Note 5 - DERIVATIVES AND HEDGING ACTIVITIES - Cash flow hedging and fair value (Details) - USD ($) $ in Thousands	3 Months Ended	9 Months Ended
Sep. 30, 2025	Sep. 30, 2024	Sep. 30, 2025	Sep. 30, 2024
Derivative [Line Items]
Interest and Dividend Income	$ 125,015	$ 125,420	$ 361,935	$ 360,215
Interest expense	60,216	65,698	175,068	189,631
Interest rate caps and collars \| Interest Expense
Derivative [Line Items]
Gain (loss) on effects of cash flow hedging		(1,029)	(117)	(3,184)
Interest rate swaps \| Interest and Dividend Income
Derivative [Line Items]
Gain on effects of fair value hedging	176	968	511	2,930
Interest rate swaps \| Interest Expense
Derivative [Line Items]
Gain (loss) on effects of cash flow hedging	(214)	(339)	(633)	(1,012)
Interest rate swaps and collars \| Interest and Dividend Income
Derivative [Line Items]
Gain (loss) on effects of cash flow hedging	$ (2,144)	$ (3,000)	$ (6,336)	$ (8,961)

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

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