Equity and Partners' Capital (Tables)

3 Months Ended

Mar. 31, 2018

Partners' Capital Notes [Abstract]

Partnership Interests Table

The following table summarizes WES’s units issued during the three months ended March 31, 2018:

	WES Common Units	WES Class C Units	WES General Partner Units	Total
Balance at December 31, 2017	152,602,105	13,243,883	2,583,068	168,429,056
PIK Class C units	—	261,394	—	261,394
Balance at March 31, 2018	152,602,105	13,505,277	2,583,068	168,690,450