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Note 3 - Fair Value of Financial Instruments (Details Textual) - Fair Value, Recurring [Member] - USD ($) $ in Thousands | Mar. 31, 2021 | Dec. 31, 2020 | [1]
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Derivative Assets (Liabilities), at Fair Value, Net, Total | $ (1,827) | $ (3,106)
Interest Rate Swap [Member] |  |
Derivative Assets (Liabilities), at Fair Value, Net, Total | $ (1,800) |
[1] | Includes derivative assets of $122 at December 31, 2020.

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- Definition Fair values as of the balance sheet date of the net amount of all assets and liabilities resulting from contracts that meet the criteria of being accounted for as derivative instruments. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 815 -SubTopic 10 -Section 45 -Paragraph 5 -URI http://asc.fasb.org/extlink&oid=117331979&loc=d3e41228-113958 + Details
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Balance Type: | debit
Period Type: | instant

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- Details
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- Details
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Balance Type: |
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