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Note 17 - Derivative Financial Instruments - Non-hedging Derivative Financial Instruments (Details) - USD ($) $ in Thousands | 12 Months Ended
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Dec. 31, 2019 | Dec. 31, 2018
Derivative assets, fair vale | $ 1,544 | $ 196
Derivative liabilities, fair vale | 1,358 | 196
Derivative instrument, Gain | 557 | 110
Not Designated as Hedging Instrument [Member] |  |
Derivative, notational amount | 42,288 | 13,997
Interest Rate Swap [Member] | Other Nonoperating Income (Expense) [Member] |  |
Derivative instrument, Gain | 371 | 110
Interest Rate Swap [Member] | Other Assets [Member] |  |
Derivative assets, fair vale | 1,358 | 196
Interest Rate Swap [Member] | Other Liabilities [Member] |  |
Derivative liabilities, fair vale | 1,358 | 196
Interest Rate Swap [Member] | Not Designated as Hedging Instrument [Member] |  |
Derivative, notational amount | 29,466 | 8,649
Loan Commitments [Member] | Other Nonoperating Income (Expense) [Member] |  |
Derivative instrument, Gain | 186 |
Loan Commitments [Member] | Other Assets [Member] |  |
Derivative assets, fair vale | 186 |
Loan Commitments [Member] | Other Liabilities [Member] |  |
Derivative liabilities, fair vale |  |
Loan Commitments [Member] | Not Designated as Hedging Instrument [Member] |  |
Derivative, notational amount | $ 12,822 | $ 5,348

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- Definition Fair value as of the balance sheet date of derivative instrument not designated as hedging instrument and classified as an asset. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 815 -SubTopic 10 -Section 50 -Paragraph 4B -Subparagraph (c)(2) -URI http://asc.fasb.org/extlink&oid=109980867&loc=SL5624163-113959 + Details
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- Definition Amount of realized and unrealized gain of derivative instruments not designated or qualifying as hedging instruments. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 815 -SubTopic 10 -Section 50 -Paragraph 4C -Subparagraph (e) -URI http://asc.fasb.org/extlink&oid=109980867&loc=SL5624171-113959 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 815 -SubTopic 10 -Section 50 -Paragraph 4CC -URI http://asc.fasb.org/extlink&oid=109980867&loc=SL109998890-113959 + Details
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- Definition Fair value as of the balance sheet date of derivative instrument not designated as hedging instrument and classified as a liability. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 815 -SubTopic 10 -Section 50 -Paragraph 4B -Subparagraph (c)(2) -URI http://asc.fasb.org/extlink&oid=109980867&loc=SL5624163-113959 + Details
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- Definition Nominal or face amount used to calculate payment on derivative. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 815 -SubTopic 10 -Section 50 -Paragraph 1B -URI http://asc.fasb.org/extlink&oid=109980867&loc=SL5580258-113959 Reference 2: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 815 -SubTopic 10 -Section 50 -Paragraph 1A -Subparagraph (d) -URI http://asc.fasb.org/extlink&oid=109980867&loc=SL5579245-113959 + Details
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