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Investments (Summary Of Securities Held-To-Maturity And Securities Available-For-Sale) (Details) (USD $) In Thousands, unless otherwise specified	Mar. 31, 2013	Dec. 31, 2012
Schedule Of Available-For-Sale Securities And Held-To-Maturity Securities [Line Items]
Held-to-Maturity, Fair Value	$ 3,397	$ 3,417
Available-for-Sale, Amortized Costs	45,489	49,432
Available-for-Sale, Gross Unrealized Gains	525	1,032
Available-for-Sale, Gross Unrealized (Losses)	(312)	(170)
Available-for-sale, Fair Value	45,702	50,294
US Treasuries [Member]
Schedule Of Available-For-Sale Securities And Held-To-Maturity Securities [Line Items]
Available-for-Sale, Amortized Costs	1,959
Available-for-Sale, Gross Unrealized Gains	7
Available-for-sale, Fair Value	1,966
US Agency Obligations [Member]
Schedule Of Available-For-Sale Securities And Held-To-Maturity Securities [Line Items]
Available-for-Sale, Amortized Costs	21,965	22,980
Available-for-Sale, Gross Unrealized Gains	186	184
Available-for-Sale, Gross Unrealized (Losses)	(102)	(95)
Available-for-sale, Fair Value	22,049	23,069
Mortgage-Backed Securities [Member]
Schedule Of Available-For-Sale Securities And Held-To-Maturity Securities [Line Items]
Available-for-Sale, Amortized Costs	1,760	1,805
Available-for-Sale, Gross Unrealized Gains	9	7
Available-for-sale, Fair Value	1,769	1,812
Municipals [Member]
Schedule Of Available-For-Sale Securities And Held-To-Maturity Securities [Line Items]
Available-for-Sale, Amortized Costs	18,284	22,099
Available-for-Sale, Gross Unrealized Gains	323	780
Available-for-Sale, Gross Unrealized (Losses)	(180)	(75)
Available-for-sale, Fair Value	18,427	22,804
Other [Member]
Schedule Of Available-For-Sale Securities And Held-To-Maturity Securities [Line Items]
Available-for-Sale, Amortized Costs	1,521	2,548
Available-for-Sale, Gross Unrealized Gains		61
Available-for-Sale, Gross Unrealized (Losses)	(30)
Available-for-sale, Fair Value	1,491	2,609
US Agency Obligations [Member]
Schedule Of Available-For-Sale Securities And Held-To-Maturity Securities [Line Items]
Held-to-Maturity, Amortized Costs	3,069	3,075
Held-to-Maturity, Gross Unrealized Gains	328	342
Held-to-Maturity, Fair Value	$ 3,397	$ 3,417

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

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