Securities (Schedule Of Gross Unrealized Losses And Fair Value, Aggregated By Investment Category And Length Of Time) (Details) (USD $) In Thousands, unless otherwise specified	Mar. 31, 2013	Dec. 31, 2012
Schedule of Available-for-sale Securities [Line Items]
Total temporarily impaired debt securities, Less than 12 months, Fair Value	$ 16,497	$ 19,816
Total temporarily impaired debt securities, Less than 12 months, Unrealized Losses	(35)	(83)
Total temporarily impaired debt securities, 12 months or more, Fair Value	0	0
Total temporarily impaired debt securities, 12 months or more, Unrealized Losses	0	0
Total temporarily impaired debt securities, Total, Fair Value	16,497	19,816
Total temporarily impaired debt securities, Total, Unrealized Losses	(35)	(83)
U.S. Agency [Member]
Schedule of Available-for-sale Securities [Line Items]
Total temporarily impaired debt securities, Less than 12 months, Fair Value	8,243	8,251
Total temporarily impaired debt securities, Less than 12 months, Unrealized Losses	(17)	(25)
Total temporarily impaired debt securities, 12 months or more, Fair Value	0	0
Total temporarily impaired debt securities, 12 months or more, Unrealized Losses	0	0
Total temporarily impaired debt securities, Total, Fair Value	8,243	8,251
Total temporarily impaired debt securities, Total, Unrealized Losses	(17)	(25)
U.S. Agency Mortgage-Backed, Residential [Member]
Schedule of Available-for-sale Securities [Line Items]
Total temporarily impaired debt securities, Less than 12 months, Fair Value	1,617
Total temporarily impaired debt securities, Less than 12 months, Unrealized Losses	(3)
Total temporarily impaired debt securities, 12 months or more, Fair Value	0
Total temporarily impaired debt securities, 12 months or more, Unrealized Losses	0
Total temporarily impaired debt securities, Total, Fair Value	1,617
Total temporarily impaired debt securities, Total, Unrealized Losses	(3)
State And Municipal [Member]
Schedule of Available-for-sale Securities [Line Items]
Total temporarily impaired debt securities, Less than 12 months, Fair Value	6,637	11,565
Total temporarily impaired debt securities, Less than 12 months, Unrealized Losses	(15)	(58)
Total temporarily impaired debt securities, 12 months or more, Fair Value	0	0
Total temporarily impaired debt securities, 12 months or more, Unrealized Losses	0	0
Total temporarily impaired debt securities, Total, Fair Value	6,637	11,565
Total temporarily impaired debt securities, Total, Unrealized Losses	$ (15)	$ (58)