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Note 5 - Derivatives (Details Textual) $ in Thousands	3 Months Ended
	Mar. 31, 2025 USD ($)	Mar. 31, 2024 USD ($)	Dec. 31, 2024 USD ($)	Dec. 31, 2022 USD ($)	Nov. 30, 2022 USD ($)	Oct. 01, 2022 USD ($)	Dec. 31, 2021 USD ($)
Interest Income (Expense), Operating	$ 65,756	$ 60,300
Interest Rate Swap [Member] | Cash Flow Hedging [Member] | Designated as Hedging Instrument [Member]
Derivative, Number of Instruments Held			12	12			12
Derivative Liability, Notional Amount			$ 550,000	$ 550,000			$ 550,000
Commenced Fixed Interest Rate Swaps [Member] | Cash Flow Hedging [Member] | Designated as Hedging Instrument [Member] | Minimum [Member]
Derivative, Fixed Interest Rate	0.63%
Commenced Fixed Interest Rate Swaps [Member] | Cash Flow Hedging [Member] | Designated as Hedging Instrument [Member] | Maximum [Member]
Derivative, Fixed Interest Rate	3.72%
Interest Rate Cap [Member] | Cash Flow Hedging [Member] | Designated as Hedging Instrument [Member]
Derivative, Number of Instruments Held						2
Derivative Liability, Notional Amount					$ 75,000	$ 150,000
Interest Income (Expense), Operating	$ 4,100	$ 5,600
Interest Rate Cap [Member] | Cash Flow Hedging [Member] | Designated as Hedging Instrument [Member] | Long [Member]
Derivative Liability, Notional Amount				$ 225,000

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Fixed interest rate related to the interest rate derivative.

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