Asset Retirement Obligations (Tables)

3 Months Ended

Mar. 31, 2022

Asset Retirement Obligation Disclosure [Abstract]

Asset Retirement Obligation

A reconciliation of our liability for plugging and abandonment costs for the three months ended March 31, 2022 and the year ended December 31, 2021 is as follows (in thousands):

	Three Months Ended March 31,  2022			Year Ended December 31, 2021
Beginning of period	$	95,836		$	79,822
Liabilities incurred		1,339			73
Liabilities settled		(1,809	)		(8,197	)
Accretion expense		1,520			5,511
Change in estimate		37			18,627
End of period		96,923			95,836
Less current portion		(5,310	)		(5,310	)
Long-term asset retirement obligations	$	91,613		$	90,526