Investment Securities (Schedule Of Fair Value And Gross Unrealized Losses On Investment Securities In A Continuous Unrealized Loss Position) (Details) (USD $) In Thousands, unless otherwise specified	Sep. 30, 2012 item	Dec. 31, 2011 item
Schedule of Available-for-sale Securities [Line Items]
Fair Value, Less than 12 Months	$ 3,934	$ 10,219
Fair Value, 12 Months or More
Fair Value, Total	3,934	10,219
Unrealized Losses, Less than 12 Months	27	28
Unrealized Losses, 12 Months or More
Unrealized Losses, Total	27	28
Number of available-for-sale investments in loss position	5	11
U.S. Government Agencies [Member]
Schedule of Available-for-sale Securities [Line Items]
Fair Value, Less than 12 Months	2,911	5,592
Fair Value, 12 Months or More
Fair Value, Total	2,911	5,592
Unrealized Losses, Less than 12 Months	21	10
Unrealized Losses, 12 Months or More
Unrealized Losses, Total	21	10
Taxable Municipals [Member]
Schedule of Available-for-sale Securities [Line Items]
Fair Value, Less than 12 Months	280	572
Fair Value, 12 Months or More
Fair Value, Total	280	572
Unrealized Losses, Less than 12 Months	5	2
Unrealized Losses, 12 Months or More
Unrealized Losses, Total	5	2
Mortgage Backed Securities [Member]
Schedule of Available-for-sale Securities [Line Items]
Fair Value, Less than 12 Months	743	4,055
Fair Value, 12 Months or More
Fair Value, Total	743	4,055
Unrealized Losses, Less than 12 Months	1	16
Unrealized Losses, 12 Months or More
Unrealized Losses, Total	$ 1	$ 16