ACCUMULATED OTHER COMPREHENSIVE INCOME (LOSS)

12 Months Ended

Dec. 31, 2025

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

ACCUMULATED OTHER COMPREHENSIVE INCOME (LOSS)

17. ACCUMULATED OTHER COMPREHENSIVE INCOME (LOSS)

The following table presents the components of other comprehensive income (loss) for the years ended December 31, 2025, 2024 and 2023, by component:

	Year ended December 31, 2025
(Dollars in thousands)	Before Tax		Tax Effect		Net of Tax
Net change in fair value of investment securities:
Net unrealized gains on investment securities arising during the period	$	34,764	$	9,167	$	25,597
Less: Reclassification adjustment for losses realized in net income	30		8		22
Less: Amortization of unrealized losses on investment securities transferred to HTM	6,762		1,784		4,978
Net change in fair value of investment securities	41,556		10,959		30,597
Net change in fair value of derivative:
Net unrealized gains arising during the period	(4,420)		(1,166)		(3,254)
SERP:
Net actuarial losses arising during the period	(256)		(67)		(189)
Other comprehensive income	$	36,880	$	9,726	$	27,154

	Year ended December 31, 2024
(Dollars in thousands)	Before Tax		Tax Effect		Net of Tax
Net change in fair value of investment securities:
Net unrealized losses on investment securities arising during the period	$	(8,310)	$	(2,170)	$	(6,140)
Less: Reclassification adjustment for losses realized in net income	9,934		2,620		7,314
Less: Amortization of unrealized losses on investment securities transferred to HTM	7,159		1,902		5,257
Net change in fair value of investment securities	8,783		2,352		6,431
Net change in fair value of derivative:
Net unrealized gains arising during the period	1,988		523		1,465
SERP:
Net actuarial gains arising during the period	379		99		280
Amortization of net actuarial losses	(2)		—		(2)
SERP	377		99		278
Other comprehensive income	$	11,148	$	2,974	$	8,174

	Year ended December 31, 2023
(Dollars in thousands)	Before Tax		Tax Effect		Net of Tax
Net change in fair value of investment securities:
Net unrealized gains on investment securities arising during the period	$	19,762	$	5,437	$	14,325
Less: Reclassification adjustment for losses realized in net income	2,074		547		1,527
Less: Amortization of unrealized losses on investment securities transferred to HTM	7,440		2,105		5,335
Net change in fair value of investment securities	29,276		8,089		21,187
Net change in fair value of derivative:
Net unrealized gains arising during the period	491		107		384
Defined benefit retirement plan and SERP:
Net actuarial losses arising during the period	(182)		(48)		(134)
Amortization of net actuarial losses	(74)		(20)		(54)
Amortization of net transition obligation	7		2		5
Defined benefit retirement plan and SERP	(249)		(66)		(183)
Other comprehensive income	$	29,518	$	8,130	$	21,388

The following table presents the changes in each component of AOCI, net of tax, for the years ended December 31, 2025, 2024 and 2023:

	Year ended December 31, 2025
(Dollars in thousands)	Investment Securities		Derivatives		Defined Benefit Plans		AOCI
Balance at beginning of period	$	(121,491)	$	6,494	$	575	$	(114,422)
Other comprehensive (loss) income before reclassifications	25,597		(3,254)		(189)		22,154
Amounts reclassified from AOCI	5,000		—		—		5,000
Net other comprehensive income	30,597		(3,254)		(189)		27,154
Balance at end of period	$	(90,894)	$	3,240	$	386	$	(87,268)

	Year ended December 31, 2024
(Dollars in thousands)	Investment Securities		Derivatives		Defined Benefit Plans		AOCI
Balance at beginning of period	$	(127,922)	$	5,029	$	297	$	(122,596)
Other comprehensive (loss) income before reclassifications	(6,140)		1,465		280		(4,395)
Amounts reclassified from AOCI	12,571		—		(2)		12,569
Net other comprehensive income (loss)	6,431		1,465		278		8,174
Balance at end of period	$	(121,491)	$	6,494	$	575	$	(114,422)

	Year ended December 31, 2023
(Dollars in thousands)	Investment Securities		Derivatives		Defined Benefit Plans		AOCI
Balance at beginning of period	$	(149,109)	$	4,645	$	480	$	(143,984)
Other comprehensive income (loss) before reclassifications	14,325		384		(134)		14,575
Amounts reclassified from AOCI	6,862		—		(49)		6,813
Net other comprehensive (loss) income	21,187		384		(183)		21,388
Balance at end of period	$	(127,922)	$	5,029	$	297	$	(122,596)

The following table presents the amounts reclassified out of each component of AOCI for the years ended December 31, 2025, 2024 and 2023:

	Amount Reclassified from AOCI						Affected Line Item in the
	Year ended December 31,						Statement Where Net
Details about AOCI Components	2025		2024		2023		Income is Presented
	(Dollars in thousands)
Sale of available-for-sale investment securities:
Realized loss on sale of available-for-sale investment securities	$	30	$	9,934	$	2,074	Net loss on sales of investment securities
Tax effect	(8)		(2,620)		(547)		Income tax benefit
Net of tax	$	22	$	7,314	$	1,527
Amortization of unrealized losses on investment securities transferred to HTM	$	6,762	$	7,159	$	7,440	Interest and dividends on investment securities
Tax effect	(1,784)		(1,902)		(2,105)		Income tax benefit
Net of tax	$	4,978	$	5,257	$	5,335
Defined benefit plan items:
Amortization of net actuarial (gains) losses	$	—	$	(2)	$	(74)	Other operating expense - other (1)
Amortization of net transition obligation	—		—		7		Other operating expense - other (1)
Total before tax	—		(2)		(67)
Tax effect	—		1		18		Income tax expense (benefit)
Net of tax	$	—	$	(1)	$	(49)
Total reclassifications, net of tax	$	5,000	$	12,570	$	6,813

(1)These accumulated other comprehensive income components are included in the computation of net periodic benefit cost (see Note 14 - Retirement Benefits for additional details).