|**COMMITMENTS AND CONTINGENCIES Commitments and Contigencies (Tables)**                                | 12 Months Ended                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            
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|**Commitments and Contingencies Disclosure [Abstract]**                                                |                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            
|Supply Commitment [Table Text Block]                                                                   | The following table presents gross volume information related to our long-term firm transportation, sales and processing agreements for pipeline capacity:Year Ending December 31,Area20162017201820192020 andThroughExpirationTotalExpirationDateNatural gas (MMcf)Gas Marketing segment7,1367,1177,1177,11718,68747,174August 31, 2022Utica Shale2,7452,7372,7372,7379,81120,767July 22, 2023Total9,8819,8549,8549,85428,49867,941Crude oil (MBbls)Wattenberg Field2,4202,4132,4132,4131,20510,864June 30, 2020Dollar commitment (in thousands)$17,622$17,156$16,324$16,324$17,193$84,619
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|Natural gas (MMcf)                                                                                     |                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            
|Gas Marketing segment                                                                                  |                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            
|Utica Shale                                                                                            |                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            
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|Crude oil (MBbls)                                                                                      |                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            
|Wattenberg Field                                                                                       |                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            
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|Dollar commitment (in thousands)                                                                       |                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            
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|Schedule of Minimum Future Lease Payments under the Non-cancelable Operating Leases [Table Text Block] | The following table presents the minimum future lease payments under the non-cancelable operating leases as ofDecember 31, 2015:Year Ending December 31,20162017201820192020ThereafterTotal(in thousands)Minimum Lease Payments$2,353$2,166$1,975$1,937$1,967$124$10,522                                                                                                                                                                                                                                                                                                                   
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|Minimum Lease Payments                                                                                 |                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            
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