Derivatives (Tables)

3 Months Ended

Mar. 31, 2014

Derivative Instruments and Hedging Activities Disclosure [Abstract]

Schedule of information concerning the entity's net positions in open commodity derivatives

The following summarizes information concerning our net positions in open commodity derivatives applicable to periods subsequent to March 31, 2014.  The settlement prices of commodity derivatives are based on NYMEX futures prices.

Swaps:

	Oil
	Bbls	Price
Production Period:
2nd Quarter 2014	560,600	$	96.81
3rd Quarter 2014	530,200	$	96.87
4th Quarter 2014	503,200	$	96.92
	1,594,000

Schedule of effect of derivative instruments on the consolidated balance sheet

Effect of Derivative Instruments on the Consolidated Balance Sheets

	Fair Value of Derivative Instruments as of March 31, 2014
	Asset Derivatives			Liability Derivatives
	Balance Sheet			Balance Sheet
	Location	Fair Value		Location	Fair Value
		(In thousands)			(In thousands)
Derivatives not designated as hedging instruments:
Commodity derivatives	Fair value of derivatives:			Fair value of derivatives:
	Current	$	—	Current	$	1,594
	Non-current	—		Non-current	—
Total		$	—		$	1,594

	Fair Value of Derivative Instruments as of December 31, 2013
	Asset Derivatives			Liability Derivatives
	Balance Sheet			Balance Sheet
	Location	Fair Value		Location	Fair Value
		(In thousands)			(In thousands)
Derivatives not designated as hedging instruments:
Commodity derivatives	Fair value of derivatives:			Fair value of derivatives:
	Current	$	2,518	Current	$	208
	Non-current	—		Non-current	—
Total		$	2,518		$	208

Schedule of gross to net presentation reconciliation of derivative assets and liabilities

Gross to Net Presentation Reconciliation of Derivative Assets and Liabilities

	March 31, 2014
	Assets			Liabilities
	(In thousands)
Fair value of derivatives — gross presentation	$	1,151		$	2,745
Effects of netting arrangements	(1,151		)	(1,151		)
Fair value of derivatives — net presentation	$	—		$	1,594

	December 31, 2013
	Assets			Liabilities
	(In thousands)
Fair value of derivatives — gross presentation	$	3,909		$	1,599
Effects of netting arrangements	(1,391		)	(1,391		)
Fair value of derivatives — net presentation	$	2,518		$	208

Schedule of effect of derivative instruments on the consolidated statement of operations and Comprehensive Income (Loss)

Effect of Derivative Instruments Recognized in Earnings on the Consolidated Statements of Operations and Comprehensive Income (Loss)

	Amount of Gain or (Loss) Recognized in Earnings
	Three Months Ended									Three Months Ended
Location of Gain or (Loss)	March 31, 2014									March 31, 2013
Recognized in Earnings	Realized			Unrealized			Total			Realized			Unrealized			Total
				(In thousands)									(In thousands)
Derivatives not designated as hedging instruments:
Commodity derivatives:
Other income (expense) -
Gain (loss) on derivatives	$	(1,137	)	$	(3,904	)	$	(5,041	)	$	(445	)	$	(6,090	)	$	(6,535	)
Total	$	(1,137	)	$	(3,904	)	$	(5,041	)	$	(445	)	$	(6,090	)	$	(6,535	)