Asset Retirement Obligations

3 Months Ended

Mar. 31, 2018

Asset Retirement Obligation Disclosure [Abstract]

ASSET RETIREMENT OBLIGATIONS

The following table summarizes the changes in the Company’s asset retirement obligations for the three months ended March 31, 2018 (in thousands).

Beginning asset retirement obligations	$	26,256
Liabilities incurred during period	747
Liabilities settled during period	(411		)
Accretion expense	364
Ending asset retirement obligations	26,956
Less: current asset retirement obligations(1)	(1,274		)
Long-term asset retirement obligations	$	25,682

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(1) Included in accrued liabilities in the Company’s interim unaudited condensed consolidated balance sheet at March 31, 2018.