Securities (Summary Of Securities, Available-For-Sale) (Details) (USD $) In Thousands, unless otherwise specified	Mar. 31, 2013	Dec. 31, 2012
Schedule of Available-for-sale Securities [Line Items]
Total debt securities, Amortized Cost	$ 213,729	$ 225,375
Total debt securities, Gross Unrealized Gains	8,083	8,770
Total debt securities, Gross Unrealized Losses	(35)	(83)
Total debt securities, Fair Value	221,777	234,062
U.S. Treasury Notes [Member]
Schedule of Available-for-sale Securities [Line Items]
Total debt securities, Amortized Cost	3,501	5,001
Total debt securities, Gross Unrealized Gains	22	31
Total debt securities, Gross Unrealized Losses	0	0
Total debt securities, Fair Value	3,523	5,032
U.S. Agency [Member]
Schedule of Available-for-sale Securities [Line Items]
Total debt securities, Amortized Cost	34,953	37,000
Total debt securities, Gross Unrealized Gains	1,037	1,083
Total debt securities, Gross Unrealized Losses	(17)	(25)
Total debt securities, Fair Value	35,973	38,058
U.S. Agency Mortgage-Backed, Residential [Member]
Schedule of Available-for-sale Securities [Line Items]
Total debt securities, Amortized Cost	76,959	84,630
Total debt securities, Gross Unrealized Gains	3,116	3,603
Total debt securities, Gross Unrealized Losses	(3)	0
Total debt securities, Fair Value	80,072	88,233
State And Municipal [Member]
Schedule of Available-for-sale Securities [Line Items]
Total debt securities, Amortized Cost	98,316	98,744
Total debt securities, Gross Unrealized Gains	3,908	4,053
Total debt securities, Gross Unrealized Losses	(15)	(58)
Total debt securities, Fair Value	$ 102,209	$ 102,739