Asset Retirement Obligations (Tables)

3 Months Ended

Mar. 31, 2016

Asset Retirement Obligation Disclosure [Abstract]

Summary of Asset Retirement Obligation Transactions

The following table summarizes the Company’s asset retirement obligation transactions recorded during the three months ended March 31, 2016, and in accordance with the provisions of FASB ASC Topic 410, Asset Retirement and Environmental Obligations (in thousands):

	2016
Asset retirement obligations at December 31, 2015	$	5,075
Liabilities incurred		4
Accretion expense		128
Property dispositions		—
Liabilities settled		—
Revision of estimates		(12	)
Asset retirement obligations at March 31, 2016	$	5,195