Commitments and Contingencies - Additional Information (Detail)	3 Months Ended
	Mar. 31, 2020 USD ($)
Loss Contingencies [Line Items]
Maximum professional liability aggregate policy limit	$ 75,000,000.0
Maximum [Member]
Loss Contingencies [Line Items]
Maximum self insured professional liability limit per claim	3,000,000.0
Minimum [Member]
Loss Contingencies [Line Items]
Maximum professional liability retention limit	$ 3,000,000.0