Investment Securities (Narrative) (Details) (USD $) In Millions, unless otherwise specified	9 Months Ended
	Sep. 30, 2014	Dec. 31, 2013
Securities [Line Items]
Available-for-sale Securities Pledged as Collateral	$ 143.9	$ 116.2
Percent of principal outstanding collected of held-to-maturity securities	85.00%
Mortgage Backed Securities [Member]
Securities [Line Items]
Securities in unrealized loss positions qualitative disclosure number of positions	28
Number of securities, impaired for more than 12 months	4
State And Municipal Tax-Exempt [Member]
Securities [Line Items]
Securities in unrealized loss positions qualitative disclosure number of positions	30
Number of securities, impaired for more than 12 months	26
Number Of Impaired Municipal Securities, School Districts, Insured	18
Number Of Impaired Municipal Securities, School Districts, Uninsured	9
Number Of Impaired Municipal Securities, Townships, Uninsured	3
Corporate Bonds [Member]
Securities [Line Items]
Securities in unrealized loss positions qualitative disclosure number of positions	7
Number of securities, impaired for more than 12 months	2
US Government Agency Obligations [Member]
Securities [Line Items]
Securities in unrealized loss positions qualitative disclosure number of positions	10
Number of securities, impaired for more than 12 months	8
Collateralized Mortgage Obligations GSE [Member]
Securities [Line Items]
Securities in unrealized loss positions qualitative disclosure number of positions	17
Number of securities, impaired for more than 12 months	11
Equity Securities [Member]
Securities [Line Items]
Securities in unrealized loss positions qualitative disclosure number of positions	5
Number of securities, impaired for more than 12 months	5