Property and Casualty Insurance Activity - Schedule of Information relating to Incurred and Paid Claims (Details) $ in Thousands	3 Months Ended
	Mar. 31, 2026 USD ($) claim
Liability for Claims and Claims Adjustment Expense [Line Items]
Total	$ 661,790
2017
Liability for Claims and Claims Adjustment Expense [Line Items]
2017	31,605
Total	37,350
IBNR	$ 148
Cumulative Number of Reported Claims by Accident Year | claim	3,401,000
2018
Liability for Claims and Claims Adjustment Expense [Line Items]
2017	$ 32,169
2018	54,455
Total	61,796
IBNR	$ 649
Cumulative Number of Reported Claims by Accident Year | claim	4,238,000
2019
Liability for Claims and Claims Adjustment Expense [Line Items]
2017	$ 35,304
2018	56,351
2019	75,092
Total	76,506
IBNR	$ 1,953
Cumulative Number of Reported Claims by Accident Year | claim	4,509,000
2020
Liability for Claims and Claims Adjustment Expense [Line Items]
2017	$ 36,160
2018	58,441
2019	72,368
2020	63,083
Total	65,837
IBNR	$ 927
Cumulative Number of Reported Claims by Accident Year | claim	5,896,000
2021
Liability for Claims and Claims Adjustment Expense [Line Items]
2017	$ 36,532
2018	59,404
2019	71,544
2020	62,833
2021	96,425
Total	98,485
IBNR	$ 1,237
Cumulative Number of Reported Claims by Accident Year | claim	5,838,000
2022
Liability for Claims and Claims Adjustment Expense [Line Items]
2017	$ 36,502
2018	61,237
2019	71,964
2020	63,217
2021	96,673
2022	79,835
Total	77,211
IBNR	$ 2,388
Cumulative Number of Reported Claims by Accident Year | claim	4,721,000
2023
Liability for Claims and Claims Adjustment Expense [Line Items]
2017	$ 36,819
2018	61,145
2019	73,310
2020	63,562
2021	96,134
2022	78,759
2023	78,978
Total	69,949
IBNR	$ 5,113
Cumulative Number of Reported Claims by Accident Year | claim	4,100,000
2024
Liability for Claims and Claims Adjustment Expense [Line Items]
2017	$ 37,268
2018	61,686
2019	74,363
2020	64,400
2021	96,771
2022	78,078
2023	72,025
2024	57,860
Total	54,280
IBNR	$ 6,451
Cumulative Number of Reported Claims by Accident Year | claim	3,143,000
2025
Liability for Claims and Claims Adjustment Expense [Line Items]
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
Total	76,590
IBNR	$ 18,794
Cumulative Number of Reported Claims by Accident Year | claim	2,385,000
2026
Liability for Claims and Claims Adjustment Expense [Line Items]
Total	$ 43,788
IBNR	$ 10,680
Cumulative Number of Reported Claims by Accident Year | claim	976,000