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Note 5 - Derivative Instruments and Hedging Activities (Details Textual) $ in Thousands, € in Millions, $ in Millions | 3 Months Ended |  |  |
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Mar. 31, 2022 USD ($) | Mar. 31, 2021 USD ($) | Apr. 29, 2022 USD ($) | Mar. 31, 2022 CAD ($) | Mar. 31, 2022 EUR (€) | Dec. 31, 2021 USD ($) | Dec. 31, 2021 CAD ($)
Unrealized Loss on Foreign Currency Derivatives, before Tax | $ 600 |  |  |  |  |  |
Foreign Currency Cash Flow Hedge Gain (Loss) to be Reclassified During Next 12 Months | 200 |  |  |  |  |  |
Interest Rate Swap [Member] | Subsequent Event [Member] |  |  |  |  |  |  |
Derivative, Notional Amount |  |  | $ 40,000 |  |  |  |
Derivative, Fixed Interest Rate |  |  | 1.94% |  |  |  |
Designated as Hedging Instrument [Member] | Foreign Exchange Forward [Member] |  |  |  |  |  |  |
Derivative, Notional Amount | 15,900 |  |  | $ 19.8 |  | $ 19,000 | $ 24.1
Designated as Hedging Instrument [Member] | Second Foreign Exchange Forward Contract [Member] |  |  |  |  |  |  |
Derivative, Notional Amount | 9,900 |  |  |  | € 9 |  |
Not Designated as Hedging Instrument [Member] | Foreign Exchange Forward [Member] |  |  |  |  |  |  |
Derivative Instruments Not Designated as Hedging Instruments, Gain (Loss), Net, Total | $ 0 | $ 0 |  |  |  |  |

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- Definition Fixed interest rate related to the interest rate derivative. + References No definition available. + Details
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- Definition Amount of realized and unrealized gain (loss) of derivative instruments not designated or qualifying as hedging instruments. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 815 -SubTopic 10 -Section 50 -Paragraph 4CC -URI https://asc.fasb.org/extlink&oid=125515794&loc=SL109998890-113959 Reference 2: 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 https://asc.fasb.org/extlink&oid=125515794&loc=SL5624171-113959 + 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 https://asc.fasb.org/extlink&oid=125515794&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 https://asc.fasb.org/extlink&oid=125515794&loc=SL5579245-113959 + Details
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- Definition The estimated net amount of unrealized gains or losses on foreign currency cash flow hedges at the reporting date expected to be reclassified to earnings within the next 12 months. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 815 -SubTopic 30 -Section 50 -Paragraph 1 -Subparagraph (c) -URI https://asc.fasb.org/extlink&oid=121549185&loc=d3e80748-113994 + Details
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- Definition Amount of unrealized loss recorded in accumulated other comprehensive income pertaining to the decrease in fair value of foreign currency exchange rate derivatives designated as cash flow hedging instruments to the extent that a cash flow hedge is determined to be effective. + 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 (b) -URI https://asc.fasb.org/extlink&oid=125515794&loc=SL5624171-113959 + Details
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