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Derivatives and Hedging (Offsetting Of Derivative Assets And Liabilities) (Details) - Interest Rate Contracts [Member] - USD ($)
$ in Thousands
Mar. 31, 2017
Dec. 31, 2016
Offsetting Assets [Line Items]    
Gross amounts recognized, assets $ 872 $ 126
Gross amounts offset in balance sheet, assets 0 0
Derivative assets, after netting 872 126
Gross amount not offset in balance sheet, financial instruments, assets 0 0
Gross amount not offset in balance sheet, cash collateral received, assets 0 0
Net amount, assets $ 872 $ 126