Variable Interest Entities - Additional Information (Detail) $ in Thousands	9 Months Ended
Sep. 30, 2024 USD ($) Facility	Dec. 31, 2023 USD ($)
Variable Interest Entity [Line Items]
Consolidated assets	$ 5,870,457	$ 5,358,841
Consolidated liabilities	$ 2,724,418	2,471,181
Variable Interest Entity, Primary Beneficiary [Member]
Variable Interest Entity [Line Items]
Number of facilities operated through non-wholly owned subsidiaries \| Facility	10
Consolidated assets	$ 816,456	597,844
Consolidated liabilities	$ 32,959	$ 26,962
Variable Interest Entity, Primary Beneficiary [Member] \| Minimum [Member]
Variable Interest Entity [Line Items]
Variable interest entity, ownership percentage	65.00%
Variable Interest Entity, Primary Beneficiary [Member] \| Maximum [Member]
Variable Interest Entity [Line Items]
Variable interest entity, ownership percentage	87.00%

Amount of asset recognized for present right to economic benefit.

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+ Details

- Definition

Amount of liability recognized for present obligation requiring transfer or otherwise providing economic benefit to others.

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+ Details

- Definition

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

+ References + Details