Investment Securities (Schedule Of Amortized Cost And Fair Value By Contractual Maturity Of Available-For-Sale Securities) (Details) (USD $) In Thousands, unless otherwise specified	Dec. 31, 2012	Dec. 31, 2011
Schedule of Available-for-sale Securities [Line Items]
Total securities available for sale, Amortized Cost	$ 201,593	$ 221,604
U.S Treasury And Government Sponsored Entities [Member]
Schedule of Available-for-sale Securities [Line Items]
Within 1 year, Amortized Cost	33,386
1-5 years, Amortized Cost	90,573
Total securities available for sale, Amortized Cost	123,959	160,529
Within 1 year, Fair Value	33,545
1-5 years, Fair Value	90,869
Total securities available for sale, Fair Value	124,414
Within 1 year, Weighted Average Yield	0.67%
1-5 years, Weighted Average Yield	0.62%
Weighted Average Yield, Total	0.63%
U.S Agency Mortgage-Backed Securities [Member]
Schedule of Available-for-sale Securities [Line Items]
5-10 years, Amortized Cost	35
Total securities available for sale, Amortized Cost	35	52
5-10 years, Fair Value	36
Total securities available for sale, Fair Value	36
5-10 years, Weighted Average Yield	4.45%
Weighted Average Yield, Total	4.45%
Corporate Bonds [Member]
Schedule of Available-for-sale Securities [Line Items]
Within 1 year, Amortized Cost	2,000
1-5 years, Amortized Cost	50,951
Total securities available for sale, Amortized Cost	52,951	43,767
Within 1 year, Fair Value	2,003
1-5 years, Fair Value	51,979
Total securities available for sale, Fair Value	53,982
Within 1 year, Weighted Average Yield	0.85%
1-5 years, Weighted Average Yield	2.29%
Weighted Average Yield, Total	2.24%
Preferred Stock [Member]
Schedule of Available-for-sale Securities [Line Items]
Over 10 years, Amortized Cost	3,524
Total securities available for sale, Amortized Cost	3,524	996
Over 10 years, Fair Value	3,758
Total securities available for sale, Fair Value	$ 3,758
Over 10 years, Weighted Average Yield	5.57%
Weighted Average Yield, Total	5.57%