Derivative Financial Instruments (Narrative) (Details) $ in Thousands		9 Months Ended
	Jan. 15, 2015 USD ($)	Sep. 30, 2015 USD ($) contract
Derivative [Line Items]
Number of forward-starting, pay-fixed/receive LIBOR interest rate swaps | contract		3
Forward Contracts [Member] | Effective July 18, 2016 [Member]
Derivative [Line Items]
Notional Amount		$ 40,000
Notional Amount		$ 40,000
Derivative, swaption interest rate		2.98%
Derivative, term of contract		3 years
Forward Contracts [Member] | Effective April 18, 2016 [Member]
Derivative [Line Items]
Notional Amount		$ 30,000
Notional Amount		$ 30,000
Derivative, swaption interest rate		2.89%
Derivative, term of contract		4 years 6 months
Forward Contracts [Member] | Effective October 18, 2016 [Member]
Derivative [Line Items]
Notional Amount		$ 40,000
Notional Amount		$ 40,000
Derivative, swaption interest rate		2.841%
Derivative, term of contract		3 years
Fair Value Hedging [Member] | Commercial Loan [Member] | Interest Rate Swap [Member]
Derivative [Line Items]
Notional Amount	$ 9,950	$ 9,950
Derivative, swaption interest rate	4.33%
Derivative, term of contract	10 years