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Asset Retirement Obligations
9 Months Ended
Sep. 30, 2020
Asset Retirement Obligation Disclosure [Abstract]  
Asset Retirement Obligations Asset Retirement ObligationsA reconciliation of the Company’s asset retirement obligations for the nine months ended September 30, 2020 is as follows (in thousands):
As of December 31, 2019$25,709 
Liabilities incurred519 
Liabilities settled(1,252)
Disposition of properties(143)
Accretion expense1,326 
Revisions to estimate390 
As of September 30, 2020$26,549 
Less: Current asset retirement obligations2,136 
Long-term asset retirement obligations$24,413