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Fair Value Measurement (Tables)
6 Months Ended
Jun. 30, 2014
Fair Value Disclosures [Abstract]  
Fair Value, by Balance Sheet Grouping
Cash equivalents are included in the consolidated balance sheets as follows (in thousands):
 
 
Cost
Fair Value
December 31, 2013
 
$
14,001

$
14,001

 
 
 
 
June 30, 2014
 
$
11,604

$
11,604