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COMMODITY PRICE RISK MANAGEMENT (Details) (USD $) In Thousands, unless otherwise specified | 12 Months Ended
--- | ---
Dec. 31, 2013 | Dec. 31, 2012 | Dec. 31, 2011
Derivatives, Fair Value [Line Items] |  |  |
Realized derivative gain (loss) | $ (338) | $ 21 | $ (1,974)
Unrealized derivative gain (loss) | (737) | 1,070 | 1,126
Total realized and unrealized derivative gain (loss) | (1,075) | 1,091 | (848)
Current Asset [Member] | Crude Oil Costless Collars [Member] |  |  |
Derivatives, Fair Value [Line Items] |  |  |
Derivative Assets, Fair Value | 14 | 472 |
Current Liability [Member] | Crude Oil Costless Collars [Member] |  |  |
Derivatives, Fair Value [Line Items] |  |  |
Derivative Liabilities, Fair Value | $ 280 | $ 0 |
Crude Oil Costless Collar 01/01/14 - 06/30/14 [Member] |  |  |
Derivative [Line Items] |  |  |
Counterparty | Wells Fargo |  |
Basis | WTI |  |
Quantity (barrels per day) | 300 |  |
Crude Oil Costless Collar 01/01/14 - 06/30/14 [Member] | Put Option [Member] |  |  |
Derivative [Line Items] |  |  |
Strike Price (in dollars per barrel) | 90.00 |  |
Crude Oil Costless Collar 01/01/14 - 06/30/14 [Member] | Call Option [Member] |  |  |
Derivative [Line Items] |  |  |
Strike Price (in dollars per barrel) | 95.00 |  |
Crude Oil Costless Collar 01/01/14 - 06/30/14 (2) [Member] |  |  |
Derivative [Line Items] |  |  |
Counterparty | Wells Fargo |  |
Basis | WTI |  |
Quantity (barrels per day) | 300 |  |
Crude Oil Costless Collar 01/01/14 - 06/30/14 (2) [Member] | Put Option [Member] |  |  |
Derivative [Line Items] |  |  |
Strike Price (in dollars per barrel) | 90.00 |  |
Crude Oil Costless Collar 01/01/14 - 06/30/14 (2) [Member] | Call Option [Member] |  |  |
Derivative [Line Items] |  |  |
Strike Price (in dollars per barrel) | 97.25 |  |
Crude Oil Costless Collar 07/01/14 - 12/31/14 [Member] |  |  |
Derivative [Line Items] |  |  |
Counterparty | Wells Fargo |  |
Basis | WTI |  |
Quantity (barrels per day) | 300 |  |
Crude Oil Costless Collar 07/01/14 - 12/31/14 [Member] | Put Option [Member] |  |  |
Derivative [Line Items] |  |  |
Strike Price (in dollars per barrel) | 90.00 |  |
Crude Oil Costless Collar 07/01/14 - 12/31/14 [Member] | Call Option [Member] |  |  |
Derivative [Line Items] |  |  |
Strike Price (in dollars per barrel) | 98.40 |  |

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