Parent Company Only (Schedule Of Condensed Income Statement) (Tables) (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended												12 Months Ended
	Dec. 31, 2012	Sep. 30, 2012	Jun. 30, 2012	Mar. 31, 2012	Dec. 31, 2011	Sep. 30, 2011	Jun. 30, 2011	Mar. 31, 2011	Dec. 31, 2010	Sep. 30, 2010	Jun. 30, 2010	Mar. 31, 2010	Dec. 31, 2012	Dec. 31, 2011	Dec. 31, 2010
Condensed Financial Statements, Captions [Line Items]
Other income	$ 1,754	$ 1,865	$ 1,896	$ 1,802	$ 1,616	$ 1,464	$ 1,383	$ 1,412	$ 1,402	$ 1,479	$ 1,316	$ 1,225	$ 7,317	$ 5,875	$ 5,422
Total income (loss)													7,509	5,692	(6,412)
Income (loss) before taxes	1,777	1,885	1,747	1,652	1,587	1,776	1,720	1,607	(7,559)	310	863	625	6,461	6,690	(5,761)
(Provision) credit for income taxes	(248)	(486)	(430)	(395)	(385)	(449)	(431)	(380)	2,725	45	(144)	(69)	(1,559)	(1,645)	2,557
Net income (loss)	929	1,399	1,317	1,257	1,202	1,327	1,289	1,227	(4,834)	355	719	556	4,902	5,045	(3,204)
Parent Company [Member]
Condensed Financial Statements, Captions [Line Items]
Equity in undistributed earnings (loss) of subsidiary													3,996	4,184	(4,246)
Dividends from subsidiary													1,131	1,043	1,206
Gain on sale of investment securities														27
Other income													20	19	17
Total income (loss)													5,147	5,273	(3,023)
Operating expenses													347	317	268
Income (loss) before taxes													4,800	4,956	(3,291)
(Provision) credit for income taxes													102	89	87
Net income (loss)													$ 4,902	$ 5,045	$ (3,204)