Derivatives (Tables)

12 Months Ended

Dec. 31, 2014

Derivative Instruments and Hedging Activities Disclosure [Abstract]

Schedule of price risk derivatives

The following summarizes information concerning our net positions in open commodity derivatives, all of which were entered into in February 2015, applicable to periods subsequent to December 31, 2014.  The settlement prices of commodity derivatives are based on NYMEX futures prices.

Swaps

	Oil
	MBbls	Price
Production Period:
2nd Quarter 2015	448	$	55.65
3rd Quarter 2015	697	$	55.65
4th Quarter 2015	592	$	55.65
	1,737

Schedule of effect of derivative instruments on the consolidated balance sheet

	Fair Value of Derivative Instruments as of December 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	$	—
	Non-current	—		Non-current	—
Total		$	—		$	—

	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

	December 31, 2014
	Assets		Liabilities
	(In thousands)
Fair value of derivatives — gross presentation	$	—	$	—
Effects of netting arrangements	—		—
Fair value of derivatives — net presentation	$	—	$	—

	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)

	Amount of Gain or (Loss) Recognized in Earnings
	Year Ended December 31,
Location of Gain or (Loss) Recognized in Earnings	2014		2013			2012
	(In thousands)
Derivatives not designated as hedging instruments:
Commodity derivatives:
Other income (expense) -
Gain (loss) on derivatives	$	4,789	$	(8,731	)	$	14,448
Total	$	4,789	$	(8,731	)	$	14,448