ACQUISITIONS AND DROP DOWN TRANSACTIONS - Lonestar Assets (Details) - Barnett Shale Play $ in Millions	Sep. 30, 2014 USD ($) contract
Property, Plant and Equipment [Line Items]
Payments to acquire gas gathering assets \| $	$ 10.9
Number of long-term, fee-based contracts \| contract	2

The cash outflow to purchase long lived physical asset use for the normal oil and gas operations and not intended for resale.

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Glossary Investing Activities
-URI http://asc.fasb.org/extlink&oid=6516133

Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 230
-SubTopic 10
-Section 45
-Paragraph 13
-Subparagraph (c)
-URI http://asc.fasb.org/extlink&oid=66902209&loc=d3e3213-108585

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Balance Type:	credit
Period Type:	duration