Borrowings (Narrative - Junior Subordinated Debentures) (Details) (USD $)	12 Months Ended	51 Months Ended	61 Months Ended	49 Months Ended	63 Months Ended
	Dec. 31, 2014	Dec. 31, 2014	Sep. 15, 2010	Dec. 31, 2014	Nov. 23, 2010	Dec. 31, 2013	Aug. 29, 2005
Financial Instruments Subject to Mandatory Redemption by Settlement Terms [Line Items]
Junior subordinated debentures	22,681,000	22,681,000		22,681,000		$ 22,681,000
Trust Preferred Securities [Member] | Trust I Capital Securities [Member] | Private Placement [Member]
Financial Instruments Subject to Mandatory Redemption by Settlement Terms [Line Items]
Amount of capital securities issued							8,300,000
Minimum redemption period	5 years
Redemption rate			5.97%
Description of variable rate basis		three-month LIBOR
Basis spread on variable rate		1.45%
Trust Preferred Securities [Member] | Trust I Debentures [Member]
Financial Instruments Subject to Mandatory Redemption by Settlement Terms [Line Items]
Junior subordinated debentures							8,300,000
Redemption rate			5.97%
Description of variable rate basis		three-month LIBOR
Basis spread on variable rate		1.45%
Trust Preferred Securities [Member] | Trust II Capital Securities [Member] | Private Placement [Member]
Financial Instruments Subject to Mandatory Redemption by Settlement Terms [Line Items]
Amount of capital securities issued							14,400,000
Minimum redemption period	5 years
Redemption rate					5.96%
Description of variable rate basis				three-month LIBOR
Basis spread on variable rate				1.45%
Trust Preferred Securities [Member] | Trust II Debentures [Member]
Financial Instruments Subject to Mandatory Redemption by Settlement Terms [Line Items]
Junior subordinated debentures							$ 14,400,000
Redemption rate					5.96%
Description of variable rate basis				three-month LIBOR
Basis spread on variable rate				1.45%