Note 16 - Financial Derivatives (Tables)

12 Months Ended

Dec. 31, 2023

Notes Tables

Schedule of Cash Flow Hedging Instruments, Statements of Financial Performance and Financial Position, Location [Table Text Block]

	December 31, 2023			December 31, 2022
Fair value swap hedges:	($ in thousands)
Notional	$	1,156,007		$	874,034
Weighted average fixed rate-pay		2.01	%		2.12	%
Weighted average variable rate spread		0.32	%		0.68	%
Weighted average variable rate-received		5.41	%		2.61	%
Net gain/(loss) (1)	$	7,935		$	38,589

	Year ended
	December 31, 2023		December 31, 2022
Periodic net settlement of SWAPs (2)	$	29,514	$	3,107

Derivatives Not Designated as Hedging Instruments [Table Text Block]

Derivative financial instruments	December 31, 2023			December 31, 2022
not designated as hedging instruments:	(In thousands)
Notional amounts:
Option contracts	$	—		$	—
Forward, and swap contracts with positive fair value	$	775,324		$	668,422
Forward, and swap contracts with negative fair value	$	752,250		$	765,639
Fair value:
Forward, and swap contracts with positive fair value	$	39,010		$	50,467
Forward, and swap contracts with negative fair value	$	(38,807	)	$	(50,962	)