Accumulated Other Comprehensive Income (Loss) (Tables)

3 Months Ended

Mar. 31, 2021

Accumulated Other Comprehensive Income (Loss), Net of Tax [Abstract]

Schedule Of Accumulated Other Comprehensive Income (Loss)

Accumulated other comprehensive (loss) income included the following as of March 31, 2021 and December 31, 2020:

	March 31, 2021						December 31, 2020
(Dollars in thousands)	Accumulated other comprehensive income (loss)		Deferred tax expense (benefit)		Accumulated other comprehensive income (loss), net of tax		Accumulated other comprehensive income (loss)		Deferred tax expense (benefit)		Accumulated other comprehensive income (loss), net of tax
Unrealized gains on securities available for sale	$	36,570	$	8,411	$	28,159	$	102,278	$	23,524	$	78,754
Unrealized gains on securities available for sale transferred from (to) held to maturity	4,924		1,133		3,791		5,399		1,242		4,157
Defined benefit pension items	(85,222)		(19,601)		(65,621)		(91,751)		(21,103)		(70,648)
Total	$	(43,728)	$	(10,057)	$	(33,671)	$	15,926	$	3,663	$	12,263

The following table highlights changes in accumulated other comprehensive (loss) income by component for the three months ended March 31, 2021 and 2020:

	Three months ended March 31, 2021
(Dollars in thousands, net of tax)	Unrealized gains on securities available for sale		Unrealized gains on securities available for sale transferred to held to maturity		Defined benefit pension items		Total
Beginning balance	$	78,754	$	4,157	$	(70,648)	$	12,263
Net unrealized losses arising during period	(43,506)		—		—		(43,506)
Amounts reclassified from accumulated other comprehensive income	(7,089)		(366)		5,027		(2,428)
Net current period other comprehensive (loss) income	(50,595)		(366)		5,027		(45,934)
Ending balance	$	28,159	$	3,791	$	(65,621)	$	(33,671)
	Three months ended March 31, 2020
(Dollars in thousands, net of tax)	Unrealized gains on securities available for sale		Unrealized gains on securities available for sale transferred to held to maturity		Defined benefit pension items		Total
Beginning balance	$	5,792	$	—	$	(132,515)	$	(126,723)
Net unrealized gains arising during period	111,530		—		—		111,530
Amounts reclassified from accumulated other comprehensive loss	(15,242)		—		4,823		(10,419)
Net current period other comprehensive income	96,288		—		4,823		101,111
Ending balance	$	102,080	$	—	$	(127,692)	$	(25,612)

Reclassification out of Accumulated Other Comprehensive Income

The following table presents the amounts reclassified from accumulated other comprehensive (loss) income and the line item affected in the statement where net income is presented for the three and three months ended March 31, 2021 and 2020:

(Dollars in thousands)	Three months ended March 31, 2021
Details about accumulated other comprehensive income (loss)	Amounts reclassified from accumulated other comprehensive income (loss)		Affected line item in the statement where net income is presented
Unrealized gains on securities available for sale	$	9,207	Realized gains on investment securities available for sale, net
	(2,118)		Income taxes
	$	7,089
Accretion of unrealized gains on securities available for sale transferred to held to maturity	$	475	Net interest income
	(109)		Income taxes
	$	366
Amortization of defined benefit pension actuarial losses	(6,529)		Other noninterest expense
	1,502		Income taxes
	$	(5,027)
Total reclassifications for the period	$	2,428
(Dollars in thousands)	Three months ended March 31, 2020
Details about accumulated other comprehensive income (loss)	Amounts reclassified from accumulated other comprehensive income (loss)		Affected line item in the statement where net income is presented
Unrealized gains on securities available for sale	$	19,795	Realized gains on investment securities available for sale, net
	(4,553)		Income taxes
	$	15,242
Amortization of defined benefit pension actuarial losses	(6,264)		Other noninterest expense
	1,441		Income taxes
	$	(4,823)
Total reclassifications for the period	$	10,419