Investments (Aggregate Carrying And Approximate Market Values Of Held-To-Maturity Securities) (Details) (USD $) In Thousands, unless otherwise specified	Mar. 31, 2015	Dec. 31, 2014
Schedule of Held-to-maturity Securities [Line Items]
Investment securities held-to-maturity, at amortized cost (approximate fair value at March 31, 2015 and December 31, 2014, - $91,117 and $94,191, respectively)	$ 87,455us-gaap_HeldToMaturitySecurities	$ 90,786us-gaap_HeldToMaturitySecurities
Held-to-maturity Securities, Accumulated Unrecognized Holding Gain	3,662	3,405
Held-to-maturity Securities, Accumulated Unrecognized Holding Loss	0	0
Securities held-to-maturity, Estimated Fair Value	91,117	94,191
Other Investments and Securities, at Cost	9,857	9,857
Other Investment Not Readily Marketable, Fair Value	9,857	9,857
U.S. Government Agencies Mortgage-backed Securities [Member]
Schedule of Held-to-maturity Securities [Line Items]
Investment securities held-to-maturity, at amortized cost (approximate fair value at March 31, 2015 and December 31, 2014, - $91,117 and $94,191, respectively)	83,526	86,742
Held-to-maturity Securities, Accumulated Unrecognized Holding Gain	2,968	2,733
Held-to-maturity Securities, Accumulated Unrecognized Holding Loss	0	0
Securities held-to-maturity, Estimated Fair Value	86,494	89,475
Trust Preferred Securities [Member]
Schedule of Held-to-maturity Securities [Line Items]
Investment securities held-to-maturity, at amortized cost (approximate fair value at March 31, 2015 and December 31, 2014, - $91,117 and $94,191, respectively)	3,929	4,044
Held-to-maturity Securities, Accumulated Unrecognized Holding Gain	694	672
Held-to-maturity Securities, Accumulated Unrecognized Holding Loss	0	0
Securities held-to-maturity, Estimated Fair Value	4,623	4,716
Non-Marketable Equity Securities [Member]
Schedule of Held-to-maturity Securities [Line Items]
Other Investments and Securities, at Cost	9,857	9,857
Other Investment Not Readily Marketable, Fair Value	$ 9,857	$ 9,857

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

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

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Value of the other investment not readily marketable determined by management based upon fair value methods, including pricing of similar securities and valuation techniques, that was used to record the investment for financial reporting purposes.

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Includes other investments and securities that are not at fair value as of the balance sheet date and those that are not accounted for under the equity method.

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