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Contingencies - Additional Information (Detail) - USD ($) $ in Millions | 9 Months Ended |
--- | --- | ---
Sep. 30, 2024 | Dec. 31, 2023
University of St. Augustine for Health Sciences, LLC [Member] |  |
Loss Contingencies [Line Items] |  |
Percentage of investment in equity affiliate | 100.00% |
Minimum [Member] | University of St. Augustine for Health Sciences, LLC [Member] |  |
Loss Contingencies [Line Items] |  |
Expected payment for acquisition | $ 142.0 |
Maximum [Member] | University of St. Augustine for Health Sciences, LLC [Member] |  |
Loss Contingencies [Line Items] |  |
Expected payment for acquisition | 144.0 |
Other Accrued Expenses [Member] |  |
Loss Contingencies [Line Items] |  |
Accrual for legal fees | $ 1.9 | $ 2.4

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