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Commitments and Contingencies - Additional Information (Detail) - USD ($) $ in Millions			1 Months Ended	6 Months Ended	12 Months Ended
	Jan. 19, 2024	Jul. 07, 2023	Aug. 31, 2024	Jun. 30, 2025	Dec. 31, 2024
Loss Contingencies [Line Items]
Aggregate amount on settlement agreements	$ 400.0
Inman Litigation [Member] | Compensatory Damages [Member]
Loss Contingencies [Line Items]
Awarded plaintiff damages amount		$ 80.0
Inman Litigation [Member] | Punitive Damages [Member]
Loss Contingencies [Line Items]
Awarded plaintiff damages amount		$ 405.0
Government Investigation [Member]
Loss Contingencies [Line Items]
Aggregate amount on settlement agreements					$ 19.9
Maximum [Member]
Loss Contingencies [Line Items]
Maximum coverage limit per claim			$ 7.0	$ 10.0
Maximum professional liability for certain other claims thereafter				25.0
Reinsurance policy aggregate policy limit			78.0	80.0
Minimum [Member]
Loss Contingencies [Line Items]
Maximum professional liability for certain other claims thereafter			10.0	15.0
Reinsurance policy aggregate policy limit			$ 75.0	$ 75.0

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