v3.26.3
Reinsurance - Schedule of Total Assets and Maximum Exposure Loss (Details)
$ in Thousands
Sep. 30, 2026
USD ($)
VIE  
Variable Interest Entity [Line Items]  
Maximum Exposure to Loss, On - Balance Sheet $ (7,369)
Maximum Exposure to Loss, Off - Balance Sheet 64
Maximum Exposure to Loss, Total (7,305)
VIE | Radnor Re 2021-2 Ltd.  
Variable Interest Entity [Line Items]  
Maximum Exposure to Loss, On - Balance Sheet (6,563)
Maximum Exposure to Loss, Off - Balance Sheet 14
Maximum Exposure to Loss, Total (6,549)
VIE | Radnor Re 2022-1 Ltd.  
Variable Interest Entity [Line Items]  
Maximum Exposure to Loss, On - Balance Sheet (568)
Maximum Exposure to Loss, Off - Balance Sheet 23
Maximum Exposure to Loss, Total (545)
VIE | Radnor Re 2023-1 Ltd.  
Variable Interest Entity [Line Items]  
Maximum Exposure to Loss, On - Balance Sheet (82)
Maximum Exposure to Loss, Off - Balance Sheet 14
Maximum Exposure to Loss, Total (68)
VIE | Radnor Re 2024-1 Ltd.  
Variable Interest Entity [Line Items]  
Maximum Exposure to Loss, On - Balance Sheet (156)
Maximum Exposure to Loss, Off - Balance Sheet 13
Maximum Exposure to Loss, Total (143)
Radnor Re 2021-2 Ltd. | Reinsurance Policy, Type [Axis]: Vintage Year Apr 2021 - Sep 2021  
Variable Interest Entity [Line Items]  
Total VIE Assets 148,357
Radnor Re 2022-1 Ltd. | Reinsurance Policy, Type [Axis]: Vintage Year Oct 2021 - Jul 2022  
Variable Interest Entity [Line Items]  
Total VIE Assets 103,940
Radnor Re 2023-1 Ltd. | Reinsurance Policy, Type [Axis]: Vintage Year August 2022- June 2023  
Variable Interest Entity [Line Items]  
Total VIE Assets 171,531
Radnor Re 2024-1 Ltd. | Reinsurance Policy, Type [Axis]: Vintage Year July 2023- July 2024  
Variable Interest Entity [Line Items]  
Total VIE Assets $ 179,151