Derivative Financial Instruments (Narrative) (Details) (USD $)	1 Months Ended	9 Months Ended	12 Months Ended			9 Months Ended			9 Months Ended
	Jul. 31, 2009 contract	Sep. 30, 2014	Dec. 31, 2014	Dec. 31, 2013	Jul. 31, 2009 Interest Rate Swap [Member]	Sep. 30, 2014 Derivative Matured [Member]	Jun. 17, 2014 Derivative Matured [Member]	Jun. 15, 2012 Derivative Matured [Member]	Sep. 30, 2014 Swap Contract- 7 year $5 Million [Member]
Derivative [Line Items]
Interest rate swap notional amount		$ 5,000,000			$ 20,000,000		$ 10,000,000	$ 5,000,000	$ 5,000,000
Number of interest rate swap contracts	3
Derivative, maturity date						Jun. 15, 2012			Jun. 17, 2016
Interest rate swap fair value		(228,000)		(457,000)
Cash collateral		900,000
Gain on derivative		229,000
Deferred tax asset on gain on derivative		$ 92,000
Cash flow hedge ineffectiveness			0