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Reinsurance - Schedule of Total Assets and Maximum Exposure Loss (Details) $ in Thousands	Jun. 30, 2025 USD ($)
VIE
Variable Interest Entity [Line Items]
Maximum Exposure to Loss, On - Balance Sheet	$ (11,392)
Maximum Exposure to Loss, Off - Balance Sheet	183
Maximum Exposure to Loss, Total	(11,209)
VIE | Radnor Re 2021-1 Ltd.
Variable Interest Entity [Line Items]
Maximum Exposure to Loss, On - Balance Sheet	(5,548)
Maximum Exposure to Loss, Off - Balance Sheet	11
Maximum Exposure to Loss, Total	(5,537)
VIE | Radnor Re 2021-2 Ltd.
Variable Interest Entity [Line Items]
Maximum Exposure to Loss, On - Balance Sheet	(6,064)
Maximum Exposure to Loss, Off - Balance Sheet	37
Maximum Exposure to Loss, Total	(6,027)
VIE | Radnor Re 2022-1 Ltd.
Variable Interest Entity [Line Items]
Maximum Exposure to Loss, On - Balance Sheet	(268)
Maximum Exposure to Loss, Off - Balance Sheet	25
Maximum Exposure to Loss, Total	(243)
VIE | Radnor Re 2023-1 Ltd.
Variable Interest Entity [Line Items]
Maximum Exposure to Loss, On - Balance Sheet	217
Maximum Exposure to Loss, Off - Balance Sheet	44
Maximum Exposure to Loss, Total	261
VIE | Radnor Re 2024-1 Ltd.
Variable Interest Entity [Line Items]
Maximum Exposure to Loss, On - Balance Sheet	271
Maximum Exposure to Loss, Off - Balance Sheet	66
Maximum Exposure to Loss, Total	337
Radnor Re 2021-1 Ltd. | Reinsurance Policy, Type [Axis]: Vintage Year Aug 2020 - Mar 2021
Variable Interest Entity [Line Items]
Total VIE Assets	139,755
Radnor Re 2021-2 Ltd. | Reinsurance Policy, Type [Axis]: Vintage Year Apr 2021 - Sep 2021
Variable Interest Entity [Line Items]
Total VIE Assets	228,819
Radnor Re 2022-1 Ltd. | Reinsurance Policy, Type [Axis]: Vintage Year Oct 2021 - Jul 2022
Variable Interest Entity [Line Items]
Total VIE Assets	146,841
Radnor Re 2023-1 Ltd. | Reinsurance Policy, Type [Axis]: Vintage Year August 2022- June 2023
Variable Interest Entity [Line Items]
Total VIE Assets	235,647
Radnor Re 2024-1 Ltd. | Reinsurance Policy, Type [Axis]: Vintage Year July 2023- July 2024
Variable Interest Entity [Line Items]
Total VIE Assets	$ 297,147

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