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Note 6 - Derivative Financial Instrument - Schedule of Derivative Instruments (Details) - USD ($) $ in Thousands | Mar. 31, 2025 | Dec. 31, 2024
--- | --- | ---
Cash Flow Hedge Derivative Instrument Assets at Fair Value | $ 20,084 | $ 29,300
Cash Flow Hedge Derivative Instrument Liabilities at Fair Value | 29 | 0
Interest Rate Swap [Member] |  |
Cash Flow Hedge Derivative Instrument Assets at Fair Value | 13,587 | 20,328
Cash Flow Hedge Derivative Instrument Liabilities at Fair Value |  | 0
Interest Rate Collars [Member] |  |
Cash Flow Hedge Derivative Instrument Assets at Fair Value | 6,497 | 8,972
Cash Flow Hedge Derivative Instrument Liabilities at Fair Value | 0 | 0
Cash Flow Hedging [Member] |  |
Derivative, Notional Amount | 800,000 | 700,000
Cash Flow Hedging [Member] | Interest Rate Swap [Member] |  |
Derivative, Notional Amount | 600,000 | 500,000
Cash Flow Hedge Derivative Instrument Liabilities at Fair Value | 29 |
Cash Flow Hedging [Member] | Interest Rate Collars [Member] |  |
Derivative, Notional Amount | $ 200,000 | $ 200,000

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