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

3 Months Ended

Mar. 31, 2022

Accumulated Other Comprehensive Income ("AOCI")

Schedule of changes in AOCI by component

	Three Months Ended March 31, 2022 and 2021
			Unamortized
			Unrealized
	Unrealized		Gain on
	Gains (Losses) on		Available-
	Available-		for-Sale		Defined
	for-Sale		Securities		Benefit
	Securities		Reclassified		Pension
	and I/O		to Held-to-		Plan
	Strips		Maturity		Items(1)		Total
	(Dollars in thousands)
Beginning balance January 1, 2022, net of taxes	$	2,153	$	—	$	(13,149)	$	(10,996)
Other comprehensive (loss) before reclassification,
net of taxes		(3,128)		—		(3)		(3,131)
Amounts reclassified from other comprehensive income,
net of taxes		—		—		73		73
Net current period other comprehensive income (loss),
net of taxes		(3,128)		—		70		(3,058)
Ending balance March 31, 2022, net of taxes	$	(975)	$	—	$	(13,079)	$	(14,054)
Beginning balance January 1, 2021, net of taxes	$	3,929	$	261	$	(14,907)	$	(10,717)
Other comprehensive (loss) before reclassification,
net of taxes		(602)		—		(53)		(655)
Amounts reclassified from other comprehensive income (loss),
net of taxes		—		(9)		113		104
Net current period other comprehensive income (loss),
net of taxes		(602)		(9)		60		(551)
Ending balance March 31, 2021, net of taxes	$	3,327	$	252	$	(14,847)	$	(11,268)

(1) This AOCI component is included in the computation of net periodic benefit cost (see Note 8—Benefit Plans) and includes split-dollar life insurance benefit plan.

Schedule of reclassifications out of AOCI into net income

	Amounts Reclassified from
	AOCI
	Three Months Ended
	March 31,				Affected Line Item Where
Details About AOCI Components	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	$	—	$	13	Interest income on taxable securities
		—		(4)	Income tax expense
		—		9	Net of tax
Amortization of defined benefit pension plan items (1)
Prior transition obligation and actuarial losses (2)		11		1
Prior service cost and actuarial losses (3)		(114)		(161)
		(103)		(160)	Other noninterest expense
		30		47	Income tax benefit
		(73)		(113)	Net of tax
Total reclassification from AOCI for the period	$	(73)	$	(104)

(1) This AOCI component is included in the computation of net periodic benefit cost (see Note 8—Benefit Plans).

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

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