Securities (Narrative) (Details) (USD $)	12 Months Ended
	Dec. 31, 2012	Dec. 31, 2011
Schedule Of Available-For-Sale And Held-To-Maturity [Line Items]
Available for sale securities carrying value pledged to secure public deposits	$ 26,100,000	$ 21,500,000
Gains on sales of securities available for sale	1,800,000	685,000
Gross losses on sales of securities avaiable for sale	20,000	40,000
Gain on available-for-sale securities called	8,000
Fair value of available-for-sale securities	46,562,000	36,358,000
Unrealized loss of available-for-sale securities	688,000	529,000
State And Political Subdivisions [Member]
Schedule Of Available-For-Sale And Held-To-Maturity [Line Items]
Number of securities with unrealized losses from state and political subdivisions investment	17	2
Average loss percentage of book value	1.90%	7.20%
Number of securities with unrealized losses from state and political subdivisions maturity minimum number of years	10 years
Fair value of available-for-sale securities	9,788,000	239,000
Unrealized loss of available-for-sale securities	194,000	19,000
Fair value of securities with an unrealized loss position	830,000
Unrealized loss	9,000
U.S. Government-Sponsored Enterprises [Member]
Schedule Of Available-For-Sale And Held-To-Maturity [Line Items]
Number mortgaged-backed securities with unrealized losses	22	17
Fair value of available-for-sale securities	36,559,000	34,576,000
Unrealized loss of available-for-sale securities	449,000	472,000
Mutual Fund [Member]
Schedule Of Available-For-Sale And Held-To-Maturity [Line Items]
Fair value of available-for-sale securities		849,000
Unrealized loss of available-for-sale securities		1,000
Equity Securities-Financial Services Industry And Other [Member]
Schedule Of Available-For-Sale And Held-To-Maturity [Line Items]
Number equity securities with unrealized losses	2	3
Fair value of available-for-sale securities	215,000	1,025,000
Unrealized loss of available-for-sale securities	45,000	34,000
Other-than-temporary impairment charge recognized		231,000
Other-than-temporary impairment charge recognized		183,000
Other-than-temporary impairment charge per share amount		$ 0.06
Common Stock Of Bank Holding Companies [Member]
Schedule Of Available-For-Sale And Held-To-Maturity [Line Items]
Other-than-temporary impairment charge recognized		144,000
Remaining amortized cost		250,000
Common Stock [Member]
Schedule Of Available-For-Sale And Held-To-Maturity [Line Items]
Other-than-temporary impairment charge recognized		87,000
Remaining amortized cost		$ 230,000