Asset Retirement Obligations (Tables)

12 Months Ended

Dec. 31, 2021

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,
	2021	2020
	(In thousands)
Asset retirement obligations, beginning of period	$59,090	$49,733
Accretion expense	3,743	3,323
Liabilities incurred	1,826	3,895
Increase due to acquisition of oil and gas properties	1,898	—
Liabilities settled	(1,769)	(2,220)
Dispositions	(7,262)	(351)
Revisions to estimates	(819)	4,710
Asset retirement obligations, end of period	56,707	59,090
Less: Current asset retirement obligations	(2,249)	(1,881)
Non-current asset retirement obligations	$54,458	$57,209