Accumulated Other Comprehensive Income (AOCI) (Tables)

12 Months Ended

Dec. 31, 2023

Accumulated Other Comprehensive Income (Loss) ("AOCI")

Schedule of changes in AOCI by component

	Year Ended December 31, 2023 and 2022
	Unrealized
	Gains/(Losses) on
	Available-		Defined
	for-Sale		Benefit
	Securities		Pension
	and I/O		Plan
	Strips		Items(1)		Total
	(Dollars in thousands)
Beginning balance January 1, 2023, net of taxes	$	(11,394)	$	(5,462)	$	(16,856)
Other comprehensive income (loss) before reclassification,
net of taxes		4,365		(141)		4,224
Amounts reclassified from other comprehensive income (loss),
net of taxes		—		(98)		(98)
Net current period other comprehensive income (loss),
net of taxes		4,365		(239)		4,126
Ending balance December 31, 2023, net of taxes	$	(7,029)	$	(5,701)	$	(12,730)
Beginning balance January 1, 2022, net of taxes	$	2,153	$	(13,149)	$	(10,996)
Other comprehensive income (loss) before reclassification,
net of taxes		(13,547)		7,395		(6,152)
Amounts reclassified from other comprehensive income (loss),
net of taxes		—		292		292
Net current period other comprehensive income (loss),
net of taxes		(13,547)		7,687		(5,860)
Ending balance December 31, 2022, net of taxes	$	(11,394)	$	(5,462)	$	(16,856)

(1) This AOCI component is included in the computation of net periodic benefit cost (see Note 13—Benefit Plans) and includes split-dollar life insurance benefit plan.

Schedule of reclassifications out of AOCI into net income

	Amounts Reclassified from
	AOCI
	Year Ended
	December 31,						Affected Line Item Where
Details About AOCI Components	2023		2022		2021		Net Income is Presented
	(Dollars in thousands)
Amortization of unrealized gain on securities
available-for-sale that were reclassified to securities
held-to-maturity	$	—	$	—	$	371	Interest income on taxable securities
		—		—		(110)	Income tax expense
		—		—		261	Net of tax
Amortization of defined benefit pension plan items (1)
Prior transition obligation and actuarial losses (2)		191		41		4
Prior service cost and actuarial losses (3)		(53)		(455)		(643)
		138		(414)		(639)	Other noninterest expense
		(40)		122		189	Income tax benefit
		98		(292)		(450)	Net of tax
Total reclassification from AOCI for the period	$	98	$	(292)	$	(189)

(1) This AOCI component is included in the computation of net periodic benefit cost (see Note 13 — Benefit Plans).

(2)   This is related to the split dollar life insurance benefit plan.

(3)   This is related to the supplemental executive retirement plan.