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Long-Term Loans, Net Of Current Maturities (Summary Of Maturities Of Long-Term Loans) (Details) (USD $)
In Thousands, unless otherwise specified
Dec. 31, 2012
Dec. 31, 2011
Long-Term Loans, Net Of Current Maturities [Abstract]    
2013 - current maturities $ 31,781  
2014 75,137  
2015 16,895  
2016 81,712  
Long-term Debt, total $ 205,525 $ 400,270