Reinsurance and Indemnification - National General Lender Services Standalone Program (Narrative) (Details) - Traditional Market $ in Millions	12 Months Ended
	Dec. 31, 2024 USD ($) reinstatement
National General Lender Services Standalone Program
Reinsurance Retention Policy [Line Items]
Limit of aggregate losses under aggregate excess agreement	$ 265
Retention amount for catastrophe reinsurance agreement contracts	$ 70
Number of reinstatements each year for each contract | reinstatement	1
National General Florida Hurricane Catastrophe Program
Reinsurance Retention Policy [Line Items]
Limit of aggregate losses under aggregate excess agreement	$ 71
Retention amount for catastrophe reinsurance agreement contracts	$ 36
Retention percentage of reinsurance limit	90.00%