Borrowed (Contractual Maturities Of All Long Term Borrowings) (Details) (USD $)
In Thousands, unless otherwise specified
Jun. 30, 2012
Dec. 31, 2011
Debt Instrument [Line Items]    
Due in 2012 $ 23,750 $ 44,250
Due in 2013 0 0
Due in 2014 0 0
Due in 2015 35,000 35,000
Due in 2016 0 0
Due in 2017 0 0
Thereafter 147,765 127,794
Total long-term debt 206,515 207,044
Fixed Rate [Member]
   
Debt Instrument [Line Items]    
Due in 2012 23,750  
Due in 2013 0  
Due in 2014 0  
Due in 2015 30,000  
Due in 2016 0  
Due in 2017 0  
Thereafter 116,836  
Total long-term debt 170,586  
Floating Rate [Member]
   
Debt Instrument [Line Items]    
Due in 2012 0  
Due in 2013 0  
Due in 2014 0  
Due in 2015 5,000  
Due in 2016 0  
Due in 2017 0  
Thereafter 30,929  
Total long-term debt $ 35,929