Revenue Recognition and Accounts Receivable - Additional Information (Detail) $ in Thousands			1 Months Ended	9 Months Ended
	Sep. 30, 2022	Oct. 31, 2021	Apr. 30, 2020 USD ($)	Sep. 30, 2021 USD ($)	Sep. 30, 2020 USD ($)	Jun. 30, 2021 USD ($)	Dec. 31, 2020 USD ($)	Jun. 30, 2020 USD ($)
Revenue Recognition And Accounts Receivable [Line Items]
CARES Act of 2020 funds received			$ 13,900	$ (5,951)	$ 13,851
Frequency of recoupment	6 months	11 months
Contract liability, total				7,900	$ 13,851	$ 10,971	$ 13,851	$ 13,851
Other Long-Term Assets or Other Current Assets [Member]
Revenue Recognition And Accounts Receivable [Line Items]
Other contract assets				$ 1,700			$ 2,000
Scenario Forecast [Member]
Revenue Recognition And Accounts Receivable [Line Items]
Medicare recoupment	0.50
Subsequent Event
Revenue Recognition And Accounts Receivable [Line Items]
Medicare recoupment		0.25