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Note 5 - Securities (Details) - Available for Sale Securities (USD $) In Thousands, unless otherwise specified | Sep. 30, 2014 | Dec. 31, 2013
--- | --- | ---
Available for Sale: |  |
Amortized Costs | $ 214,396 | $ 203,268
Gross Unrealized Gains | 1,534 | 1,255
Gross Unrealized Losses | 10,910 | 22,811
Available-for-sale Securities Fair Value | 205,020 | 181,712
US Government Agencies [Member] |  |
Available for Sale: |  |
Amortized Costs | 184,737 | 169,818
Gross Unrealized Gains | 380 | 199
Gross Unrealized Losses | 10,673 | 22,163
Available-for-sale Securities Fair Value | 174,444 | 147,854
States And Political Subdivisions [Member] |  |
Available for Sale: |  |
Amortized Costs | 19,657 | 22,830
Gross Unrealized Gains | 894 | 746
Gross Unrealized Losses | 6 | 120
Available-for-sale Securities Fair Value | 20,545 | 23,456
Mortgage-backed Securities [Member] |  |
Available for Sale: |  |
Amortized Costs | 2,012 | 2,627
Gross Unrealized Gains | 194 | 213
Available-for-sale Securities Fair Value | 2,206 | 2,840
Corporate Securities [Member] |  |
Available for Sale: |  |
Amortized Costs | 7,801 | 7,804
Gross Unrealized Gains | 66 | 97
Gross Unrealized Losses | 175 | 506
Available-for-sale Securities Fair Value | 7,692 | 7,395
Other Securities [Member] |  |
Available for Sale: |  |
Amortized Costs | 189 | 189
Gross Unrealized Losses | 56 | 22
Available-for-sale Securities Fair Value | $ 133 | $ 167

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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 before tax of unrealized gain in accumulated other comprehensive income (AOCI) on investments in debt and equity securities classified as available-for-sale. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 320 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=27724398&loc=d3e27161-111563 + Details
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- Definition Amount before tax of unrealized loss in accumulated other comprehensive income (AOCI) on investments in debt and equity securities classified as available-for-sale. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 320 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (c) -URI http://asc.fasb.org/extlink&oid=27724398&loc=d3e27161-111563 + Details
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- 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 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 + Details
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