Derivative Financial Instruments (Narrative) (Details) (USD $)	1 Months Ended	3 Months Ended	12 Months Ended
	Jul. 31, 2009 contract	Mar. 31, 2015	Dec. 31, 2014	Jun. 17, 2014	Jun. 15, 2012
Derivative [Line Items]
Interest rate swap notional amount		$ 5,000,000
Number of interest rate swap contracts	3
Interest rate swap fair value		(164,000)	(199,000)
Cash collateral		900,000
Gain on derivative		35,000
Deferred tax asset on gain on derivative		14,000
Cash flow hedge ineffectiveness			0
Interest Rate Swap [Member]
Derivative [Line Items]
Interest rate swap notional amount	20,000,000
Derivative Matured [Member]
Derivative [Line Items]
Interest rate swap notional amount				10,000,000	5,000,000
Derivative, maturity date		Jun. 15, 2012
Swap Contract- 7 year $5 Million [Member]
Derivative [Line Items]
Interest rate swap notional amount		$ 5,000,000
Derivative, maturity date		Jun. 17, 2016