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Commitments and Contingencies - Additional Information (Detail) - USD ($) |  |  | 1 Months Ended | 3 Months Ended
--- | --- | --- | --- | ---
Jan. 19, 2024 | Jul. 07, 2023 | Aug. 31, 2023 | Mar. 31, 2024
Loss Contingencies [Line Items] |  |  |  |
Aggregate amount on settlement agreements | $ 400,000,000 |  |  |
Anticipated financial impact value |  |  |  | $ 19,900,000
Inman Litigation [Member] | Compensatory Damages [Member] |  |  |  |
Loss Contingencies [Line Items] |  |  |  |
Awarded plaintiff damages amount |  | $ 80,000,000 |  |
Inman Litigation [Member] | Punitive Damages [Member] |  |  |  |
Loss Contingencies [Line Items] |  |  |  |
Awarded plaintiff damages amount |  | $ 405,000,000 |  |
Maximum [Member] |  |  |  |
Loss Contingencies [Line Items] |  |  |  |
Maximum coverage limit per claim |  |  | $ 5,000,000 | 7,000,000
Reinsurance policy aggregate policy limit |  |  | 75,000,000 | 78,000,000
Minimum [Member] |  |  |  |
Loss Contingencies [Line Items] |  |  |  |
Maximum professional liability for certain other claims thereafter |  |  | 10,000,000 | 10,000,000
Reinsurance policy aggregate policy limit |  |  | $ 70,000,000 | $ 75,000,000

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