Asset Retirement Obligations (Tables)

6 Months Ended

Jun. 30, 2014

Asset Retirement Obligation Disclosure [Abstract]

Summary of change in asset retirement obligations

The following presents a reconciliation of the Company’s asset retirement obligations (in thousands):

Asset retirement obligations at December 31, 2013	$	94,830
Liabilities added from drilling	2,842
Current year accretion expense	2,649
Settlements	(3,266		)
Asset retirement obligations at June 30, 2014	$	97,055