Investment Securities (Summary Of Available-For-Sale Securities) (Details) (USD $) In Thousands, unless otherwise specified	Mar. 31, 2013	Dec. 31, 2012
Schedule of Available-for-sale Securities [Line Items]
Available-for-sale Securities, Amortized Cost	$ 219,204	$ 201,593
Available-for-sale Securities, Gross Unrealized Gains	2,275	2,384
Available-for-sale Securities, Gross Unrealized Losses	19	59
Available-for-sale Securities, Fair Value	221,460	203,918
U.S Treasury And Government Sponsored Entities [Member]
Schedule of Available-for-sale Securities [Line Items]
Available-for-sale Securities, Amortized Cost	139,155	123,959
Available-for-sale Securities, Gross Unrealized Gains	410	455
Available-for-sale Securities, Fair Value	139,565	124,414
Municipal Securities [Member]
Schedule of Available-for-sale Securities [Line Items]
Available-for-sale Securities, Amortized Cost	21,626	21,124
Available-for-sale Securities, Gross Unrealized Gains	541	613
Available-for-sale Securities, Gross Unrealized Losses	16	9
Available-for-sale Securities, Fair Value	22,151	21,728
U.S Agency Mortgage-Backed Securities [Member]
Schedule of Available-for-sale Securities [Line Items]
Available-for-sale Securities, Amortized Cost	33	35
Available-for-sale Securities, Gross Unrealized Gains	1	1
Available-for-sale Securities, Fair Value	34	36
Corporate Bonds [Member]
Schedule of Available-for-sale Securities [Line Items]
Available-for-sale Securities, Amortized Cost	55,889	52,951
Available-for-sale Securities, Gross Unrealized Gains	1,195	1,081
Available-for-sale Securities, Gross Unrealized Losses	3	50
Available-for-sale Securities, Fair Value	57,081	53,982
Preferred Stock [Member]
Schedule of Available-for-sale Securities [Line Items]
Available-for-sale Securities, Amortized Cost	2,501	3,524
Available-for-sale Securities, Gross Unrealized Gains	128	234
Available-for-sale Securities, Fair Value	$ 2,629	$ 3,758

Amount of investment in debt and equity securities categorized neither as held-to-maturity nor trading.

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Reference 2: http://www.xbrl.org/2003/role/presentationRef

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Reference 9: http://www.xbrl.org/2003/role/presentationRef

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Reference 10: http://www.xbrl.org/2003/role/presentationRef

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+ Details

- Definition

This item represents the cost of debt and equity securities, which are categorized neither as held-to-maturity nor trading, net of adjustments including accretion, amortization, collection of cash, previous other-than-temporary impairments recognized in earnings (less any cumulative-effect adjustments recognized, as defined), and fair value hedge accounting adjustments, if any.

+ References+ Details

- Definition

This item represents the gross unrealized gains for securities, at a point in time, which are categorized neither as held-to-maturity nor trading securities.

+ References+ Details