Investment Securities (Summary Of Amortized Cost And Fair Values Of Investment Securities) (Details) - USD ($) $ in Thousands	Mar. 31, 2016	Dec. 31, 2015
Held To Maturity Securities And Available For Sale Securities [Line Items]
Amortized Cost, Held to Maturity	$ 11,757	$ 11,797
Held-to-maturity Securities, Accumulated Unrecognized Holding Gain	495	488
Gross Unrealized Losses, Held to Maturity	(4)	(3)
Fair Value, Held to Maturity	12,248	12,282
Amortized Cost, Available for Sale	409,093	401,136
Gross Unrealized Gains, Available for Sale	3,648	1,924
Gross Unrealized Losses, Available for Sale	(1,468)	(2,729)
Available-for-sale Securities	411,273	400,331
Federal Agency Securities [Member]
Held To Maturity Securities And Available For Sale Securities [Line Items]
Amortized Cost, Available for Sale	76,860	78,363
Gross Unrealized Gains, Available for Sale	965	220
Gross Unrealized Losses, Available for Sale	(59)	(373)
Available-for-sale Securities	77,766	78,210
Obligations Of State And Political Subdivisions [Member]
Held To Maturity Securities And Available For Sale Securities [Line Items]
Amortized Cost, Held to Maturity	11,757	11,797
Held-to-maturity Securities, Accumulated Unrecognized Holding Gain	495	488
Gross Unrealized Losses, Held to Maturity	(4)	(3)
Fair Value, Held to Maturity	12,248	12,282
Amortized Cost, Available for Sale	46,933	47,079
Gross Unrealized Gains, Available for Sale	1,182	620
Gross Unrealized Losses, Available for Sale	(36)	(134)
Available-for-sale Securities	48,079	47,565
Residential Mortgage-Backed Securities [Member]
Held To Maturity Securities And Available For Sale Securities [Line Items]
Amortized Cost, Available for Sale	250,397	240,804
Gross Unrealized Gains, Available for Sale	1,300	936
Gross Unrealized Losses, Available for Sale	(806)	(1,852)
Available-for-sale Securities	250,891	239,888
Asset-Backed Securities [Member]
Held To Maturity Securities And Available For Sale Securities [Line Items]
Amortized Cost, Available for Sale	9,648	9,639
Gross Unrealized Losses, Available for Sale	(306)	(224)
Available-for-sale Securities	9,342	9,415
Corporate Debt [Member]
Held To Maturity Securities And Available For Sale Securities [Line Items]
Amortized Cost, Available for Sale	25,255	25,251
Gross Unrealized Gains, Available for Sale	201	148
Gross Unrealized Losses, Available for Sale	(261)	(146)
Available-for-sale Securities	$ 25,195	$ 25,253

Held to maturity securities and available for sale securities.

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

+ References

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-Publisher FASB
-Name Accounting Standards Codification
-Topic 320
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-Section 25
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Amount before tax of unrealized gain in accumulated other comprehensive income (AOCI) on investments in debt and equity securities classified as available-for-sale.

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Amount before tax of unrealized loss in accumulated other comprehensive income (AOCI) on investments in debt and equity securities classified as available-for-sale.

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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.

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Amount of accumulated unrealized gain on investments in debt securities classified as held-to-maturity.

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Amount of accumulated unrealized loss on investments in debt securities classified as held-to-maturity.

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Amount before other than temporary impairment (OTTI) accretion, of investments in debt securities classified as held-to-maturity.

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Fair value of investments in debt securities classified as held-to-maturity.

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