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Note 8 - Derivative Instruments and Hedging Activities (Details Textual) - Foreign Exchange Contract [Member] $ in Thousands, € in Millions | 9 Months Ended |
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Sep. 30, 2023 USD ($) | Sep. 30, 2022 USD ($) | Sep. 30, 2023 EUR (€)
Derivative Instruments, Approximate Term of Foreign Currency Contracts (Month) | 1 month |  |
Derivative, Notional Amount | $ 333,000 |  |
Not Designated as Hedging Instrument [Member] |  |  |
Derivative, Notional Amount | 158,000 |  | € 150
Gain (Loss) on Derivative Used in Net Investment Hedge, after Tax | $ 0 | $ 29,000 |

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