Derivative Instruments (Tables)

6 Months Ended

Jun. 30, 2015

Derivative Instruments and Hedging Activities Disclosure [Abstract]

Schedule of Concentration of Risk

The fair value of derivative instruments where the Company is in a net asset position with its counterparties as of June 30, 2015 and December 31, 2014 totaled $134.4 million and $214.8 million, respectively, and is summarized by counterparty in the table below:

Counterparty	June 30, 2015		December 31, 2014
Wells Fargo	57	%	37	%
Societe Generale	27	%	26	%
Regions	10	%	8	%
Union Bank	5	%	4	%
Royal Bank of Canada	1	%	1	%
Credit Suisse	—	%	24	%
Total	100	%	100	%

Schedule of Derivative Instruments

The following sets forth a summary of the Company’s crude oil derivative positions, including additional costless collars entered into subsequent to the February 13, 2015 costless collars described above, at average NYMEX prices as of June 30, 2015:

Period	Type of Contract	Volumes (in Bbls/d)	Weighted Average Floor  Price ($/Bbl)		Weighted Average Ceiling  Price ($/Bbl)
July - December 2015	Costless Collars	16,200		$50.00	$67.34
January - December 2016	Costless Collars	5,490		$50.96	$74.73

The following sets forth a summary of the Company’s natural gas derivative positions at average NYMEX prices as of June 30, 2015:

Period	Type of Contract	Volumes (in MMBtu/d)	Weighted Average Floor Price ($/MMBtu)
July - December 2015	Fixed Price Swaps	30,000		$4.29