Securities (Narrative) (Details) (USD $)	3 Months Ended		9 Months Ended		12 Months Ended
	Sep. 30, 2013	Sep. 30, 2012	Sep. 30, 2013	Sep. 30, 2012	Dec. 31, 2012
Schedule Of Available-For-Sale And Held-To-Maturity [Line Items]
Available for sale securities carrying value pledged to secure public deposits	$ 39,900,000		$ 39,900,000		$ 26,100,000
Gains on sales of securities available for sale	0	561,000	407,000	775,000
Gross losses on sales of securities avaiable for sale	0	0	8,000	20,000
Gain on available-for-sale securities called		8,000		8,000
Fair value of available-for-sale securities	71,167,000		71,167,000		46,562,000
Unrealized loss of available-for-sale securities			3,535,000		688,000
Fair value of held-to-maturity securities	5,856,000		5,856,000		5,472,000
U.S. Government Agencies [Member]
Schedule Of Available-For-Sale And Held-To-Maturity [Line Items]
Number of securities with unrealized losses			2
Fair value of available-for-sale securities	3,303,000		3,303,000
Unrealized loss of available-for-sale securities			28,000
State And Political Subdivisions [Member]
Schedule Of Available-For-Sale And Held-To-Maturity [Line Items]
Number of securities with unrealized losses			51		17
Number of securities with unrealized losses from state and political subdivisions maturity minimum number of years			10 years		10 years
Fair value of available-for-sale securities	25,659,000		25,659,000		9,788,000
Unrealized loss of available-for-sale securities			2,660,000		194,000
Fair value of held-to-maturity securities	5,856,000		5,856,000		5,472,000
Unrealized loss of held-to-maturity securites	69,000		69,000		9,000
Average loss percentage of book value			9.40%		1.90%
Equity Securities-Financial Services Industry And Other [Member]
Schedule Of Available-For-Sale And Held-To-Maturity [Line Items]
Number of securities with unrealized losses			1		2
Fair value of available-for-sale securities	126,000		126,000		215,000
Unrealized loss of available-for-sale securities			17,000		45,000
U.S. Government-Sponsored Enterprises [Member]
Schedule Of Available-For-Sale And Held-To-Maturity [Line Items]
Number of securities with unrealized losses			35		22
Fair value of available-for-sale securities	42,079,000		42,079,000		36,559,000
Unrealized loss of available-for-sale securities			830,000		449,000
More Sensitive To Changes In Market Interest Retes [Member] | State And Political Subdivisions [Member]
Schedule Of Available-For-Sale And Held-To-Maturity [Line Items]
Number of securities with unrealized losses			4		2
Number of securities with unrealized losses from state and political subdivisions maturity minimum number of years			10 years		10 years
Fair value of held-to-maturity securities	1,900,000		1,900,000		830,000
Unrealized loss of held-to-maturity securites	$ 69,000		$ 69,000		$ 9,000