Asset Retirement Obligations (Tables)

3 Months Ended

Mar. 31, 2020

Asset Retirement Obligation Disclosure [Abstract]

Schedule of changes in Company's asset retirement obligations

The following table summarizes the changes in the Company’s asset retirement obligations for the three months ended March 31, 2020 (in thousands).

Beginning asset retirement obligations	$	36,211
Liabilities incurred during period	990
Liabilities settled during period	(44		)
Accretion expense	476
Ending asset retirement obligations	37,633
Less: current asset retirement obligations(1)	(515		)
Long-term asset retirement obligations	$	37,118

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(1)

Included in accrued liabilities in the Company’s interim unaudited condensed consolidated balance sheet at March 31, 2020.