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Leases (Tables)
12 Months Ended
Dec. 31, 2012
Leases [Abstract]  
Schedule of Future Minimum Rental Payments for Operating Leases
Future minimum payments as of December 31, 2012 under non-cancelable operating leases with initial terms exceeding one year are as follows (in thousands):
Year
 
2013
$
15,727

2014
13,980

2015
13,061

2016
11,694

2017
10,478

Thereafter
61,104

 
$
126,044