Note 13 - Accumulated Other Comprehensive Loss (Tables)

12 Months Ended

Dec. 31, 2021

Notes Tables

Schedule of Accumulated Other Comprehensive Income (Loss) [Table Text Block]

	Unrealized Gains (Losses) On Securities			Changes in fair value of derivative contracts designated as hedge transactions			Adjustments For Pension Plans			Total Accumulated Other Comprehensive Loss, Net
Balance January 1, 2019	$	(13	)	$	(8,784	)	$	(33,672	)		(42,469	)
2019 change		—			8,436			(3,277	)		5,159
Balance December 31, 2019		(13	)		(348	)		(36,949	)		(37,310	)
2020 change		—			7,980			(3,559	)		4,421
Balance December 31, 2020		(13	)		7,632			(40,508	)		(32,889	)
2021 change		—			(12,307	)		16,740			4,433
Balance December 31, 2021	$	(13	)	$	(4,675	)	$	(23,768	)	$	(28,456	)

	Income Tax Effect of:
	Unrealized Gains (Losses) On Securities		Changes in fair value of derivative contracts designated as hedge transactions		Adjustments For Pension Plans			Total Accumulated Other Comprehensive Loss, Net
Balance January 1, 2019	$	—	$	—	$	12,575		$	12,575
2019 change		—		—		—			—
Balance December 31, 2019		—		—		12,575			12,575
2020 change		—		—		—			—
Balance December 31, 2020		—		—		12,575			12,575
2021 change		—		4,689		(6,379	)		(1,690	)
Balance December 31, 2021	$	—	$	4,689	$	6,196		$	10,885