Discontinued Operations - Performance Guarantee (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2024	Dec. 31, 2023	Dec. 31, 2022
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Non-Insurance, performance year obligation	$ 0	$ 15,568
Amortization of the Non-Insurance performance year receivable	0	(751,362)	$ (2,385,116)
Amortization of the Non-Insurance performance year obligation	0	751,362	2,385,116
Discontinued operations
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Non-Insurance revenue	$ (396)	$ 773,177	$ 2,380,135