Note 15 - Financial Derivatives (Tables)

6 Months Ended

Jun. 30, 2022

Notes Tables

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

	June 30, 2022			December 31, 2021
	(In thousands)
Cash flow swap hedges:
Notional	$	119,136		$	119,136
Weighted average fixed rate-pay		2.61	%		2.61	%
Weighted average variable rate-receive		1.40	%		0.16	%
Unrealized gain/(loss), net of taxes (1)	$	882		$	(3,276	)

	Three months ended				Six months ended
	June 30, 2022		June 30, 2021		June 30, 2022		June 30, 2021
Periodic net settlement of swaps (2)	$	484	$	731	$	1,172	$	1,442

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

	June 30, 2022			December 31, 2021
	(In thousands)
Fair value swap hedges:
Notional	$	901,388		$	729,280
Weighted average fixed rate-pay		2.01	%		2.65	%
Weighted average variable rate spread		0.67	%		1.31	%
Weighted average variable rate-receive		1.54	%		1.43	%
Unrealized gain/(loss), net of taxes (1)	$	23,375		$	(1,013	)

	Three months ended						Six months ended
	June 30, 2022			June 30, 2021			June 30, 2022			June 30, 2021
Periodic net settlement of swaps (2)	$	(1,328	)	$	(2,387	)	$	(3,089	)	$	(4,774	)

Derivatives Not Designated as Hedging Instruments [Table Text Block]

	June 30, 2022			December 31, 2021
	(In thousands)
Derivative financial instruments not designated as hedging instruments:
Notional amounts:
Option contracts	$	202		$	676
Spot, forward, and swap contracts with positive fair value	$	134,895		$	181,997
Spot, forward, and swap contracts with negative fair value	$	105,824		$	51,782
Fair value:
Option contracts	$	2		$	3
Spot, forward, and swap contracts with positive fair value	$	344		$	1,113
Spot, forward, and swap contracts with negative fair value	$	(914	)	$	(327	)