Derivative Financial Instruments (Narrative) (Details) $ in Thousands	1 Months Ended	6 Months Ended
	Jul. 31, 2009 USD ($) contract	Jun. 30, 2015 USD ($)	Dec. 31, 2014 USD ($)	Jun. 17, 2014 USD ($)	Jun. 15, 2012 USD ($)
Derivative [Line Items]
Interest rate swap notional amount		$ 5,000
Number of interest rate swap contracts | contract	3
Interest rate swap fair value		(140)	$ (199)
Cash collateral		900
Gain on derivative		59
Deferred tax asset on gain on derivative		$ 24
Cash flow hedge ineffectiveness		0
Interest Rate Swap [Member]
Derivative [Line Items]
Interest rate swap notional amount	$ 20,000
Derivative Matured [Member]
Derivative [Line Items]
Interest rate swap notional amount				$ 10,000	$ 5,000
Derivative, maturity date		Jun. 15, 2012
Swap Contract- 7 year $5 Million [Member]
Derivative [Line Items]
Interest rate swap notional amount		$ 5,000
Derivative, maturity date		Jun. 17, 2016