Investment Securities (Summary Of Available-For-Sale And Held-To-Maturity Securities) (Details) (USD $) In Thousands, unless otherwise specified	Jun. 30, 2012	Dec. 31, 2011	Jun. 30, 2011
Schedule of Available-for-sale Securities [Line Items]
Available-for-sale Securities, Amortized Cost	$ 187,574	$ 221,604	$ 180,890
Available-for-sale Securities, Gross Unrealized Gains	1,863	1,648	2,040
Available-for-sale Securities, Gross Unrealized Losses	190	1,169	52
Available-for-sale Securities, Fair Value	189,247	222,083	182,878
Held-to-maturity Securities, Amortized Cost	3,601	3,819	5,142
Held-to-maturity, Gross Unrecognized Gains	242	258	196
Held-to-maturity Securities, Fair Value	3,843	4,077	5,338
U.S Treasury And Government Sponsored Entities [Member]
Schedule of Available-for-sale Securities [Line Items]
Available-for-sale Securities, Amortized Cost	119,002	160,529	137,256
Available-for-sale Securities, Gross Unrealized Gains	504	625	874
Available-for-sale Securities, Gross Unrealized Losses	3	50	4
Available-for-sale Securities, Fair Value	119,503	161,104	138,126
Municipal Securities [Member]
Schedule of Available-for-sale Securities [Line Items]
Available-for-sale Securities, Amortized Cost	18,970	16,260	14,023
Available-for-sale Securities, Gross Unrealized Gains	699	675	379
Available-for-sale Securities, Gross Unrealized Losses	1
Available-for-sale Securities, Fair Value	19,668	16,935	14,402
Held-to-maturity Securities, Amortized Cost	3,601	3,819	5,142
Held-to-maturity, Gross Unrecognized Gains	242	258	196
Held-to-maturity Securities, Fair Value	3,843	4,077	5,338
U.S Agency Mortgage-Backed Securities [Member]
Schedule of Available-for-sale Securities [Line Items]
Available-for-sale Securities, Amortized Cost	47	52	58
Available-for-sale Securities, Gross Unrealized Gains	3	2	2
Available-for-sale Securities, Fair Value	50	54	60
Corporate Bonds [Member]
Schedule of Available-for-sale Securities [Line Items]
Available-for-sale Securities, Amortized Cost	46,518	43,767	29,553
Available-for-sale Securities, Gross Unrealized Gains	515	343	785
Available-for-sale Securities, Gross Unrealized Losses	186	1,119	48
Available-for-sale Securities, Fair Value	46,847	42,991	30,290
Preferred Stock [Member]
Schedule of Available-for-sale Securities [Line Items]
Available-for-sale Securities, Amortized Cost	3,037	996
Available-for-sale Securities, Gross Unrealized Gains	142	3
Available-for-sale Securities, Fair Value	$ 3,179	$ 999

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

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Reference 9: 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

- Definition

This item represents the aggregate fair value of investments in debt securities as of the balance sheet date and which are categorized as held-to-maturity.

+ References+ Details