XML 23 R29.htm IDEA: XBRL DOCUMENT

Acquisitions - Purchase Price Allocation Table (details) (Western Gas Partners [Member], USD $) In Thousands, unless otherwise specified	Mar. 31, 2013
Western Gas Partners [Member]
Business Acquisition Line Items
Property, plant and equipment	$ 135,587
Asset retirement obligations	(174)
Total purchase price	$ 135,413

The total purchase price of the acquired entity. This includes cash paid to equity interest holders of the acquired entity, fair value of debt and equity securities issued to equity holders of the acquired entity, and transaction costs paid to third parties to consummate the acquisition.

+ References+ Details