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Revenue - Additional Information (Detail) - USD ($) $ in Thousands | 1 Months Ended | 12 Months Ended
--- | --- | ---
Apr. 30, 2020 | Dec. 31, 2022 | Dec. 31, 2021 | Dec. 31, 2020
Disaggregation of Revenue [Line Items] |  |  |  |
Accounts receivable, net |  | $ (41,978) | $ 2,448 | $ 15,340
Cost report payables |  | 13,700 | 6,500 |
Net adjustments to estimated cost report settlements resulted in (decreases) increases to revenue |  | 100 | (5,400) | (1,300)
Costs of providing charity care services |  | 6,400 | 3,800 | $ 4,400
CARES Act [Member] | Medicare [Member] |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Repayment of advanced payments |  |  | 25,100 |
CARES Act [Member] | CMS' Accelerated and Advance Payment Program [Member] | Medicare [Member] |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Amount of advance payment received | $ 45,200 |  |  |
Repayment of advanced payments |  | 20,100 | 25,100 |
Repayment of advanced payments description | In April 2020, the Company received approximately $45.2 million from CMS’ Accelerated and Advance Payment Program for Medicare providers. Of the $45.2 million of advance payments received in 2020, the Company repaid approximately $25.1 million of advance payments during 2021 and made additional payments of approximately $20.1 million during the year ended December 31, 2022. |  |  |
CARES Act [Member] | CMS' Accelerated and Advance Payment Program [Member] | Medicare [Member] | Other Accrued Liabilities [Member] |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Contract liabilities |  | 6,700 | 30,400 |
Accounting Standards Update 2014-09 |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Accounts receivable, net |  | $ 61,400 | $ 49,700 |

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