Commitments and Contingencies (Detail) - USD ($) $ in Millions |
Mar. 26, 2021 |
Sep. 30, 2022 |
---|---|---|
Reinsurance Retention Policy [Line Items] | ||
Term of reinsurance agreement | 3 years | |
Reinsurance Contracts: 2023-01-01 | ||
Reinsurance Retention Policy [Line Items] | ||
Reinsurance payable, due in fiscal year | $ 105.6 | |
Reinsurance Contracts: 2024-01-01 | ||
Reinsurance Retention Policy [Line Items] | ||
Reinsurance payable, due in second year | 157.5 | |
Reinsurance Contracts: 2025-01-01 | ||
Reinsurance Retention Policy [Line Items] | ||
Reinsurance payable, due in third year | $ 66.3 |