:
Cash paid during the period for interest	42,530	11,751
Supplemental disclosure of noncash investing activities:
Increase (decrease) in accrued capital expenditures and accounts payable for property and equipment	$ 2,936	$ (21,971)