TRANSACTIONS WITH AFFILIATES AND OTHER RELATED PARTIES	12 Months Ended
Dec. 31, 2016
Related Party Transactions [Abstract]
Related Party Transactions Disclosure [Text Block]	TRANSACTIONS WITH AFFILIATES PDCM. In 2014, our Gas Marketing segment marketed the natural gas produced by PDCM. Our cost of gas marketing includes $23.2 million in 2014 related to the marketing of this gas.

TRANSACTIONS WITH AFFILIATES AND OTHER RELATED PARTIES

12 Months Ended

Dec. 31, 2016

Related Party Transactions [Abstract]

Related Party Transactions Disclosure [Text Block]

TRANSACTIONS WITH AFFILIATES

PDCM. In 2014, our Gas Marketing segment marketed the natural gas produced by PDCM. Our cost of gas marketing includes $23.2 million in 2014 related to the marketing of this gas.