Asset Retirement Obligations (Tables)

12 Months Ended

Dec. 31, 2020

Asset Retirement Obligation [Abstract]

Schedule of Change in Asset Retirement Obligation

The table below summarizes the activity for the Company’s asset retirement obligations:

	Years Ended December 31,
	2020	2019
	(In thousands)
Asset retirement obligations, beginning of period	$49,733	$14,292
Accretion expense	3,323	945
Liabilities incurred	3,895	615
Increase due to acquisition of oil and gas properties	—	26,107
Liabilities settled	(2,220)	(3,394)
Dispositions	(351)	(1,776)
Revisions to estimates	4,710	12,944
Asset retirement obligations, end of period	59,090	49,733
Less: Current asset retirement obligations	(1,881)	(873)
Non-current asset retirement obligations	$57,209	$48,860