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Accumulated Other Comprehensive Income (Loss) (Tables)

9 Months Ended

Sep. 30, 2024

Comprehensive Income (Loss), Net of Tax, Attributable to Parent [Abstract]

Components of Other Comprehensive Income

The following table presents the components of other comprehensive income (loss) for the three and nine months ended September 30, 2024 and 2023:

(dollars in thousands)		Before Tax				Tax Effect				Net of Tax
Three Months Ended September 30, 2024
Net Unrealized Gains on Investment Securities:
Net Unrealized Gains Arising During the Period		$	46,623			$	12,352			$	34,271
Amounts Reclassified from Accumulated Other Comprehensive Income (Loss)    that (Increase) Decrease Net Income:
Amortization of Unrealized Holding Losses on Held-to-Maturity Securities			6,207				1,645				4,562
Net Unrealized Gains on Investment Securities			52,830				13,997				38,833
Defined Benefit Plans:
Amortization of Net Actuarial Losses			291				77				214
Amortization of Prior Service Credit			(62	)			(16	)			(46	)
Defined Benefit Plans, Net			229				61				168
Other Comprehensive Income		$	53,059			$	14,058			$	39,001
Three Months Ended September 30, 2023
Net Unrealized Losses on Investment Securities:
Net Unrealized Losses Arising During the Period		$	(38,035	)		$	(11,439	)		$	(26,596	)
Amounts Reclassified from Accumulated Other Comprehensive Income (Loss)    that (Increase) Decrease Net Income:
Loss on Sale			4,582				1,237				3,345
Amortization of Unrealized Holding Losses on Held-to-Maturity Securities			6,787				1,800				4,987
Net Unrealized Losses on Investment Securities			(26,666	)			(8,402	)			(18,264	)
Defined Benefit Plans:
Amortization of Net Actuarial Losses			177				46				131
Amortization of Prior Service Credit			(62	)			(15	)			(47	)
Defined Benefit Plans, Net			115				31				84
Other Comprehensive Loss		$	(26,551	)		$	(8,371	)		$	(18,180	)
Nine Months Ended September 30, 2024
Net Unrealized Gains on Investment Securities:
Net Unrealized Gains Arising During the Period		$	64,049			$	16,971			$	47,078
Amounts Reclassified from Accumulated Other Comprehensive Income (Loss)    that (Increase) Decrease Net Income:
Amortization of Unrealized Holding Losses on Held-to-Maturity Securities			18,703				4,958				13,745
Net Unrealized Gains on Investment Securities			82,752				21,929				60,823
Defined Benefit Plans:
Amortization of Net Actuarial Losses			873				232				641
Amortization of Prior Service Credit			(184	)			(48	)			(136	)
Defined Benefit Plans, Net			689				184				505
Other Comprehensive Income		$	83,441			$	22,113			$	61,328
Nine Months Ended September 30, 2023
Net Unrealized Losses on Investment Securities:
Net Unrealized Losses Arising During the Period		$	(36,702	)		$	(11,086	)		$	(25,616	)
Amounts Reclassified from Accumulated Other Comprehensive Income (Loss)    that (Increase) Decrease Net Income:
Loss on Sale			4,582				1,237				3,345
Amortization of Unrealized Holding Losses on Held-to-Maturity Securities			20,500				5,434				15,066
Net Unrealized Losses on Investment Securities			(11,620	)			(4,415	)			(7,205	)
Defined Benefit Plans:
Amortization of Net Actuarial Losses			528				140				388
Amortization of Prior Service Credit			(184	)			(48	)			(136	)
Defined Benefit Plans, Net			344				92				252
Other Comprehensive Loss		$	(11,276	)		$	(4,323	)		$	(6,953	)

Schedule of Accumulated Other Comprehensive Income (Loss)

The following table presents the changes in each component of accumulated other comprehensive income (loss), net of tax, for the three and nine months ended September 30, 2024 and 2023:

(dollars in thousands)		Investment Securities- Available- for-Sale				Investment Securities- Held-to-Maturity				Defined Benefit Plans				Accumulated Other Comprehensive Income (Loss)
Three Months Ended September 30, 2024
Balance at Beginning of Period		$	(211,600	)		$	(139,838	)		$	(22,923	)			(374,361	)
Other Comprehensive Income (Loss) Before Reclassifications			34,271				—				—				34,271
Amounts Reclassified from Accumulated Other    Comprehensive Income (Loss)			—				4,562				168				4,730
Total Other Comprehensive Income (Loss)			34,271				4,562				168				39,001
Balance at End of Period		$	(177,329	)		$	(135,276	)		$	(22,755	)		$	(335,360	)
Three Months Ended September 30, 2023
Balance at Beginning of Period		$	(239,803	)		$	(158,718	)		$	(24,910	)			(423,431	)
Other Comprehensive Income (Loss) Before Reclassifications			(26,596	)			—				—				(26,596	)
Amounts Reclassified from Accumulated Other    Comprehensive Income (Loss)			3,345				4,987				84				8,416
Total Other Comprehensive Income (Loss)			(23,251	)			4,987				84				(18,180	)
Balance at End of Period		$	(263,054	)		$	(153,731	)		$	(24,826	)		$	(441,611	)
Nine Months Ended September 30, 2024
Balance at Beginning of Period		$	(224,407	)		$	(149,021	)		$	(23,260	)			(396,688	)
Other Comprehensive Income (Loss) Before Reclassifications			47,078				—				—				47,078
Amounts Reclassified from Accumulated Other    Comprehensive Income (Loss)			—				13,745				505				14,250
Total Other Comprehensive Income (Loss)			47,078				13,745				505				61,328
Balance at End of Period		$	(177,329	)		$	(135,276	)		$	(22,755	)		$	(335,360	)
Nine Months Ended September 30, 2023
Balance at Beginning of Period		$	(240,783	)		$	(168,797	)		$	(25,078	)			(434,658	)
Other Comprehensive Income (Loss) Before Reclassifications			(25,616	)			—				—				(25,616	)
Amounts Reclassified from Accumulated Other    Comprehensive Income (Loss)			3,345				15,066				252				18,663
Total Other Comprehensive Income (Loss)			(22,271	)			15,066				252				(6,953	)
Balance at End of Period		$	(263,054	)		$	(153,731	)		$	(24,826	)		$	(441,611	)

Reclassification out of Accumulated Other Comprehensive Income

The following table presents the amounts reclassified out of each component of accumulated other comprehensive income (loss) for the three and nine months ended September 30, 2024 and 2023:

Details about Accumulated Other Comprehensive Income (Loss) Components		Amount Reclassified from Accumulated Other Comprehensive Income (Loss)1								Affected Line Item in the Statement Where Net Income Is Presented
		Three Months Ended September 30,
(dollars in thousands)		2024				2023
Amortization of Unrealized Holding Gains (Losses) on    Investment Securities Held-to-Maturity		$	(6,207	)		$	(6,787	)		Interest Income
			1,645				1,800			Provision for Income Tax
			(4,562	)			(4,987	)		Net of Tax
Sale of Investment Securities Available-for-Sale			—				(4,582	)		Investment Securities Gains (Losses), Net
			—				1,237			Provision for Income Tax
			—				(3,345	)		Net of tax
Amortization of Defined Benefit Plan Items
Prior Service Credit 2			62				62
Net Actuarial Losses 2			(291	)			(177	)
			(229	)			(115	)		Total Before Tax
			61				31			Provision for Income Tax
			(168	)			(84	)		Net of Tax
Total Reclassifications for the Period		$	(4,730	)		$	(8,416	)		Net of Tax
Details about Accumulated Other Comprehensive Income (Loss) Components		Amount Reclassified from Accumulated Other Comprehensive Income (Loss)1								Affected Line Item in the Statement Where Net Income Is Presented
		Nine Months Ended September 30,
(dollars in thousands)		2024				2023
Amortization of Unrealized Holding Gains (Losses) on    Investment Securities Held-to-Maturity		$	(18,703	)		$	(20,500	)		Interest Income
			4,958				5,434			Provision for Income Tax
			(13,745	)			(15,066	)		Net of Tax
Sale of Investment Securities Available-for-Sale			—				(4,582	)		Investment Securities Gains (Losses), Net
			—				1,237			Provision for Income Tax
			—				(3,345	)		Net of tax
Amortization of Defined Benefit Plan Items
Prior Service Credit 2			184				184
Net Actuarial Losses 2			(873	)			(528	)
			(689	)			(344	)		Total Before Tax
			184				92			Provision for Income Tax
			(505	)			(252	)		Net of Tax
Total Reclassifications for the Period		$	(14,250	)		$	(18,663	)		Net of Tax

1 Amounts in parentheses indicate reductions to net income.

2 These accumulated other comprehensive income (loss) components are included in the computation of net periodic benefit cost and are included in other noninterest expense in the unaudited consolidated statements of income.

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Tabular disclosure of information about items reclassified out of accumulated other comprehensive income (loss).

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- Definition

Tabular disclosure of the components of accumulated other comprehensive income (loss).

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Name Accounting Standards Codification
-Topic 220
-SubTopic 10
-Section 45
-Paragraph 14A
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147482790/220-10-45-14A

Reference 2: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 830
-SubTopic 30
-Name Accounting Standards Codification
-Section 50
-Paragraph 1
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147481674/830-30-50-1

Reference 3: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 830
-SubTopic 30
-Name Accounting Standards Codification
-Section 45
-Paragraph 20
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147481694/830-30-45-20

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- Definition

Tabular disclosure of components of comprehensive income (loss). Includes, but is not limited to, foreign currency translation adjustments, foreign currency transactions designated as economic hedges of a net investment in foreign entity, gain (loss) and prior service cost (credit) for pension plans and other postretirement benefit plans.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Topic 220
-SubTopic 10
-Name Accounting Standards Codification
-Paragraph 1
-Section 45
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147482790/220-10-45-1

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