Derivative Financial Instruments (Tables)

9 Months Ended

Sep. 30, 2015

Derivative Instruments And Hedging Activities Disclosure [Abstract]

Schedule of Outstanding Commodity Derivative Instruments

The Company had the following open crude oil derivative contracts as of September 30, 2015:

Period	Instrument	Commodity	Volume in Bbls		Fixed Price
October 2015 - December 2015	Swap	Crude Oil		16,500	$	95.10
October 2015 - March 2016	Swap	Crude Oil		30,000	$	57.00
October 2015 - June 2016	Swap	Crude Oil		90,000	$	58.00
October 2015 - December 2016	Swap	Crude Oil		150,000	$	60.80

Summary of Gross and Net Information about Commodity Derivative Instruments

The following table summarizes the location and fair value amounts of all derivative instruments in the Condensed Consolidated Balance Sheets as well as the gross recognized derivative assets, liabilities, and amounts offset in the Condensed Consolidated Balance Sheets (in thousands):

		September 30, 2015						December 31, 2014
Derivatives not designated as hedging contracts under ASC Topic 815	Balance Sheet Location	Gross Recognized Assets / Liabilities		Gross Amounts Offset		Net Recognized Assets / Liabilities		Gross Recognized Assets / Liabilities		Gross Amounts Offset		Net Recognized Assets / Liabilities
Commodity contracts	Current derivative assets	$	3,626	$	—	$	3,626	$	3,569	$	—	$	3,569
Commodity contracts	Noncurrent derivative assets	$	287	$	—	$	287	$	—	$	—	$	—

Realized and Unrealized Gains and Losses from Commodity Derivative Instruments

The follow table summarizes the location and amounts of the Company’s realized and unrealized gains and losses on derivative instruments in the Company’s Condensed Consolidated Statements of Operations (in thousands):

		Three months ended September 30,				Nine months ended September 30,
Derivatives not designated as hedging contracts under ASC Topic 815	Statement of Operations Location	2015		2014		2015		2014
Unrealized gain on commodity    contracts	Net gain on derivative contracts	$	3,425	$	2,369	$	344	$	1,155
Realized gain (loss) on commodity    contracts	Net gain on derivative contracts	$	1,741	$	120	$	4,178	$	(969	)
		$	5,166	$	2,489	$	4,522	$	186