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Accrued Liabilities
3 Months Ended
Mar. 31, 2013
Accounts Payable and Accrued Liabilities, Current [Abstract]  
Accrued Liabilities
ACCRUED LIABILITIES
Accrued liabilities consisted of the following:
 
March 31, 2013
 
December 31, 2012
 
(In thousands)
Interest payable
17,338

 
6,568

Employee costs
14,599

 
24,632

Lease operating expenses
10,316

 
10,903

Taxes
5,433

 
7,308

Hedge settlements

 
160

Other
5,638

 
4,527

Total accrued liabilities
$
53,324

 
$
54,098