Securities Available For Sale (Summary Of Securities Available For Sale) (Details) (USD $) In Thousands, unless otherwise specified	Jun. 30, 2012	Dec. 31, 2011
Schedule of Available for sale Securities [Line Items]
Available for Sale, Amortized Cost	$ 391,797	$ 371,211
Available for Sale, Gross Unrealized Gains	15,313	14,769
Available for Sale, Gross Unrealized Losses	2,266	4,100
Available for Sale, Estimated Fair Value	404,844	381,880
Obligations Of US Government-Sponsored Enterprises [Member]
Schedule of Available for sale Securities [Line Items]
Available for Sale, Amortized Cost	1,000	1,000
Available for Sale, Gross Unrealized Gains	12	23
Available for Sale, Estimated Fair Value	1,012	1,023
US Government-Sponsored Enterprises [Member]
Schedule of Available for sale Securities [Line Items]
Available for Sale, Amortized Cost	224,893	225,962
Available for Sale, Gross Unrealized Gains	8,818	9,414
Available for Sale, Gross Unrealized Losses	133	127
Available for Sale, Estimated Fair Value	233,578	235,249
US Government Agency [Member]
Schedule of Available for sale Securities [Line Items]
Available for Sale, Amortized Cost	81,692	72,585
Available for Sale, Gross Unrealized Gains	3,223	2,932
Available for Sale, Gross Unrealized Losses	17	23
Available for Sale, Estimated Fair Value	84,898	75,494
Private Label Mortgage-Backed Securities [Member]
Schedule of Available for sale Securities [Line Items]
Available for Sale, Amortized Cost	9,861	13,504
Available for Sale, Gross Unrealized Gains	519	201
Available for Sale, Gross Unrealized Losses	726	1,492
Available for Sale, Estimated Fair Value	9,654	12,213
Obligations Of States And Political Subdivisions Thereof [Member]
Schedule of Available for sale Securities [Line Items]
Available for Sale, Amortized Cost	74,351	58,160
Available for Sale, Gross Unrealized Gains	2,741	2,199
Available for Sale, Gross Unrealized Losses	1,390	2,458
Available for Sale, Estimated Fair Value	$ 75,702	$ 57,901

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

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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