ASSET RETIREMENT OBLIGATIONS (Tables)

9 Months Ended

Sep. 30, 2021

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 nine months ended September 30, 2021 (in thousands).

Beginning asset retirement obligations	$	38,542
Liabilities incurred during period	1,066
Liabilities settled during period	(96)
Divestitures during period	(709)
Accretion expense	1,529
Ending asset retirement obligations	40,332
Less: current asset retirement obligations(1)	(231)
Long-term asset retirement obligations	$	40,101

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(1)Included in accrued liabilities in the Company’s interim unaudited condensed consolidated balance sheet at September 30, 2021.