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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
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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) | $ 87,455 us-gaap_HeldToMaturitySecurities | $ 90,786 us-gaap_HeldToMaturitySecurities
Held-to-maturity Securities, Accumulated Unrecognized Holding Gain | 3,662 us-gaap_HeldToMaturitySecuritiesAccumulatedUnrecognizedHoldingGain | 3,405 us-gaap_HeldToMaturitySecuritiesAccumulatedUnrecognizedHoldingGain
Held-to-maturity Securities, Accumulated Unrecognized Holding Loss | 0 us-gaap_HeldToMaturitySecuritiesAccumulatedUnrecognizedHoldingLoss | 0 us-gaap_HeldToMaturitySecuritiesAccumulatedUnrecognizedHoldingLoss
Securities held-to-maturity, Estimated Fair Value | 91,117 us-gaap_HeldToMaturitySecuritiesFairValue | 94,191 us-gaap_HeldToMaturitySecuritiesFairValue
Other Investments and Securities, at Cost | 9,857 us-gaap_OtherInvestmentsAndSecuritiesAtCost | 9,857 us-gaap_OtherInvestmentsAndSecuritiesAtCost
Other Investment Not Readily Marketable, Fair Value | 9,857 us-gaap_OtherInvestmentNotReadilyMarketableFairValue | 9,857 us-gaap_OtherInvestmentNotReadilyMarketableFairValue
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 us-gaap_HeldToMaturitySecurities / us-gaap_DebtSecurityAxis = us-gaap_MortgageBackedSecuritiesIssuedByUSGovernmentSponsoredEnterprisesMember | 86,742 us-gaap_HeldToMaturitySecurities / us-gaap_DebtSecurityAxis = us-gaap_MortgageBackedSecuritiesIssuedByUSGovernmentSponsoredEnterprisesMember
Held-to-maturity Securities, Accumulated Unrecognized Holding Gain | 2,968 us-gaap_HeldToMaturitySecuritiesAccumulatedUnrecognizedHoldingGain / us-gaap_DebtSecurityAxis = us-gaap_MortgageBackedSecuritiesIssuedByUSGovernmentSponsoredEnterprisesMember | 2,733 us-gaap_HeldToMaturitySecuritiesAccumulatedUnrecognizedHoldingGain / us-gaap_DebtSecurityAxis = us-gaap_MortgageBackedSecuritiesIssuedByUSGovernmentSponsoredEnterprisesMember
Held-to-maturity Securities, Accumulated Unrecognized Holding Loss | 0 us-gaap_HeldToMaturitySecuritiesAccumulatedUnrecognizedHoldingLoss / us-gaap_DebtSecurityAxis = us-gaap_MortgageBackedSecuritiesIssuedByUSGovernmentSponsoredEnterprisesMember | 0 us-gaap_HeldToMaturitySecuritiesAccumulatedUnrecognizedHoldingLoss / us-gaap_DebtSecurityAxis = us-gaap_MortgageBackedSecuritiesIssuedByUSGovernmentSponsoredEnterprisesMember
Securities held-to-maturity, Estimated Fair Value | 86,494 us-gaap_HeldToMaturitySecuritiesFairValue / us-gaap_DebtSecurityAxis = us-gaap_MortgageBackedSecuritiesIssuedByUSGovernmentSponsoredEnterprisesMember | 89,475 us-gaap_HeldToMaturitySecuritiesFairValue / us-gaap_DebtSecurityAxis = us-gaap_MortgageBackedSecuritiesIssuedByUSGovernmentSponsoredEnterprisesMember
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 us-gaap_HeldToMaturitySecurities / us-gaap_DebtSecurityAxis = us-gaap_TrustPreferredSecuritiesSubjectToMandatoryRedemptionMember | 4,044 us-gaap_HeldToMaturitySecurities / us-gaap_DebtSecurityAxis = us-gaap_TrustPreferredSecuritiesSubjectToMandatoryRedemptionMember
Held-to-maturity Securities, Accumulated Unrecognized Holding Gain | 694 us-gaap_HeldToMaturitySecuritiesAccumulatedUnrecognizedHoldingGain / us-gaap_DebtSecurityAxis = us-gaap_TrustPreferredSecuritiesSubjectToMandatoryRedemptionMember | 672 us-gaap_HeldToMaturitySecuritiesAccumulatedUnrecognizedHoldingGain / us-gaap_DebtSecurityAxis = us-gaap_TrustPreferredSecuritiesSubjectToMandatoryRedemptionMember
Held-to-maturity Securities, Accumulated Unrecognized Holding Loss | 0 us-gaap_HeldToMaturitySecuritiesAccumulatedUnrecognizedHoldingLoss / us-gaap_DebtSecurityAxis = us-gaap_TrustPreferredSecuritiesSubjectToMandatoryRedemptionMember | 0 us-gaap_HeldToMaturitySecuritiesAccumulatedUnrecognizedHoldingLoss / us-gaap_DebtSecurityAxis = us-gaap_TrustPreferredSecuritiesSubjectToMandatoryRedemptionMember
Securities held-to-maturity, Estimated Fair Value | 4,623 us-gaap_HeldToMaturitySecuritiesFairValue / us-gaap_DebtSecurityAxis = us-gaap_TrustPreferredSecuritiesSubjectToMandatoryRedemptionMember | 4,716 us-gaap_HeldToMaturitySecuritiesFairValue / us-gaap_DebtSecurityAxis = us-gaap_TrustPreferredSecuritiesSubjectToMandatoryRedemptionMember
Non-Marketable Equity Securities [Member] |  |
Schedule of Held-to-maturity Securities [Line Items] |  |
Other Investments and Securities, at Cost | 9,857 us-gaap_OtherInvestmentsAndSecuritiesAtCost / us-gaap_DebtSecurityAxis = us-gaap_FederalHomeLoanBankCertificatesAndObligationsFHLBMember | 9,857 us-gaap_OtherInvestmentsAndSecuritiesAtCost / us-gaap_DebtSecurityAxis = us-gaap_FederalHomeLoanBankCertificatesAndObligationsFHLBMember
Other Investment Not Readily Marketable, Fair Value | $ 9,857 us-gaap_OtherInvestmentNotReadilyMarketableFairValue / us-gaap_DebtSecurityAxis = us-gaap_FederalHomeLoanBankCertificatesAndObligationsFHLBMember | $ 9,857 us-gaap_OtherInvestmentNotReadilyMarketableFairValue / us-gaap_DebtSecurityAxis = us-gaap_FederalHomeLoanBankCertificatesAndObligationsFHLBMember

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- Definition Amount after other than temporary impairment (OTTI) accretion, of investments in debt securities classified as held-to-maturity. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 320 -SubTopic 10 -Section 50 -Paragraph 5 -Subparagraph (f) -URI http://asc.fasb.org/extlink&oid=27724398&loc=d3e27232-111563 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 320 -SubTopic 10 -Section 25 -Paragraph 1 -Subparagraph (c) -URI http://asc.fasb.org/extlink&oid=28360136&loc=d3e22054-111558 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 320 -SubTopic 10 -Section 50 -Paragraph 5 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=27724398&loc=d3e27232-111563 Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 944 -SubTopic 210 -Section S99 -Paragraph 1 -Subparagraph (SX 210.7-03.1) -URI http://asc.fasb.org/extlink&oid=6879938&loc=d3e572229-122910 Reference 5: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 942 -SubTopic 210 -Section S99 -Paragraph 1 -Subparagraph (SX 210.9-03.6) -URI http://asc.fasb.org/extlink&oid=6876686&loc=d3e534808-122878 + Details
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- Definition Amount of accumulated unrealized gain on investments in debt securities classified as held-to-maturity. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 320 -SubTopic 10 -Section 50 -Paragraph 5 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=27724398&loc=d3e27232-111563 + Details
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- Definition Amount of accumulated unrealized loss on investments in debt securities classified as held-to-maturity. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 320 -SubTopic 10 -Section 50 -Paragraph 5 -Subparagraph (c) -URI http://asc.fasb.org/extlink&oid=27724398&loc=d3e27232-111563 + Details
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- Definition Fair value of investments in debt securities classified as held-to-maturity. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 320 -SubTopic 10 -Section 50 -Paragraph 5 -Subparagraph (aa) -URI http://asc.fasb.org/extlink&oid=27724398&loc=d3e27232-111563 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 320 -SubTopic 10 -Section 50 -Paragraph 5 -Subparagraph (f) -URI http://asc.fasb.org/extlink&oid=27724398&loc=d3e27232-111563 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 320 -SubTopic 10 -Section 50 -Paragraph 5 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=27724398&loc=d3e27232-111563 + Details
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- Definition 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. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 940 -SubTopic 820 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=35710923&loc=d3e45360-110995 + Details
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- Definition 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. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 944 -SubTopic 210 -Section S99 -Paragraph 1 -Subparagraph (SX 210.7-03.1) -URI http://asc.fasb.org/extlink&oid=6879938&loc=d3e572229-122910 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 03 -Paragraph a -Subparagraph 1(g) -Article 7 + Details
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