Accumulated Other Comprehensive Income (Loss) (Tables)

6 Months Ended

Jun. 30, 2020

Accumulated Other Comprehensive Income (Loss).

Schedule of changes in accumulated other comprehensive income (loss)

			Income
			Tax
	Pre-tax		Benefit		Net of
(dollars in thousands)	Amount		(Expense)		Tax
Accumulated other comprehensive income at March 31, 2020	$	5,629	$	(1,500)	$	4,129
Three months ended June 30, 2020
Investment securities:
Unrealized net gains arising during the period		66,071		(17,624)		48,447
Reclassification of net losses to net income:
Investment securities losses, net		211		(56)		155
Net change in investment securities		66,282		(17,680)		48,602
Other comprehensive income		66,282		(17,680)		48,602
Accumulated other comprehensive income at June 30, 2020	$	71,911	$	(19,180)	$	52,731

			Income
			Tax
	Pre-tax		Benefit		Net of
(dollars in thousands)	Amount		(Expense)		Tax
Accumulated other comprehensive loss at December 31, 2019	$	(43,450)	$	11,701	$	(31,749)
Six months ended June 30, 2020
Change in Company tax rate		—		(96)		(96)
Net change in pension and other benefits		—		(96)		(96)
Investment securities:
Unrealized net gains arising during the period		115,235		(30,751)		84,484
Reclassification of net losses to net income:
Investment securities losses, net		126		(34)		92
Net change in investment securities		115,361		(30,785)		84,576
Other comprehensive income		115,361		(30,881)		84,480
Accumulated other comprehensive income at June 30, 2020	$	71,911	$	(19,180)	$	52,731

			Income
			Tax
	Pre-tax		Benefit		Net of
(dollars in thousands)	Amount		(Expense)		Tax
Accumulated other comprehensive loss at March 31, 2019	$	(107,779)	$	29,025	$	(78,754)
Three months ended June 30, 2019
Pension and other benefits:
Net actuarial losses arising during the period		(813)		219		(594)
Net change in pension and other benefits		(813)		219		(594)
Investment securities:
Unrealized net gains arising during the period		64,841		(17,462)		47,379
Reclassification of net gains to net income:
Investment securities gains, net		(21)		6		(15)
Net change in investment securities		64,820		(17,456)		47,364
Other comprehensive income		64,007		(17,237)		46,770
Accumulated other comprehensive loss at June 30, 2019	$	(43,772)	$	11,788	$	(31,984)

			Income
			Tax
	Pre-tax		Benefit		Net of
(dollars in thousands)	Amount		(Expense)		Tax
Accumulated other comprehensive loss at December 31, 2018	$	(180,915)	$	48,720	$	(132,195)
Six months ended June 30, 2019
Pension and other benefits:
Net actuarial losses arising during the year		(813)		219		(594)
Net change in pension and other benefits		(813)		219		(594)
Investment securities:
Unrealized net gains arising during the period		135,364		(36,453)		98,911
Reclassification of net losses to net income:
Investment securities losses, net		2,592		(698)		1,894
Net change in investment securities		137,956		(37,151)		100,805
Other comprehensive income		137,143		(36,932)		100,211
Accumulated other comprehensive loss at June 30, 2019	$	(43,772)	$	11,788	$	(31,984)

Summary of changes in accumulated other comprehensive income (loss), net of tax

	Pensions				Accumulated
	and				Other
	Other		Investment		Comprehensive
(dollars in thousands)	Benefits		Securities		Income (Loss)
Three Months Ended June 30, 2020
Balance at beginning of period	$	(28,178)	$	32,307	$	4,129
Other comprehensive income		—		48,602		48,602
Balance at end of period	$	(28,178)	$	80,909	$	52,731
Six Months Ended June 30, 2020
Balance at beginning of period	$	(28,082)	$	(3,667)	$	(31,749)
Other comprehensive income		(96)		84,576		84,480
Balance at end of period	$	(28,178)	$	80,909	$	52,731
Three Months Ended June 30, 2019
Balance at beginning of period	$	(28,379)	$	(50,375)	$	(78,754)
Other comprehensive income		(594)		47,364		46,770
Balance at end of period	$	(28,973)	$	(3,011)	$	(31,984)
Six Months Ended June 30, 2019
Balance at beginning of period	$	(28,379)	$	(103,816)	$	(132,195)
Other comprehensive income		(594)		100,805		100,211
Balance at end of period	$	(28,973)	$	(3,011)	$	(31,984)