Investment Securities (Narrative) (Details) (USD $)	9 Months Ended
	Sep. 30, 2012	Sep. 30, 2011	Dec. 31, 2011
Schedule of Investments [Line Items]
Unrealized losses on corporate bonds	$ 183,000
Available-for-sale Securities Pledged as Collateral	96,000,000		96,000,000
Proceeds from Sale of Available-for-sale Securities	$ 14,418,000	$ 15,762,000
Corporate bonds [Member]
Schedule of Investments [Line Items]
Securities in unrealized loss positions qualitative disclosure number of positions	8
Loss Positions More Than Twelve Months	4
US Government agency obligations [Member]
Schedule of Investments [Line Items]
Securities in unrealized loss positions qualitative disclosure number of positions	2
Collateralized mortgage obligations GSE [Member]
Schedule of Investments [Line Items]
Securities in unrealized loss positions qualitative disclosure number of positions	2
State and municipal tax-exempt [Member]
Schedule of Investments [Line Items]
Securities in unrealized loss positions qualitative disclosure number of positions	3
Certificates of Deposit [Member]
Schedule of Investments [Line Items]
Securities in unrealized loss positions qualitative disclosure number of positions	1
Equity securities [Member]
Schedule of Investments [Line Items]
Securities in unrealized loss positions qualitative disclosure number of positions	6
Loss Positions More Than Twelve Months	6