Note 19 - Derivatives (Details Textual) $ in Thousands	3 Months Ended								12 Months Ended
	Dec. 31, 2023 USD ($)	Sep. 30, 2023 USD ($)	Jun. 30, 2023 USD ($)	Mar. 31, 2023 USD ($)	Dec. 31, 2022 USD ($)	Sep. 30, 2022 USD ($)	Jun. 30, 2022 USD ($)	Mar. 31, 2022 USD ($)	Dec. 31, 2023 USD ($)	Dec. 31, 2022 USD ($)	Dec. 31, 2021 USD ($)	Nov. 30, 2022 USD ($)	Oct. 01, 2022 USD ($)
Interest Income (Expense), Net	$ 61,822	$ 62,357	$ 63,843	$ 67,084	$ 78,009	$ 78,161	$ 75,591	$ 70,358	$ 255,106	$ 302,119	$ 262,878
Other Comprehensive Income (Loss), Cash Flow Hedge, Gain (Loss), before Reclassification and Tax									9,431	46,181	$ 3,593
AOCI Attributable to Parent [Member]
Other Comprehensive Income (Loss), Cash Flow Hedge, Gain (Loss), before Reclassification and Tax									0	$ 0
Interest Rate Swap [Member] | Cash Flow Hedging [Member] | Designated as Hedging Instrument [Member]
Derivative, Number of Instruments Held					11					11	11
Derivative Liability, Notional Amount					$ 500,000					$ 500,000	$ 500,000
Commenced Fixed Interest Rate Swaps [Member] | Cash Flow Hedging [Member] | Designated as Hedging Instrument [Member] | Minimum [Member]
Derivative, Fixed Interest Rate					0.63%					0.63%
Commenced Fixed Interest Rate Swaps [Member] | Cash Flow Hedging [Member] | Designated as Hedging Instrument [Member] | Maximum [Member]
Derivative, Fixed Interest Rate					3.41%					3.41%
Interest Rate Cap [Member] | Cash Flow Hedging [Member] | Designated as Hedging Instrument [Member]
Derivative Liability, Notional Amount												$ 75,000	$ 150,000
Interest Income (Expense), Net									$ 20,200	$ 3,300	$ (1,900)
Interest Rate Cap [Member] | Cash Flow Hedging [Member] | Designated as Hedging Instrument [Member] | Long [Member]
Derivative Liability, Notional Amount					$ 225,000					$ 225,000