Liability for Unpaid Losses and Loss Adjustment Expense (Tables)

12 Months Ended

Dec. 31, 2025

Insurance [Abstract]

Schedule of Incurred and Paid Claims and Claims Adjustment Expense

$ In thousands (except number of reported claims)

	Incurred Claims and Allocated Claim Adjustment Expenses, Net of Reinsurance For the Years Ended December 31,																				As of December 31, 2025
																					Total of IBNR Liabilities Plus
																			Audited		Expected Development			Cumulative Number of
Accident Year	2016		2017		2018		2019		2020		2021		2022		2023		2024		2025		on Reported Claims			Reported Claims
2016	$	68,980	$	66,742	$	74,195	$	78,078	$	79,372	$	80,322	$	89,869	$	73,526	$	40,371	$	40,023	$	—			1,145
2017		—		61,644		65,178		68,513		69,886		72,982		74,771		69,001		78,782		79,948		6,995			4,246
2018		—		—		51,100		46,382		45,458		44,604		61,877		45,781		67,908		67,722		(755	)		3,680
2019		—		—		—		89,107		101,577		102,812		64,911		97,479		70,596		71,062		1,898			5,012
2020		—		—		—		—		71,816		50,622		45,611		64,055		88,589		91,574		(932	)		4,667
2021		—		—		—		—		—		71,731		65,061		58,459		31,737		32,615		1,580			1,804
2022		—		—		—		—		—		—		45,365		43,625		77,959		76,098		5,542			1,538
2023		—		—		—		—		—		—		—		20,038		20,813		17,858		2,727			379
2024		—		—		—		—		—		—		—		—		33,727		28,392		5,164			457
2025		—		—		—		—		—		—		—		—		—		17,610		10,723			247
																	Total		$	522,902

	Cumulative Paid Claims and Allocated Claim Adjustment Expenses, Net of Reinsurance For the Years Ended December 31,
																			Audited
Accident Year	2016		2017		2018		2019		2020		2021		2022		2023		2024		2025
2016	$	25,567	$	32,651	$	35,548	$	37,844	$	38,700	$	39,940	$	54,497	$	40,017	$	40,021	$	40,022
2017		—		40,467		62,353		64,329		73,683		80,460		84,933		54,143		61,771		68,283
2018		—		—		27,852		54,551		61,885		66,848		82,443		67,193		68,496		68,433
2019		—		—		—		38,428		57,041		62,133		34,768		64,274		64,817		66,424
2020		—		—		—		—		33,532		56,201		79,570		84,525		87,433		91,085
2021		—		—		—		—		—		19,754		28,506		32,033		35,492		32,476
2022		—		—		—		—		—		—		16,645		51,748		64,360		69,371
2023		—		—		—		—		—		—		—		8,993		13,557		14,855
2024		—		—		—		—		—		—		—		—		8,893		21,843
2025		—		—		—		—		—		—		—		—		—		6,052
																	Total		$	478,844
							All outstanding liabilities before 2016, net of reinsurance													3
					Liabilities for claims and claim adjustment expenses, net of reinsurance														$	44,061

Short-duration Insurance Contracts, Schedule of Historical Claims Duration

The following is supplementary information about average historical claims duration as of December 31, 2025.

Average Annual Percentage Payout of Incurred Claims by Age, Net of Reinsurance
Years	1			2			3			4			5			6			7			8			9			10
		50.7	%		23.3	%		11.7	%		7.5	%		3.8	%		1.5	%		1.0	%		0.3	%		0.2	%		0.0	%

Short-duration Insurance Contracts, Reconciliation of Claims Development to Liability

The reconciliation of the net incurred and paid claims development tables to the liability for claims and claim adjustment expenses in the consolidated statement of financial position is as follows.

	December 31,
	2025		2024
Net outstanding liabilities
Commercial Property Insurance	$	44,061	$	65,645
Liabilities for unpaid claims and claim adjustment expenses, net of reinsurance		44,061		65,645
Reinsurance recoverable on unpaid claims
Commercial Property Insurance		116,772		249,276
Total reinsurance recoverable on unpaid claims		116,772		249,276
Unallocated claims adjustment expenses		4,868		7,166
Total gross liability for unpaid claims and claims adjustment expense	$	165,701	$	322,087

Schedule of Liability for Unpaid Claims and Claims Adjustment Expense

The table below shows the analysis of our reserve for unpaid losses for each of our last three fiscal years on a GAAP basis:

	2025			2024			2023
Balance at January 1	$	322,087		$	347,738		$	816,489
Less: reinsurance recoverable on unpaid losses		249,276			271,736			731,666
Net balance at January 1		72,811			76,002			84,823
Incurred related to:
Current year		51,867			73,023			59,372
Prior years		(5,827	)		(3,704	)		(12,694	)
Total incurred		46,040			69,319			46,678
Paid related to:
Current year		38,173			44,913			41,392
Prior years		31,749			27,597			14,107
Total paid		69,922			72,510			55,499
Net balance at December 31		48,929			72,811			76,002
Plus: reinsurance recoverable on unpaid losses		116,772			249,276			271,736
Balance at December 31		165,701			322,087			347,738
Composition of reserve for unpaid losses and LAE:
Case reserves		29,522			55,265			109,219
IBNR reserves		136,179			266,822			238,519
Balance at December 31	$	165,701		$	322,087		$	347,738

Schedule Of Incurred And Paid Claims And Claims Adjustment Expense [Table Text Block]

$ In thousands (except number of reported claims)

	Incurred Claims and Allocated Claim Adjustment Expenses, Net of Reinsurance For the Years Ended December 31,																				As of December 31, 2025
																					Total of IBNR Liabilities Plus
																			Audited		Expected Development			Cumulative Number of
Accident Year	2016		2017		2018		2019		2020		2021		2022		2023		2024		2025		on Reported Claims			Reported Claims
2016	$	68,980	$	66,742	$	74,195	$	78,078	$	79,372	$	80,322	$	89,869	$	73,526	$	40,371	$	40,023	$	—			1,145
2017		—		61,644		65,178		68,513		69,886		72,982		74,771		69,001		78,782		79,948		6,995			4,246
2018		—		—		51,100		46,382		45,458		44,604		61,877		45,781		67,908		67,722		(755	)		3,680
2019		—		—		—		89,107		101,577		102,812		64,911		97,479		70,596		71,062		1,898			5,012
2020		—		—		—		—		71,816		50,622		45,611		64,055		88,589		91,574		(932	)		4,667
2021		—		—		—		—		—		71,731		65,061		58,459		31,737		32,615		1,580			1,804
2022		—		—		—		—		—		—		45,365		43,625		77,959		76,098		5,542			1,538
2023		—		—		—		—		—		—		—		20,038		20,813		17,858		2,727			379
2024		—		—		—		—		—		—		—		—		33,727		28,392		5,164			457
2025		—		—		—		—		—		—		—		—		—		17,610		10,723			247
																	Total		$	522,902

	Cumulative Paid Claims and Allocated Claim Adjustment Expenses, Net of Reinsurance For the Years Ended December 31,
																			Audited
Accident Year	2016		2017		2018		2019		2020		2021		2022		2023		2024		2025
2016	$	25,567	$	32,651	$	35,548	$	37,844	$	38,700	$	39,940	$	54,497	$	40,017	$	40,021	$	40,022
2017		—		40,467		62,353		64,329		73,683		80,460		84,933		54,143		61,771		68,283
2018		—		—		27,852		54,551		61,885		66,848		82,443		67,193		68,496		68,433
2019		—		—		—		38,428		57,041		62,133		34,768		64,274		64,817		66,424
2020		—		—		—		—		33,532		56,201		79,570		84,525		87,433		91,085
2021		—		—		—		—		—		19,754		28,506		32,033		35,492		32,476
2022		—		—		—		—		—		—		16,645		51,748		64,360		69,371
2023		—		—		—		—		—		—		—		8,993		13,557		14,855
2024		—		—		—		—		—		—		—		—		8,893		21,843
2025		—		—		—		—		—		—		—		—		—		6,052
																	Total		$	478,844
							All outstanding liabilities before 2016, net of reinsurance													3
					Liabilities for claims and claim adjustment expenses, net of reinsurance														$	44,061