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Asset Retirement Obligations
 3 Months Ended
Mar. 31, 2016
Asset Retirement Obligation Disclosure [Abstract]  
Asset Retirement Obligations
Asset Retirement Obligations
The following table reflects the changes in the Company’s ARO during the three months ended March 31, 2016:
 
(In thousands)
Balance at December 31, 2015
$
35,812

Liabilities incurred during period
64

Liabilities settled during period
(5
)
Accretion expense during period(1)
465

Revisions to estimates
571

Liabilities held for sale(2)
73

Balance at March 31, 2016
$
36,980

___________________
(1)
Included in depreciation, depletion and amortization on the Company’s Condensed Consolidated Statement of Operations.
(2)
Represents the change in ARO related to the properties held for sale during the three months ended March 31, 2016. The total ARO related to the properties held for sale as of March 31, 2016 was $10.2 million (see Note 7 – Assets Held for Sale).
At March 31, 2016, the current portion of the total ARO balance was approximately $0.9 million and is included in accrued liabilities on the Company’s Condensed Consolidated Balance Sheet.