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Asset Retirement Obligations (AROs) (Tables)
12 Months Ended
Dec. 31, 2021
Asset Retirement Obligation Disclosure [Abstract]  
Schedule of Change in Asset Retirement Obligation
A reconciliation of the carrying amounts of AROs for the years ended December 31, 2021 and 2020 is as follows: 
(in thousands)20212020
Beginning Balance$23,821 $12,656 
New Obligations Recognized 8,062 
Adjustments Due to Revisions in Cash Flow Estimates(568)3,110 
Accrued Accretion938 570 
Settlements (577)
Ending Balance$24,191 $23,821