Note 15 - Accumulated Other Comprehensive (Loss) Income (Tables)

3 Months Ended

Mar. 31, 2024

Notes Tables

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

	For the Three Months Ended March 31, 2024
Dollars in thousands	Gains and (Losses) on Pension Plan		Gains and (Losses) on Other Post-Retirement Benefits		Gains and (Losses) on Cash Flow Hedges		Unrealized Gains (Losses) on Debt Securities Available for Sale			Unrealized Gains (Losses) on Securities Fair Value Hedge		Total
Beginning balance	$	19	$	147	$	15,820	$	(29,211	)	$	5,740	$	(7,485	)
Other comprehensive (loss) income before reclassification		—		—		1,350		(2,766	)		1,581		165
Amounts reclassified from accumulated other comprehensive loss, net of tax		—		—		—		71			—		71
Net current period other comprehensive (loss) income		—		—		1,350		(2,695	)		1,581		236
Ending balance	$	19	$	147	$	17,170	$	(31,906	)	$	7,321	$	(7,249	)

	For the Three Months Ended March 31, 2023
Dollars in thousands	Gains and (Losses) on Pension Plan			Gains and (Losses) on Other Post-Retirement Benefits		Gains and (Losses) on Cash Flow Hedges			Unrealized Gains (Losses) on Debt Securities Available for Sale			Unrealized Gains (Losses) on Securities Fair Value Hedge			Total
Beginning balance	$	(23	)	$	172	$	20,867		$	(37,901	)	$	5,406		$	(11,479	)
Other comprehensive income (loss) before reclassification		—			—		(3,136	)		7,493			(948	)		3,409
Amounts reclassified from accumulated other comprehensive loss, net of tax		—			—		—			45			—			45
Net current period other comprehensive income (loss)		—			—		(3,136	)		7,538			(948	)		3,454
Ending balance	$	(23	)	$	172	$	17,731		$	(30,363	)	$	4,458		$	(8,025	)