Investment Securities (Narrative) (Details) (USD $)	6 Months Ended
	Jun. 30, 2013	Jun. 30, 2012	Dec. 31, 2012
Schedule of Investments [Line Items]
Proceeds from Sale of Available-for-sale Securities	$ 22,549,000	$ 9,822,000
Available-for-sale Securities Pledged as Collateral	129,100,000		90,000,000
Mortgage Backed Securities [Member]
Schedule of Investments [Line Items]
Securities in unrealized loss positions qualitative disclosure number of positions	11
Certificates Of Deposit [Member]
Schedule of Investments [Line Items]
Securities in unrealized loss positions qualitative disclosure number of positions	3
State And Municipal Tax-Exempt [Member]
Schedule of Investments [Line Items]
Securities in unrealized loss positions qualitative disclosure number of positions	42
Securities In Unrealized Loss Position, Less Than 12 Months	14
Securities in unrealized loss position more than 12 months qualitative disclosure number of positions	2
Number of impaired securities	42
Corporate Bonds [Member]
Schedule of Investments [Line Items]
Securities in unrealized loss positions qualitative disclosure number of positions	11
Securities in unrealized loss position more than 12 months qualitative disclosure number of positions	3
Book value of corporate bonds	4,500,000
Unrealized losses on corporate bonds	$ 100,000
Ratio of Unrealized Loss to Book Value of Impaired Securities	2.20%
US Government Agency Obligations [Member]
Schedule of Investments [Line Items]
Securities in unrealized loss positions qualitative disclosure number of positions	17
Collateralized Mortgage Obligations GSE [Member]
Schedule of Investments [Line Items]
Securities in unrealized loss positions qualitative disclosure number of positions	14
Securities In Unrealized Loss Position, Less Than 12 Months	1
Equity Securities [Member]
Schedule of Investments [Line Items]
Securities in unrealized loss positions qualitative disclosure number of positions	5
Securities in unrealized loss position more than 12 months qualitative disclosure number of positions	5
Maximum [Member] | Corporate Bonds [Member]
Schedule of Investments [Line Items]
Ratio of Unrealized Loss to Book Value of Impaired Securities	10.00%