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Fair Value Measurement (Tables)
 6 Months Ended
Jun. 30, 2013
Fair Value Disclosures [Abstract]  
Assets and liabilities that are measured at fair value on a recurring basis
The following tables set forth our assets and liabilities that are measured at fair value on a recurring basis at June 30, 2013 and December 31, 2012:
 
 
As of June 30, 2013
(in thousands)
 
Total
 
Level 1
 
Level 2
 
Level 3
 
 
 
 
 
 
 
 
 
Assets/(Liabilities):
 
 
 
 
 
 
 
 
  Cash equivalents
 
$
52,000

 
$
52,000

 
$
—

 
$
—

  Interest rate swap
 
(541
)
 
—

 
(541
)
 
—


 
 
As of December 31, 2012
(in thousands)
 
Total
 
Level 1
 
Level 2
 
Level 3
 
 
 
 
 
 
 
 
 
Assets/(Liabilities):
 
 
 
 
 
 
 
 
  Cash equivalents
 
$
—


$
—

 
$
—

 
$
—

  Interest rate swap
 
(1,619
)
 
—

 
(1,619
)
 
—