Related Party Transactions	9 Months Ended
Sep. 30, 2017
Related Party Transactions
Related Party Transactions	(3)Related Party Transactions Certain of the Partnership’s unitholders, including members of its executive management group, own a significant interest in the Partnership and, either through their representatives or directly, serve as members of the Board of Directors of Antero Resources and the Boards of Directors of the general partners of the Partnership and AMGP. These same groups or individuals own common stock in Antero Resources and common shares and other interests in AMGP, which indirectly owns the incentive distribution rights in the Partnership. The Partnership’s executive management group also manages the operations and business affairs of Antero Resources and AMGP. (a)Revenues Substantially all revenues earned in the nine months ended September 30, 2016 and 2017 were earned from Antero Resources under various agreements for gathering and compression and water handling and treatment. (b)Accounts receivable—Antero Resources and Accounts payable—Antero Resources Accounts receivable—Antero Resources represents amounts due from Antero Resources, primarily related to gathering and compression services and water handling and treatment services. Accounts payable—Antero Resources represents amounts due to Antero Resources for general and administrative expenses, seconded employees, and other costs. (c)Allocation of Costs The employees supporting our operations are employees of Antero Resources. Direct operating expense includes allocated costs of $1.0 million and $2.6 million during the three months ended September 30, 2016 and 2017, respectively, and $2.8 million and $5.0 million during the nine months ended September 30, 2016 and 2017, respectively, related to labor charges for Antero Resources employees associated with the operation of our gathering lines, compressor stations, and water handling and treatment assets. General and administrative expense includes allocated costs of $12.2 million and $13.0 million during the three months ended September 30, 2016 and 2017, respectively, and $36.1 million and $39.8 million during the nine months ended September 30, 2016 and 2017, respectively. These costs relate to: (i) various business services, including payroll processing, accounts payable processing and facilities management, (ii) various corporate services, including legal, accounting, treasury, information technology and human resources and (iii) compensation, including equity-based compensation (see Note 6—Equity-Based Compensation for more information). These expenses are charged or allocated to us based on the nature of the expenses and are allocated based on a combination of our proportionate share of gross property and equipment, capital expenditures and labor costs, as applicable. We reimburse Antero Resources directly for all general and administrative costs allocated to us, with the exception of noncash equity compensation allocated to the Partnership for awards issued under the Antero Resources long-term incentive plan or the Midstream LTIP.

(3)Related Party Transactions

Certain of the Partnership’s unitholders, including members of its executive management group, own a significant interest in the Partnership and, either through their representatives or directly, serve as members of the Board of Directors of Antero Resources and the Boards of Directors of the general partners of the Partnership and AMGP. These same groups or individuals own common stock in Antero Resources and common shares and other interests in AMGP, which indirectly owns the incentive distribution rights in the Partnership. The Partnership’s executive management group also manages the operations and business affairs of Antero Resources and AMGP.

(a)Revenues

Substantially all revenues earned in the nine months ended September 30, 2016 and 2017 were earned from Antero Resources under various agreements for gathering and compression and water handling and treatment.

(b)Accounts receivable—Antero Resources and Accounts payable—Antero Resources

Accounts receivable—Antero Resources represents amounts due from Antero Resources, primarily related to gathering and compression services and water handling and treatment services. Accounts payable—Antero Resources represents amounts due to Antero Resources for general and administrative expenses, seconded employees, and other costs.

(c)Allocation of Costs

The employees supporting our operations are employees of Antero Resources. Direct operating expense includes allocated costs of $1.0 million and $2.6 million during the three months ended September 30, 2016 and 2017, respectively, and $2.8 million and $5.0 million during the nine months ended September 30, 2016 and 2017, respectively, related to labor charges for Antero Resources employees associated with the operation of our gathering lines, compressor stations, and water handling and treatment assets. General and administrative expense includes allocated costs of $12.2 million and $13.0 million during the three months ended September 30, 2016 and 2017, respectively, and $36.1 million and $39.8 million during the nine months ended September 30, 2016 and 2017, respectively. These costs relate to: (i) various business services, including payroll processing, accounts payable processing and facilities management, (ii) various corporate services, including legal, accounting, treasury, information technology and human resources and (iii) compensation, including equity-based compensation (see Note 6—Equity-Based Compensation for more information). These expenses are charged or allocated to us based on the nature of the expenses and are allocated based on a combination of our proportionate share of gross property and equipment, capital expenditures and labor costs, as applicable. We reimburse Antero Resources directly for all general and administrative costs allocated to us, with the exception of noncash equity compensation allocated to the Partnership for awards issued under the Antero Resources long-term incentive plan or the Midstream LTIP.