TRANSACTIONS WITH AFFILIATES AND OTHER RELATED PARTIES	12 Months Ended
TRANSACTIONS WITH AFFILIATES AND OTHER RELATED PARTIES	Dec. 31, 2015
Related Party Transactions [Abstract]
Related Party Transactions Disclosure [Text Block]	TRANSACTIONS WITH AFFILIATES PDCM and Affiliated Partnerships. Our Gas Marketing segment marketed the natural gas produced by our affiliated partnerships and, until the fourth quarter of 2014, by PDCM. Our cost of natural gas marketing includes $1.3 million in 2013 related to the marketing of natural gas on behalf of our affiliated partnerships and $23.2 million and $18.1 million in 2014 and 2013, respectively, related to the marketing of natural gas on behalf of PDCM. Prior to October 2014, amounts due from/to affiliates included amounts billed for certain well operating and administrative services provided to PDCM. Amounts billed to PDCM for these services were $5.7 million and $14.5 million in 2014 and 2013, respectively. Our consolidated statements of operations include only our proportionate share of these billings. All amounts billed to PDCM for operating and administrative services in 2014 have been collected. Accordingly, we had no amounts due from PDCM as of December 31, 2014.

The entire disclosure for related party transactions. Examples of related party transactions include transactions between (a) a parent company and its subsidiary; (b) subsidiaries of a common parent; (c) and entity and its principal owners; and (d) affiliates.