Note 14 - Financial Derivatives (Tables)

3 Months Ended

Mar. 31, 2024

Notes Tables

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

	March 31, 2024			December 31, 2023
	(In thousands)
Fair value swap hedges:
Notional	$	775,466		$	1,156,007
Weighted average fixed rate-pay		2.87	%		2.01	%
Weighted average variable rate spread		0.22	%		0.32	%
Weighted average variable rate-receive		5.56	%		5.41	%
Net gain(1)	$	11,502		$	7,935

	Three Months Ended
	March 31, 2024		March 31, 2023
Periodic net settlement of swaps (2)	$	6,841	$	6,336

Derivatives Not Designated as Hedging Instruments [Table Text Block]

Derivative financial instruments not designated as hedging instruments:	March 31, 2024			December 31, 2023
	(In thousands)
Notional amounts:
Forward, and swap contracts with positive fair value	$	875,200		$	775,324
Forward, and swap contracts with negative fair value	$	690,633		$	752,250
Fair value:
Forward, and swap contracts with positive fair value	$	42,347		$	39,010
Forward, and swap contracts with negative fair value	$	(42,189	)	$	(38,807	)