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Fair Value Measurements (Tables)
3 Months Ended
Mar. 31, 2014
Fair Value Disclosures [Abstract]  
Assets and Liabilities Carried at Fair Value Measured on Recurring Basis

The following table provides the assets and liabilities carried at fair value measured on a recurring basis as of March 31, 2014 and December 31, 2013 (in thousands):

 

     Asset (Liability)     Level 1      Level 2     Level 3  

March 31, 2014

         

Interest rate swaps

     580        —          580        —    

Interest rate swaps

     (9,233     —          (9,233     —    

December 31, 2013

         

Interest rate swaps

     794        —          794        —    

Interest rate swaps

     (7,523     —          (7,523     —