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Leases (Tables)
12 Months Ended
Dec. 31, 2013
Leases [Abstract]  
Future Minimum Operating Lease Payments, Maturity Schedule
Future minimum operating lease payments at December 31, 2013 were as follows (in thousands): 
2014
 
$
10,866

2015
 
9,943

2016
 
7,478

2017
 
5,479

2018
 
4,998

After 2018
 
19,790

Total operating lease payments
 
$
58,554