Securities Available For Sale (Summary Of Securities Available For Sale) (Details) (USD $) In Thousands, unless otherwise specified	Sep. 30, 2012	Dec. 31, 2011
Schedule of Available for sale Securities [Line Items]
Available for Sale, Amortized Cost	$ 405,281	$ 371,211
Available for Sale, Gross Unrealized Gains	17,884	14,769
Available for Sale, Gross Unrealized Losses	1,339	4,100
Available for Sale, Estimated Fair Value	421,826	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	7	23
Available for Sale, Estimated Fair Value	1,007	1,023
US Treasury Securities [Member]
Schedule of Available for sale Securities [Line Items]
Available for Sale, Amortized Cost	101
Available for Sale, Gross Unrealized Gains	1
Available for Sale, Estimated Fair Value	102
US Government-Sponsored Enterprises [Member]
Schedule of Available for sale Securities [Line Items]
Available for Sale, Amortized Cost	231,938	225,962
Available for Sale, Gross Unrealized Gains	10,237	9,414
Available for Sale, Gross Unrealized Losses	200	127
Available for Sale, Estimated Fair Value	241,975	235,249
US Government Agency [Member]
Schedule of Available for sale Securities [Line Items]
Available for Sale, Amortized Cost	86,026	72,585
Available for Sale, Gross Unrealized Gains	3,077	2,932
Available for Sale, Gross Unrealized Losses	150	23
Available for Sale, Estimated Fair Value	88,953	75,494
Private Label Mortgage-Backed Securities [Member]
Schedule of Available for sale Securities [Line Items]
Available for Sale, Amortized Cost	8,910	13,504
Available for Sale, Gross Unrealized Gains	487	201
Available for Sale, Gross Unrealized Losses	557	1,492
Available for Sale, Estimated Fair Value	8,840	12,213
Obligations Of States And Political Subdivisions Thereof [Member]
Schedule of Available for sale Securities [Line Items]
Available for Sale, Amortized Cost	77,306	58,160
Available for Sale, Gross Unrealized Gains	4,075	2,199
Available for Sale, Gross Unrealized Losses	432	2,458
Available for Sale, Estimated Fair Value	$ 80,949	$ 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