Accumulated Other Comprehensive Income (Loss)

6 Months Ended

Jun. 30, 2023

Equity [Abstract]

Accumulated Other Comprehensive Income (Loss)

ACCUMULATED OTHER COMPREHENSIVE INCOME (LOSS)

The following table summarizes the changes within each classification of AOCI, net of tax:

(dollars in thousands)	Unrealized Gains and Losses on Available- for-Sale Debt Securities		Unrealized Gains and Losses on Held-to- Maturity Securities		Gains and Losses on Hedges		Defined Benefit Pension Plans		Total
Three Months Ended June 30, 2023
Balance at beginning of period	$	(611,260)	$	(106,966)	$	9,872	$	(4)	$	(708,358)
Other comprehensive income (loss) before    reclassifications	(90,121)		—		9,840		—		(80,281)
Amounts reclassified from AOCI to income (1)	(12)		3,822		(23,808)		4		(19,994)
Balance at end of period	$	(701,393)	$	(103,144)	$	(4,096)	$	—	$	(808,633)
Three Months Ended June 30, 2022
Balance at beginning of period	$	(314,364)	$	(16,727)	$	(7,132)	$	24	$	(338,199)
Other comprehensive income (loss) before    reclassifications	(122,776)		(108,266)		(2,578)		—		(233,620)
Amounts reclassified from AOCI to income (1)	65		2,794		(165)		(8)		2,686
Balance at end of period	$	(437,075)	$	(122,199)	$	(9,875)	$	16	$	(569,133)
Six Months Ended June 30, 2023
Balance at beginning of period	$	(642,346)	$	(112,664)	$	(31,549)	$	137	$	(786,422)
Other comprehensive income (loss) before    reclassifications	(62,902)		1,325		45,825		—		(15,752)
Amounts reclassified from AOCI to income (1)	3,855		8,195		(18,372)		(137)		(6,459)
Balance at end of period	$	(701,393)	$	(103,144)	$	(4,096)	$	—	$	(808,633)
Six Months Ended June 30, 2022
Balance at beginning of period	$	(2,950)	$	—	$	543	$	32	$	(2,375)
Other comprehensive income (loss) before    reclassifications	(433,929)		(125,229)		(9,748)		—		(568,906)
Amounts reclassified from AOCI to income (1)	(196)		3,030		(670)		(16)		2,148
Balance at end of period	$	(437,075)	$	(122,199)	$	(9,875)	$	16	$	(569,133)

(1)See table below for details about reclassifications to income.

The following table summarizes the amounts reclassified out of each component of AOCI for the three months ended June 30, 2023 and 2022:

	Three Months Ended June 30,
(dollars in thousands)	2023		2022
Details about AOCI Components	Amount Reclassified from AOCI				Affected Line Item in the Statement of Income
Unrealized gains and losses on    available-for-sale securities	$	17	$	(85)	Debt securities gains (losses), net
	(5)		20		Income tax (expense) benefit
	$	12	$	(65)	Net income (loss)
Unrealized gains and losses on    held-to-maturity securities	$	(5,122)	$	(3,692)	Interest income (expense)
	1,300		898		Income tax (expense) benefit
	$	(3,822)	$	(2,794)	Net income (loss)
Gains and losses on hedges    Interest rate contracts	$	32,112	$	219	Interest income (expense)
	(8,304)		(54)		Income tax (expense) benefit
	$	23,808	$	165	Net income (loss)
Amortization of defined benefit    pension items
Actuarial gains (losses)	$	(6)	$	10	Salaries and employee benefits
	2		(2)		Income tax (expense) benefit
	$	(4)	$	8	Net income (loss)
Total reclassifications for the period	$	19,994	$	(2,686)	Net income (loss)

The following table summarizes the amounts reclassified out of each component of AOCI for the six months ended June 30, 2023 and 2022:

	Six Months Ended June 30,
(dollars in thousands)	2023		2022
Details about AOCI Components	Amount Reclassified from AOCI				Affected Line Item in the Statement of Income
Unrealized gains and losses on    available-for-sale securities	$	(5,199)	$	257	Debt securities gains (losses), net
	1,344		(61)		Income tax (expense) benefit
	$	(3,855)	$	196	Net income (loss)
Unrealized gains and losses on    held-to-maturity securities	$	(10,951)	$	(4,002)	Interest income (expense)
	2,756		972		Income tax (expense) benefit
	$	(8,195)	$	(3,030)	Net income (loss)
Gains and losses on hedges    Interest rate contracts	$	24,820	$	888	Interest income (expense)
	(6,448)		(218)		Income tax (expense) benefit
	$	18,372	$	670	Net income (loss)
Amortization of defined benefit    pension items
Actuarial gains (losses)	$	182	$	21	Salaries and employee benefits
	(45)		(5)		Income tax (expense) benefit
	$	137	$	16	Net income (loss)
Total reclassifications for the period	$	6,459	$	(2,148)	Net income (loss)