Investment Securities (Narrative) (Details) (USD $)	12 Months Ended
	Dec. 31, 2012 security	Dec. 31, 2011
Schedule of Investments [Line Items]
Securities In Unrealized Loss Position, Less Than 12 Months	35
Securities in unrealized loss positions qualitative disclosure severity	Management does not believe any individual unrealized loss as of December 31, 2012 represents an other-than-temporary impairment.
Book value of corporate bonds	$ 3,500,000
Unrealized losses on corporate bonds	115,000
Proceeds from Sale of Available-for-sale Securities	19,683,000	27,823,000
Available-for-sale Securities Pledged as Collateral	$ 90,000,000	$ 96,000,000
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	14
Corporate bonds [Member]
Schedule of Investments [Line Items]
Securities in unrealized loss positions qualitative disclosure number of positions	13
Securities in unrealized loss position more than 12 months qualitative disclosure number of positions	3
US Government agency obligations [Member]
Schedule of Investments [Line Items]
Securities in unrealized loss positions qualitative disclosure number of positions	5
Collateralized mortgage obligations GSE [Member]
Schedule of Investments [Line Items]
Securities in unrealized loss positions qualitative disclosure number of positions	3
Equity securities [Member]
Schedule of Investments [Line Items]
Securities in unrealized loss positions qualitative disclosure number of positions	6
Securities in unrealized loss position more than 12 months qualitative disclosure number of positions	6