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Derivatives (Gains/(Losses) on Derivatives Associated with Trust Preferred Loans) (Details) - Loan Portfolio Hedging - USD ($) $ in Thousands | 3 Months Ended | 6 Months Ended
--- | --- | ---
Jun. 30, 2017 | Jun. 30, 2016 | Jun. 30, 2017 | Jun. 30, 2016
Hedging Instruments | Interest Rate Swap |  |  |  |  |
Derivative Instruments, Gain (Loss) [Line Items] |  |  |  |  |
Gains/(Losses) Related to Interest Rate Derivatives |  | $ 68 | $ 66 | $ 142 | $ 109
Hedged Items | Trust Preferred Loans |  |  |  |  |
Derivative Instruments, Gain (Loss) [Line Items] |  |  |  |  |
Gains/(Losses) Related to Changes in Fair Value Attributable to Interest Rate Risk | [1] | $ (67) | $ (65) | $ (141) | $ 106
[1] | Represents gains and losses attributable to changes in fair value due to interest rate risk as designated in ASC 815-20 hedging relationships.

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