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Other Assets (Details) (USD $)
 12 Months Ended
Dec. 31, 2012
Dec. 31, 2011
Dec. 31, 2010
Other Assets [Abstract]      
Deferred financing costs, net $ 2,615,000 $ 3,772,000  
Other 7,546,000 7,145,000  
Total other assets, net 10,161,000 10,917,000  
Non qualified defined contribution pension plan 6,700,000 5,900,000  
Ownership percentage sold by the entity (in hundredths)   50.00%  
Proceeds from divestiture of interest in joint Venture   3,000,000  
Gain on the sale of joint ventures 0 2,475,000 0
Selected financial information from this joint venture      
Net sales   4,230,000 3,427,000
Costs and expenses   3,507,000 2,990,000
Net earnings   $ 723,000 $ 437,000