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Asset Retirement Obligations (Tables)
9 Months Ended
Sep. 30, 2019
Asset Retirement Obligation Disclosure [Abstract]  
Schedule of Asset Retirement Obligations
The following table summarizes the changes in the Company’s asset retirement obligations (“ARO”) associated with our working interests in oil and gas properties for the nine months ended September 30, 2019:
(in thousands)
 
Asset retirement obligations as of January 1, 2019
$
13,895

Liabilities acquired
101

Liabilities incurred
1,075

Liabilities divested and settled
(1,112
)
Accretion expense
670

Asset retirement obligations as of September 30, 2019
$
14,629