Equity Method Investment (Tables)

6 Months Ended

Jun. 30, 2017

Equity Method Investments

Schedule of reconciliation of investments in unconsolidated affiliates

The following table is a reconciliation of our investments in unconsolidated affiliates as presented on our condensed consolidated balance sheets (in thousands):

			MarkWest	Total Investment in
		Stonewall	Joint Venture	Unconsolidated Affiliates
Balance at December 31, 2016	$	68,299	—	68,299
Initial investment		—	153,770	153,770
Additional investments		—	37,594	37,594
Equity in net income of unconsolidated affiliates		5,085	769	5,854
Distributions from unconsolidated affiliates		(5,820)	—	(5,820)
Balance at June 30, 2017	$	67,564	192,133	259,697