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Commitments and Contingencies (Details) (USD $)
In Thousands, unless otherwise specified
12 Months Ended
Dec. 31, 2013
Dec. 31, 2012
Dec. 31, 2011
Commitments and Contingencies [Abstract]      
Total rental expenses $ 1,194 $ 1,111 $ 1,180
Future minimum payments under non-cancelable operating leases [Abstract]      
2014 1,006    
2015 858    
2016 451    
2017 281    
2018 216    
Thereafter 765    
Future minimum payments, Total 3,577    
Maturities of Time Deposits [Abstract]      
2014 72,595    
2015 10,417    
2016 2,498    
2017 3,887    
2018 189    
Thereafter 0    
Time Deposits, Total $ 89,586