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Note 5 - Securities (Details) - Available for Sale Securities (USD $) In Thousands, unless otherwise specified | 3 Months Ended | 12 Months Ended
--- | --- | ---
Mar. 31, 2014 | Dec. 31, 2013
Available for Sale: |  |
Amortized Costs | $ 207,155 | $ 203,958
Gross Unrealized Gains | 1,344 | 1,255
Gross Unrealized Losses | 18,098 | 22,811
Available-for-sale Securities Fair Value | 190,401 | 182,402
US Government Agencies [Member] |  |
Available for Sale: |  |
Amortized Costs | 173,798 | 169,818
Gross Unrealized Gains | 233 | 199
Gross Unrealized Losses | 17,696 | 22,163
Available-for-sale Securities Fair Value | 156,335 | 147,854
States and Political Subdivisions [Member] |  |
Available for Sale: |  |
Amortized Costs | 21,634 | 22,830
Gross Unrealized Gains | 813 | 746
Gross Unrealized Losses | 39 | 120
Available-for-sale Securities Fair Value | 22,408 | 23,456
Mortgage-backed Securities [Member] |  |
Available for Sale: |  |
Amortized Costs | 2,392 | 2,627
Gross Unrealized Gains | 215 | 213
Available-for-sale Securities Fair Value | 2,607 | 2,840
Corporate Securities [Member] |  |
Available for Sale: |  |
Amortized Costs | 8,802 | 7,804
Gross Unrealized Gains | 83 | 97
Gross Unrealized Losses | 312 | 506
Available-for-sale Securities Fair Value | 8,573 | 7,395
Other Securities [Member] |  |
Available for Sale: |  |
Amortized Costs | 529 | 879
Gross Unrealized Losses | 51 | 22
Available-for-sale Securities Fair Value | $ 478 | $ 857

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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 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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- Definition Amount of unrealized gain before deducting unrealized loss on investments in debt and equity securities classified as available-for-sale securities. + 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 of unrealized loss before deducting unrealized gain on investments in available-for-sale securities. + 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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