Reinsurance - Additional Information (Details) - USD ($) $ in Millions		6 Months Ended	12 Months Ended
	Jul. 01, 2021	Jun. 30, 2021	Dec. 31, 2021
Effects of Reinsurance [Line Items]
Reinsurance program, minimum Losses threshold			$ 60.0
Aggregate Excess of Loss Reinsurance Contract, threshold loss ratio			50.00%
Aggregate Excess of Loss Reinsurance Contract, deductible - percent of earned premium			10.00%
Proportional Reinsurance Contracts
Effects of Reinsurance [Line Items]
Percent of contracts subject to participation through reinsurance	70.00%	75.00%
Ceded commission percentage			25.00%
Claims funding percentage			75.00%
Non-Proportional Reinsurance Contracts
Effects of Reinsurance [Line Items]
Percent of contracts subject to participation through reinsurance			25.00%