Note 14 - Accumulated Other Comprehensive Loss (Tables)

12 Months Ended

Dec. 31, 2019

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, 2017	$	1,454		$	(5,260	)	$	(30,796	)	$	(34,602	)
2017 change		2,265			10,290			(1,326	)		11,229
Balance December 31, 2017		3,719			5,030			(32,122	)		(23,373	)
Change in accounting		(1,289	)		—			—			(1,289	)
2018 change		(2,443	)		(13,814	)		(1,550	)		(17,807	)
Balance December 31, 2018		(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	)

	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, 2017	$	627		$	—	$	10,120	$	10,747
2017 change		1,164			—		—		1,164
Balance December 31, 2017		1,791			—		10,120		11,911
2018 change		(1,791	)		—		2,455		664
Balance December 31, 2018		—			—		12,575		12,575
2019 change		—			—		—		—
Balance December 31, 2019	$	—		$	—	$	12,575	$	12,575