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Leases (Tables)
 12 Months Ended
Dec. 31, 2012
Leases [Abstract]  
Future Minimum Lease Payments under Operating Lease Obligations
Future minimum lease payments under operating lease obligations as of December 31, 2012 were as follows:

(in thousands)
 
 
2013
 
$
3,447
 
2014
 
 
3,497
 
2015
 
 
2,331
 
2016
 
 
1,377
 
2017
 
 
-
 
Total minimum lease payments
 
$
10,652