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Note 12 - Derivative Financial Instruments - Derivative Financial Instruments (Details) - USD ($) | Sep. 30, 2016 | Dec. 31, 2015
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Interest Rate Swaps1 [Member] | Designated as Hedging Instrument [Member] |  |  |
Interest rate swaps, notional amount |  |  | $ 28,588,000
Interest rate swaps, net carrying value | [1] |  | 48,000
Interest Rate Swaps2 [Member] | Designated as Hedging Instrument [Member] |  |  |
Interest rate swaps, notional amount |  | 189,791,000 | 99,955,000
Interest rate swaps, net carrying value | [1] | (9,095,000) | (1,515,000)
Interest Rate Swap [Member] | Not Designated as Hedging Instrument [Member] |  |  |
Interest rate swaps, notional amount |  | 36,321,000 | 36,321,000
Interest rate swaps, net carrying value | [1] | (6,331,000) | (2,799,000)
Interest Rate Swap [Member] |  |  |
Interest rate swaps, notional amount |  | 208,100,000 | 146,900,000
Designated as Hedging Instrument [Member] |  |  |
Interest rate swaps, notional amount |  | 189,800,000 | 128,500,000
Not Designated as Hedging Instrument [Member] |  |  |
Interest rate swaps, notional amount |  | 36,300,000 | 36,300,000
Interest rate swaps, notional amount |  | 226,112,000 | 164,864,000
Interest rate swaps, net carrying value | [1] | $ (15,426,000) | $ (4,266,000)
[1] | Derivatives in a net positive position are recorded as "Other assets" and derivatives in a net negative position are recorded as "Other liabilities" in the Consolidated Statements of Financial Condition. There were no unrealized losses at September 30, 2016 and December 31, 2015.

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- Definition Nominal or face amount used to calculate payments on the derivative asset. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 815 -SubTopic 10 -Section 50 -Paragraph 1A -Subparagraph (d) -URI http://asc.fasb.org/extlink&oid=64837297&loc=SL5579245-113959 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Glossary Notional Amount -URI http://asc.fasb.org/extlink&oid=6519104 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 815 -SubTopic 10 -Section 50 -Paragraph 1B -URI http://asc.fasb.org/extlink&oid=64837297&loc=SL5580258-113959 + Details
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- Definition Fair value as of the balance sheet date of interest rate derivative assets, net of interest rate derivative liabilities, which includes all such derivative instruments in hedging and nonhedging relationships that are recognized on the balance sheet. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 825 -SubTopic 10 -Section 50 -Paragraph 10 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=73719730&loc=d3e13433-108611 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 825 -SubTopic 10 -Section 50 -Paragraph 15 -URI http://asc.fasb.org/extlink&oid=73719730&loc=d3e13495-108611 + Details
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