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Asset Retirement Obligations (Tables)
 6 Months Ended
Jun. 30, 2020
Asset Retirement Obligation Disclosure [Abstract]  
Summary of Asset Retirement Obligation Transactions
The following table summarizes the Company’s asset retirement obligation transactions recorded during the six months ended June 30, (in thousands): 
 
 
2020
Beginning asset retirement obligations
 
$
2,164

Liabilities incurred
 
45

Accretion expense
 
90

Divestitures
 
(10
)
Revision of estimates
 
(2
)
Ending asset retirement obligations
 
$
2,287