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Borrowings (Summary Of Outstanding Borrowings) (Details) - USD ($)
$ in Thousands
Jun. 30, 2015
Dec. 31, 2014
Short-term Debt [Line Items]    
Total short-term borrowings $ 350,600 $ 334,804
Subordinated notes 38,955  
Total borrowings 389,555 334,804
Repurchase Agreements [Member]    
Short-term Debt [Line Items]    
Total short-term borrowings   39,504
Federal Home Loan Bank Advances [Member]    
Short-term Debt [Line Items]    
Total short-term borrowings $ 350,600 $ 295,300