Property and Casualty Insurance Activity - Information relating to Incurred and Paid Claims (Details) $ in Thousands	12 Months Ended
	Dec. 31, 2025 USD ($) claim
Liability for Claims and Claims Adjustment Expense [Line Items]
Total	$ 646,429
2016
Liability for Claims and Claims Adjustment Expense [Line Items]
2016	26,062
IBNR	$ 31
Cumulative Number of Reported Claims by Accident Year | claim	2,884,000
2017
Liability for Claims and Claims Adjustment Expense [Line Items]
2016	$ 24,941
2017	31,605
IBNR	$ 149
Cumulative Number of Reported Claims by Accident Year | claim	3,401,000
2018
Liability for Claims and Claims Adjustment Expense [Line Items]
2016	$ 24,789
2017	32,169
2018	54,455
IBNR	$ 425
Cumulative Number of Reported Claims by Accident Year | claim	4,238,000
2019
Liability for Claims and Claims Adjustment Expense [Line Items]
2016	$ 27,887
2017	35,304
2018	56,351
2019	75,092
IBNR	$ 2,025
Cumulative Number of Reported Claims by Accident Year | claim	4,509,000
2020
Liability for Claims and Claims Adjustment Expense [Line Items]
2016	$ 27,966
2017	36,160
2018	58,441
2019	72,368
2020	63,083
IBNR	$ 934
Cumulative Number of Reported Claims by Accident Year | claim	5,896,000
2021
Liability for Claims and Claims Adjustment Expense [Line Items]
2016	$ 27,417
2017	36,532
2018	59,404
2019	71,544
2020	62,833
2021	96,425
IBNR	$ 1,303
Cumulative Number of Reported Claims by Accident Year | claim	5,836,000
2022
Liability for Claims and Claims Adjustment Expense [Line Items]
2016	$ 27,352
2017	36,502
2018	61,237
2019	71,964
2020	63,217
2021	96,673
2022	79,835
IBNR	$ 2,533
Cumulative Number of Reported Claims by Accident Year | claim	4,721,000
2023
Liability for Claims and Claims Adjustment Expense [Line Items]
2016	$ 27,271
2017	36,819
2018	61,145
2019	73,310
2020	63,562
2021	96,134
2022	78,759
2023	78,978
IBNR	$ 5,125
Cumulative Number of Reported Claims by Accident Year | claim	4,097,000
2024
Liability for Claims and Claims Adjustment Expense [Line Items]
2016	$ 27,247
2017	37,268
2018	61,686
2019	74,363
2020	64,400
2021	96,771
2022	78,078
2023	72,025
2024	57,860
IBNR	$ 7,014
Cumulative Number of Reported Claims by Accident Year | claim	3,140,000
2025
Liability for Claims and Claims Adjustment Expense [Line Items]
2016	$ 27,171
2017	37,359
2018	61,897
2019	76,337
2020	65,888
2021	98,411
2022	77,319
2023	70,128
2024	54,364
2025	77,556
IBNR	$ 20,697
Cumulative Number of Reported Claims by Accident Year | claim	2,306,000