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Note 3 - Securities (Details) - Securities in a Continuous Loss Position (USD $) | Jun. 30, 2014 | Dec. 31, 2013
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Note 3 - Securities (Details) - Securities in a Continuous Loss Position [Line Items] |  |
Securities available for sale, continuous unrealized loss position, less than 12 months | $ 254,971,000 | $ 58,767,000
Securities available for sale, continuous unrealized loss position, less than 12 months, unrealized loss | (1,351,000) | (5,833,000)
Securities available for sale, continuous unrealized loss position, 12 months or more | 70,554,000 | 29,679,000
Securities available for sale, continuous unrealized loss position, 12 months or more, unrealized loss | (5,798,000) | (4,267,000)
Securities available for sale, continuous unrealized loss position | 325,525,000 | 88,446,000
Securities available for sale, continuous unrealized loss position, unrealized loss | (7,149,000) | (10,100,000)
US Government Agencies Debt Securities [Member] |  |
Note 3 - Securities (Details) - Securities in a Continuous Loss Position [Line Items] |  |
Securities available for sale, continuous unrealized loss position, less than 12 months | 90,627,000 | 57,117,000
Securities available for sale, continuous unrealized loss position, less than 12 months, unrealized loss | (373,000) | (5,798,000)
Securities available for sale, continuous unrealized loss position, 12 months or more | 69,159,000 | 29,679,000
Securities available for sale, continuous unrealized loss position, 12 months or more, unrealized loss | (5,793,000) | (4,267,000)
Securities available for sale, continuous unrealized loss position | 159,786,000 | 86,796,000
Securities available for sale, continuous unrealized loss position, unrealized loss | (6,166,000) | (10,065,000)
Collateralized Mortgage Backed Securities [Member] |  |
Note 3 - Securities (Details) - Securities in a Continuous Loss Position [Line Items] |  |
Securities available for sale, continuous unrealized loss position, less than 12 months | 64,108,000 | 0
Securities available for sale, continuous unrealized loss position, less than 12 months, unrealized loss | (222,000) | 0
Securities available for sale, continuous unrealized loss position, 12 months or more | 0 | 0
Securities available for sale, continuous unrealized loss position, 12 months or more, unrealized loss | 0 | 0
Securities available for sale, continuous unrealized loss position | 64,108,000 | 0
Securities available for sale, continuous unrealized loss position, unrealized loss | (222,000) | 0
Municipal General Obligation Bonds [Member] |  |
Note 3 - Securities (Details) - Securities in a Continuous Loss Position [Line Items] |  |
Securities available for sale, continuous unrealized loss position, less than 12 months | 92,461,000 | 295,000
Securities available for sale, continuous unrealized loss position, less than 12 months, unrealized loss | (721,000) | (4,000)
Securities available for sale, continuous unrealized loss position, 12 months or more | 0 | 0
Securities available for sale, continuous unrealized loss position, 12 months or more, unrealized loss | 0 | 0
Securities available for sale, continuous unrealized loss position | 92,461,000 | 295,000
Securities available for sale, continuous unrealized loss position, unrealized loss | (721,000) | (4,000)
Municipal Revenue Bonds [Member] |  |
Note 3 - Securities (Details) - Securities in a Continuous Loss Position [Line Items] |  |
Securities available for sale, continuous unrealized loss position, less than 12 months | 7,775,000 | 0
Securities available for sale, continuous unrealized loss position, less than 12 months, unrealized loss | (35,000) | 0
Securities available for sale, continuous unrealized loss position, 12 months or more | 0 | 0
Securities available for sale, continuous unrealized loss position, 12 months or more, unrealized loss | 0 | 0
Securities available for sale, continuous unrealized loss position | 7,775,000 | 0
Securities available for sale, continuous unrealized loss position, unrealized loss | (35,000) | 0
Other Debt Obligations [Member] |  |
Note 3 - Securities (Details) - Securities in a Continuous Loss Position [Line Items] |  |
Securities available for sale, continuous unrealized loss position, less than 12 months | 0 |
Securities available for sale, continuous unrealized loss position, less than 12 months, unrealized loss | 0 |
Securities available for sale, continuous unrealized loss position, 12 months or more | 1,395,000 |
Securities available for sale, continuous unrealized loss position, 12 months or more, unrealized loss | (5,000) |
Securities available for sale, continuous unrealized loss position | 1,395,000 |
Securities available for sale, continuous unrealized loss position, unrealized loss | (5,000) |
Mutual Funds [Member] |  |
Note 3 - Securities (Details) - Securities in a Continuous Loss Position [Line Items] |  |
Securities available for sale, continuous unrealized loss position, less than 12 months |  | 1,355,000
Securities available for sale, continuous unrealized loss position, less than 12 months, unrealized loss |  | (31,000)
Securities available for sale, continuous unrealized loss position, 12 months or more |  | 0
Securities available for sale, continuous unrealized loss position, 12 months or more, unrealized loss |  | 0
Securities available for sale, continuous unrealized loss position |  | 1,355,000
Securities available for sale, continuous unrealized loss position, unrealized loss |  | $ (31,000)

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- Definition Amount of accumulated unrealized loss on investments in debt and equity securities classified as available-for-sale that have been in a continuous loss position for twelve months or longer. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 320 -SubTopic 10 -Section 50 -Paragraph 7 -URI http://asc.fasb.org/extlink&oid=27724398&loc=d3e27337-111563 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 320 -SubTopic 10 -Section 50 -Paragraph 6 -Subparagraph (a)(2) -URI http://asc.fasb.org/extlink&oid=27724398&loc=d3e27290-111563 + Details
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- Definition Amount of accumulated unrealized loss on investments in debt and equity securities classified as available-for-sale in a continuous loss position. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 320 -SubTopic 10 -Section 50 -Paragraph 7 -URI http://asc.fasb.org/extlink&oid=27724398&loc=d3e27337-111563 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 320 -SubTopic 10 -Section 50 -Paragraph 6 -Subparagraph (a)(2) -URI http://asc.fasb.org/extlink&oid=27724398&loc=d3e27290-111563 + Details
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- Definition This item represents the aggregate fair value of investments in debt and equity securities in an unrealized loss position which are categorized neither as held-to-maturity nor trading securities. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 320 -SubTopic 10 -Section 50 -Paragraph 6 -Subparagraph (a)(1) -URI http://asc.fasb.org/extlink&oid=27724398&loc=d3e27290-111563 + Details
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- Definition Amount of accumulated unrealized loss on investments in debt and equity securities classified as available-for-sale that have been in a continuous loss position for less than twelve months. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 320 -SubTopic 10 -Section 50 -Paragraph 7 -URI http://asc.fasb.org/extlink&oid=27724398&loc=d3e27337-111563 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 320 -SubTopic 10 -Section 50 -Paragraph 6 -Subparagraph (a)(2) -URI http://asc.fasb.org/extlink&oid=27724398&loc=d3e27290-111563 + Details
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- Definition This item represents the aggregate fair value of investments in debt and equity securities categorized neither as held-to-maturity nor trading securities that have been in a continuous unrealized loss position for less than twelve months. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 320 -SubTopic 10 -Section 50 -Paragraph 7 -URI http://asc.fasb.org/extlink&oid=27724398&loc=d3e27337-111563 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 320 -SubTopic 10 -Section 50 -Paragraph 6 -Subparagraph (a)(1) -URI http://asc.fasb.org/extlink&oid=27724398&loc=d3e27290-111563 + Details
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- Definition This item represents the aggregate fair value of investments in debt and equity securities categorized neither as held-to-maturity nor trading securities that have been in a continuous unrealized loss position for twelve months or longer. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 320 -SubTopic 10 -Section 50 -Paragraph 7 -URI http://asc.fasb.org/extlink&oid=27724398&loc=d3e27337-111563 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 320 -SubTopic 10 -Section 50 -Paragraph 6 -Subparagraph (a)(1) -URI http://asc.fasb.org/extlink&oid=27724398&loc=d3e27290-111563 + Details
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