Reinsurance - Quota Share Reinsurance (Details) - Quota Share Reinsurance - USD ($) $ in Billions		12 Months Ended
	Sep. 01, 2019	Dec. 31, 2022	Dec. 31, 2020
SEC Schedule, 12-17, Insurance Companies, Reinsurance, Net [Abstract]
Ceded premiums earned related to percent of risk on eligible single premium policies	40.00%
Ceded premiums earned related to percent of risk on all other eligible policies written	20.00%
Ceding commission	20.00%
Profit commission, maximum	60.00%
Risk In force, ceded			$ 6.3
Forecast
SEC Schedule, 12-17, Insurance Companies, Reinsurance, Net [Abstract]
Profit commission, maximum		63.00%