Investment Securities (Narrative) (Details) $ in Millions	6 Months Ended
	Jun. 30, 2016 USD ($) security	Dec. 31, 2015 USD ($)
Securities [Line Items]
Available-for-sale Securities Pledged as Collateral | $	$ 133.9	$ 147.9
State and Municipal Tax-Exempt [Member]
Securities [Line Items]
Securities in unrealized loss positions qualitative disclosure number of positions	7
Number Of Impaired Municipal Securities, School Districts, Uninsured	2
Number Of Impaired Municipal Securities, Townships, Uninsured	3
Number Of Impaired Municipal Securities, Townships, Insured	2
Unrealized loss of security from book value	0.07%
Government Sponsored Entities (GSE) Mortgage-Backed Securities [Member]
Securities [Line Items]
Securities in unrealized loss positions qualitative disclosure number of positions	1
Unrealized loss of security from book value	0.04%
Corporate Bonds [Member]
Securities [Line Items]
Securities in unrealized loss positions qualitative disclosure number of positions	4
Number of securities, impaired for more than 12 months	2
Unrealized loss of security from book value	2.61%
Collateralized Mortgage Obligations GSE [Member]
Securities [Line Items]
Securities in unrealized loss positions qualitative disclosure number of positions	9
Number of securities, impaired for more than 12 months	8
Unrealized loss of security from book value	1.46%