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Short-term Borrowings (Tables)
9 Months Ended
Sep. 30, 2013
Short-term Debt [Abstract]  
Schedule of short term debt

The weighted average daily amounts of borrowings outstanding under the Company’s credit lines and the weighted average interest rates on those amounts were as follows:

 

        (In Thousands)    
    Three Months Ended   Nine Months Ended
    September 30,   September 30,
    2013   2012   2013   2012
Average Daily Amounts Outstanding   $ 28,608     $ 26,867     $ 27,472     $ 25,122  
Weighted Average Interest Rates     1.32 %     1.52 %     1.35 %     1.41 %