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Fixed Maturity Securities In An Unrealized Loss Position (Tables)

9 Months Ended

Sep. 30, 2025

Investments, Debt and Equity Securities [Abstract]

Securities in an unrealized loss position

The following tables summarize all fixed maturity securities in an unrealized loss position at September 30, 2025 and December 31, 2024 by the length of time those securities have been continuously in an unrealized loss position:

			Less Than 12 Months												12 Months or Greater												Total
(In thousands)			Fair Value						Gross Unrealized Losses						Fair Value						Gross Unrealized Losses						Fair Value						Gross Unrealized Losses
September 30, 2025
U.S. government and government agency			$	797,397					$	9,950					$	261,701					$	9,729					$	1,059,098					$	19,679
State and municipal			124,377						1,781						1,129,946						42,313						1,254,323						44,094
Mortgage-backed			639,327						5,456						948,076						134,882						1,587,403						140,338
Asset-backed			428,088						1,515						550,779						18,713						978,867						20,228
Corporate			434,595						3,389						1,841,143						67,888						2,275,738						71,277
Foreign government			228,800						21,204						332,975						183,858						561,775						205,062
Fixed maturity securities			$	2,652,584					$	43,295					$	5,064,620					$	457,383					$	7,717,204					$	500,678
December 31, 2024
U.S. government and government agency			$	767,515					$	9,637					$	560,260					$	33,226					$	1,327,775					$	42,863
State and municipal			348,116						8,027						1,411,761						81,430						1,759,877						89,457
Mortgage-backed			1,541,464						21,326						1,060,823						171,734						2,602,287						193,060
Asset-backed			411,763						4,613						626,237						36,899						1,038,000						41,512
Corporate			1,791,970						21,346						2,951,377						135,117						4,743,347						156,463
Foreign government			600,103						17,933						476,479						167,440						1,076,582						185,373
Fixed maturity securities			$	5,460,931					$	82,882					$	7,086,937					$	625,846					$	12,547,868					$	708,728

Non-Investment Grade Fixed Maturity Securities

A summary of the Company’s non-investment grade fixed maturity securities that were in an unrealized loss position at September 30, 2025 is presented in the table below:

($ in thousands)			Number of Securities						Aggregate Fair Value						Gross Unrealized Loss
Foreign government			75						$	189,418					$	194,357
Corporate			28						51,508						1,533
State and municipal			6						28,795						1,256
Mortgage-backed			15						2,404						191
Asset-backed			1						2						1
Total			125						$	272,127					$	197,338

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Non Investment Grade Marketable Securities Fixed Maturity Securities In An Unrealized Loss Position [Table Text Block]

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Securities In Continuous Unrealized Loss Position.

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