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.