Borrowings (Summary Of Outstanding Borrowings) (Details) - USD ($) $ in Thousands	Dec. 31, 2015	Dec. 31, 2014
Short-term Debt [Line Items]
Total short-term borrowings	$ 293,100	$ 334,804
Subordinated notes, net	38,990
Total borrowings	332,090	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	$ 293,100	$ 295,300