Discontinued Operations - Narrative (Details) - USD ($) $ in Thousands			3 Months Ended		12 Months Ended
	Apr. 29, 2025	Apr. 16, 2024	Mar. 31, 2024	Dec. 31, 2023	Dec. 31, 2025	Dec. 31, 2024	Dec. 31, 2023
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Cash payment					$ 0	$ 96,412	$ 0
Loss on disposal					2,393	4,051	80,400
Discontinued Operations, Disposed of by Sale | Jrg Re
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Estimated transaction value		$ 291,400
Cash payment		152,400
Pre close dividend		139,000	$ 139,000
Downward adjustment	$ 483,625	$ 11,400			522,789
Downward adjustment paid	$ 522,789
Pre close dividend, forgiveness			133,200
Cash paid to JRGH			$ 5,800
Estimated loss on sale				$ 80,400		78,300
Loss on fixed maturity securities							53,200
Loss on disposal					2,393	4,051	$ 80,400
Gain for change in estimated loss on sale						2,100
Selling costs incurred					$ 1,900	$ 6,200