Parent Company Only (Schedule Of Condensed Income Statement) (Details) - USD ($) $ in Thousands	3 Months Ended												12 Months Ended
	Dec. 31, 2015	Sep. 30, 2015	Jun. 30, 2015	Mar. 31, 2015	Dec. 31, 2014	Sep. 30, 2014	Jun. 30, 2014	Mar. 31, 2014	Dec. 31, 2013	Sep. 30, 2013	Jun. 30, 2013	Mar. 31, 2013	Dec. 31, 2015	Dec. 31, 2014	Dec. 31, 2013
Condensed Financial Statements, Captions [Line Items]
Other income	$ 1,873	$ 2,015	$ 1,817	$ 1,748	$ 1,749	$ 1,748	$ 1,727	$ 1,531	$ 1,612	$ 1,770	$ 2,042	$ 1,949	$ 7,453	$ 6,755	$ 7,373
Total other income													7,533	7,354	10,541
Income before taxes	2,455	2,616	1,730	2,120	2,193	2,193	2,184	1,948	3,841	2,020	2,025	1,871	8,921	8,518	9,757
Credit for income taxes	(634)	(687)	50	(547)	(555)	(562)	(557)	(492)	(1,131)	(515)	(512)	(477)	(1,818)	(2,166)	(2,635)
Net income	$ 1,821	$ 1,929	$ 1,780	$ 1,573	$ 1,638	$ 1,631	$ 1,627	$ 1,456	$ 2,710	$ 1,505	$ 1,513	$ 1,394	7,103	6,352	7,122
Parent Company [Member]
Condensed Financial Statements, Captions [Line Items]
Equity in undistributed earnings of subsidiary													4,659	4,458	6,173
Dividends from subsidiary													2,844	2,242	1,190
Other income													20	22	20
Total other income													7,523	6,722	7,383
Operating expenses													610	539	388
Income before taxes													6,913	6,183	6,995
Credit for income taxes													190	169	127
Net income													$ 7,103	$ 6,352	$ 7,122