Accumulated Other Comprehensive Income (Loss) (Tables)

6 Months Ended

Jun. 30, 2025

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

Schedule of Changes in Accumulated Other Comprehensive Income (Loss) by Component, Including Amounts Reclassified to Other Comprehensive Income (Loss) and the Related Line Item in the Consolidated Statements of Operations Where Net Income is Presented

Changes in accumulated other comprehensive income ("AOCI") (loss) by component, including amounts reclassified to other comprehensive income ("OCI") (loss) and the related line item in the Consolidated Statements of Operations where net income is presented, are as follows:

	Three months ended						Three months ended
	June 30, 2025						June 30, 2024
(in thousands)	Before Tax		Income Tax		Net		Before Tax		Income Tax		Net
Investment securities:
AOCI (loss), beginning of period	$	(15,128)	$	(3,178)	$	(11,950)	$	(32,356)	$	(6,795)	$	(25,561)
OCI (loss) before reclassifications	6,774		1,423		5,351		(627)		(132)		(495)
Realized investment losses	431		91		340		2,375		499		1,876
Impairment losses	721		151		570		203		43		160
OCI	7,926		1,665		6,261		1,951		410		1,541
AOCI (loss), end of period	$	(7,202)	$	(1,513)	$	(5,689)	$	(30,405)	$	(6,385)	$	(24,020)
Pension and other postretirement plans:
AOCI (loss), beginning of period	$	(38,511)	$	(8,087)	$	(30,424)	$	13,077	$	2,746	$	10,331
OCI (loss) before reclassifications	—		—		—		(1,731)		(364)		(1,367)
Amortization of prior service costs	422		88		334		397		83		314
Amortization of net actuarial gain	(655)		(138)		(517)		(1,734)		(364)		(1,370)
Settlement gain	—		—		—		(1,279)		(268)		(1,011)
OCI (loss)	(233)		(50)		(183)		(4,347)		(913)		(3,434)
AOCI (loss), end of period	$	(38,744)	$	(8,137)	$	(30,607)	$	8,730	$	1,833	$	6,897
Total
AOCI (loss), beginning of period	$	(53,639)	$	(11,265)	$	(42,374)	$	(19,279)	$	(4,049)	$	(15,230)
Investment securities	7,926		1,665		6,261		1,951		410		1,541
Pension and other postretirement plans	(233)		(50)		(183)		(4,347)		(913)		(3,434)
OCI (loss)	7,693		1,615		6,078		(2,396)		(503)		(1,893)
AOCI (loss), end of period	$	(45,946)	$	(9,650)	$	(36,296)	$	(21,675)	$	(4,552)	$	(17,123)
	Six months ended						Six months ended
	June 30, 2025						June 30, 2024
(in thousands)	Before Tax		Income Tax		Net		Before Tax		Income Tax		Net
Investment securities:
AOCI (loss), beginning of period	$	(22,442)	$	(4,714)	$	(17,728)	$	(31,402)	$	(6,595)	$	(24,807)
OCI (loss) before reclassifications	13,461		2,827		10,634		(2,181)		(458)		(1,723)
Realized investment losses	693		146		547		2,637		554		2,083
Impairment losses	1,086		228		858		541		114		427
OCI	15,240		3,201		12,039		997		210		787
AOCI (loss), end of period	$	(7,202)	$	(1,513)	$	(5,689)	$	(30,405)	$	(6,385)	$	(24,020)
Pension and other postretirement plans:
AOCI (loss), beginning of period	$	(37,802)	$	(7,939)	$	(29,863)	$	14,439	$	3,032	$	11,407
OCI (loss) before reclassifications	—		—		—		(1,731)		(364)		(1,367)
Amortization of prior service costs	844		177		667		786		165		621
Amortization of net actuarial gain	(1,309)		(275)		(1,034)		(3,485)		(732)		(2,753)
Settlement gain	(477)		(100)		(377)		(1,279)		(268)		(1,011)
OCI (loss)	(942)		(198)		(744)		(5,709)		(1,199)		(4,510)
AOCI (loss), end of period	$	(38,744)	$	(8,137)	$	(30,607)	$	8,730	$	1,833	$	6,897
Total
AOCI (loss), beginning of period	$	(60,244)	$	(12,653)	$	(47,591)	$	(16,963)	$	(3,563)	$	(13,400)
Investment securities	15,240		3,201		12,039		997		210		787
Pension and other postretirement plans	(942)		(198)		(744)		(5,709)		(1,199)		(4,510)
OCI (loss)	14,298		3,003		11,295		(4,712)		(989)		(3,723)
AOCI (loss), end of period	$	(45,946)	$	(9,650)	$	(36,296)	$	(21,675)	$	(4,552)	$	(17,123)