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ASSET RETIREMENT OBLIGATION (Tables)
 6 Months Ended
Jun. 30, 2015
ASSET RETIREMENT OBLIGATION  
Schedule of reconciliation of the Company's asset retirement obligations

 

 

 

June 30, 2015

 

 

 

(in thousands)

 

Balance at beginning of period

 

$
29,771

 

Liabilities incurred in current period

 
9

 

Liabilities settled in current period

 
(431

)

Accretion expense

 
1,402

 

 

 

 

 

Balance at end of period

 

$
30,751