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Investments (Amortized Cost And Fair Values Classified By Contractual Maturity Date) (Details) (USD $) In Thousands, unless otherwise specified | Sep. 30, 2013 | Dec. 31, 2012
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Schedule of Investments [Line Items] |  |
Amortized Cost: Due after one year through five years | $ 20,041 |
Amortized Cost: Due after five years through ten years | 69,285 |
Amortized Cost: Due after ten years | 93,612 |
Amortized Cost: Sub Total | 182,938 |
Fair Value: Due after one year through five years | 20,105 |
Fair Value: Due after five years through ten years | 69,095 |
Fair Value: Due after ten years | 68,809 |
Available For Sale Debt Maturities Fair Value Sub Total | 158,009 |
Available-for-sale Securities, Amortized Cost Basis | 326,394 | 245,106
Available-for-sale Securities | 297,010 | 223,273
Amortized Cost: Due after ten years | 3,900 |
Fair Value: Due after ten years | 3,536 |
Residential mortgage-backed agencies [Member] |  |
Schedule of Investments [Line Items] |  |
Amortized Cost: without Single Maturity Date | 87,049 |
Fair Value: without Single Maturity Date | 83,785 |
Available-for-sale Securities, Amortized Cost Basis | 87,049 | 43,596
Available-for-sale Securities | 83,785 | 44,108
Commercial mortgage-backed agencies [Member] |  |
Schedule of Investments [Line Items] |  |
Amortized Cost: without Single Maturity Date | 28,174 |
Fair Value: without Single Maturity Date | 27,281 |
Available-for-sale Securities, Amortized Cost Basis | 28,174 | 37,330
Available-for-sale Securities | 27,281 | 37,618
Collateralized mortgage obligations [Member] |  |
Schedule of Investments [Line Items] |  |
Amortized Cost: without Single Maturity Date | 28,233 |
Fair Value: without Single Maturity Date | 27,935 |
Available-for-sale Securities, Amortized Cost Basis | 28,233 | 31,836
Available-for-sale Securities | $ 27,935 | $ 31,731

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- Definition Amount of investment in debt and equity securities categorized neither as held-to-maturity nor trading. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 320 -SubTopic 10 -Section 25 -Paragraph 1 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=28360136&loc=d3e22054-111558 Reference 2: 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 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 320 -SubTopic 10 -Section 45 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=6871852&loc=d3e26610-111562 + Details
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- Definition Amount of available-for-sale debt securities at cost, net of adjustments, maturing in the sixth fiscal year through the tenth fiscal year following the latest fiscal year. Adjustments include, but are not limited to, accretion, amortization, collection of cash, previous other-than-temporary impairments (OTTI) recognized in earnings (less any cumulative-effect adjustments, as defined) and fair value hedge accounting adjustments. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02.2) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 320 -SubTopic 10 -Section 50 -Paragraph 3 -Subparagraph (c) -URI http://asc.fasb.org/extlink&oid=27724398&loc=d3e27198-111563 + Details
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- Definition Amount of available-for-sale debt securities at cost, net of adjustments, maturing in the second fiscal year through the fifth fiscal year following the latest fiscal year. Adjustments include, but are not limited to, accretion, amortization, collection of cash, previous other-than-temporary impairments (OTTI) recognized in earnings (less any cumulative-effect adjustments, as defined) and fair value hedge accounting adjustments. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02.2) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 320 -SubTopic 10 -Section 50 -Paragraph 3 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=27724398&loc=d3e27198-111563 + Details
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- Definition Amount of available-for-sale debt securities at cost, net of adjustments, maturing after the tenth fiscal year following the latest fiscal year. Adjustments include, but are not limited to, accretion, amortization, collection of cash, previous other-than-temporary impairments (OTTI) recognized in earnings (less any cumulative-effect adjustments, as defined) and fair value hedge accounting adjustments. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02.2) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 320 -SubTopic 10 -Section 50 -Paragraph 3 -Subparagraph (d) -URI http://asc.fasb.org/extlink&oid=27724398&loc=d3e27198-111563 + Details
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