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Operating Leases (Details) (USD $)
 12 Months Ended
Dec. 31, 2013
Dec. 31, 2012
Dec. 31, 2011
Payments [Abstract]      
2014 $ 1,867,000    
2015 1,452,000    
2016 1,242,000    
2017 836,000    
2018 486,000    
Thereafter 2,816,000    
Total 8,699,000    
Receipts [Abstract]      
2014 601,000    
2015 401,000    
2016 332,000    
2017 204,000    
2018 72,000    
Thereafter 0    
Total 1,610,000    
Rental expense net of rental income under operating leases $ 1,200,000 $ 800,000 $ 900,000