Note 6 - Components of Accumulated Other Comprehensive Loss (Tables)

6 Months Ended

Jun. 30, 2023

Notes Tables

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

	Net Unrealized Loss on Securities			Adjustments Related to Pension Benefits			Accumulated Other Comprehensive Loss
Balance at March 31, 2022	$	(30,972	)	$	(6,912	)	$	(37,884	)
Unrealized holding loss on available for sale securities, net of tax of ($6,617)		(24,893	)		-			(24,893	)
Balance at June 30, 2022	$	(55,865	)	$	(6,912	)	$	(62,777	)
Balance at March 31, 2023	$	(69,692	)	$	(2,345	)	$	(72,037	)
Unrealized holding loss on available for sale securities, net of tax of ($1,289)		(4,848	)		-			(4,848	)
Reclassification adjustment, net of tax of $702		2,642			-			2,642
Balance at June 30, 2023	$	(71,898	)	$	(2,345	)	$	(74,243	)

	Net Unrealized Gain (Loss) on Securities			Adjustments Related to Pension Benefits			Accumulated Other Comprehensive Loss
Balance at December 31, 2021	$	2,854		$	(6,912	)	$	(4,058	)
Unrealized holding loss on available for sale securities, net of tax of ($15,609)		(58,719	)		-			(58,719	)
Balance at June 30, 2022	$	(55,865	)	$	(6,912	)	$	(62,777	)
Balance at December 31, 2022	$	(81,421	)	$	(2,345	)	$	(83,766	)
Unrealized holding gain on available for sale securities, net of tax of $1,831		6,891			-			6,891
Reclassification adjustment, net of tax of $700		2,632			-			2,632
Balance at June 30, 2023	$	(71,898	)	$	(2,345	)	$	(74,243	)