DERIVATIVE FINANCIAL INSTRUMENTS (Details 3) (USD $) In Thousands, unless otherwise specified	Jun. 30, 2012 item	Dec. 31, 2011
Fair value of net derivatives
Derivative Assets, current	$ 972	$ 309
Derivative Liabilities, current		(980)
Derivative's Credit risk
Number of counterparties to the commodity derivative contracts	2
Commodity derivatives \| Not designated as hedging instruments
Fair value of net derivatives
Derivative Assets	972	309
Derivative Liabilities		(980)
Commodity derivatives \| Not designated as hedging instruments \| Oil
Fair value of net derivatives
Derivative Assets, current	1,134
Derivative Liabilities, current		980
Commodity derivatives \| Not designated as hedging instruments \| Natural Gas
Fair value of net derivatives
Derivative Assets, current	$ (162)	$ 309

Fair values as of the balance sheet date of all assets resulting from contracts that meet the criteria of being accounted for as derivative instruments, net of the effects of master netting arrangements.

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Derivative instrument obligations meeting the definition of a liability which the Company is a party to as of the balance sheet date.

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Carrying amount as of the balance sheet date of the asset arising from derivative instruments and hedging activities, which are expected to be converted into cash or otherwise disposed of within a year or the normal operating cycle, if longer.

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Sum as of the balance sheet date of the (a) fair values of all liabilities resulting from contracts that meet the criteria of being accounted for as derivative instruments, and (b) the carrying amounts of the liabilities arising from financial instruments or contracts used to mitigate a specified risk (hedge), and which are expected to be extinguished or otherwise disposed of within a year or the normal operating cycle, if longer, net of the effects of master netting arrangements.

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Represents the number of counterparties to the entity's commodity derivative contracts.

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