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Summary of Significant Accounting Policies - Additional Information (Detail) - USD ($) $ in Thousands | 3 Months Ended | 12 Months Ended |
--- | --- | --- | ---
Dec. 31, 2023 | Dec. 31, 2023 | Dec. 31, 2022 | Dec. 31, 2021 | Feb. 28, 2022
Summary Of Significant Accounting Policies [Line Items] |  |  |  |  |
Cash and cash equivalents maturity description |  | 90 |  |  |
Asset Impairment Charges | $ 20,000 | $ 20,000 | $ 0 | $ 0 |
Additional amounts to be paid in cash or common stock based on achievement of performance measures within period, maximum years |  | 5 years |  |  |
Goodwill, Impairment Loss |  | $ 148,312 | $ 0 | $ 0 |
GAAP Senior Notes [Member] | Six Point Two Five Percentage Senior Notes Due Two Thousand Twenty Seven [Member] |  |  |  |  |
Summary Of Significant Accounting Policies [Line Items] |  |  |  |  |
Debt instrument, interest rate, effective percentage |  |  |  |  | 6.25%
Unnamed Corporate Joint Venture One [Member] |  |  |  |  |
Summary Of Significant Accounting Policies [Line Items] |  |  |  |  |
Equity method ownership percentage in joint venture | 37.50% | 37.50% |  |  |
Unnamed Corporate Joint Venture Two [Member] |  |  |  |  |
Summary Of Significant Accounting Policies [Line Items] |  |  |  |  |
Equity method ownership percentage in joint venture | 51.00% | 51.00% |  |  |
Buildings [Member] |  |  |  |  |
Summary Of Significant Accounting Policies [Line Items] |  |  |  |  |
Property and equipment estimated useful lives, years | 30 years | 30 years |  |  |
United States [Member] | Credit Concentration Risk [Member] | Accounts Receivable [Member] |  |  |  |  |
Summary Of Significant Accounting Policies [Line Items] |  |  |  |  |
Percentage of net accounts receivable |  | 20.00% | 21.00% |  |
Maximum [Member] |  |  |  |  |
Summary Of Significant Accounting Policies [Line Items] |  |  |  |  |
Short-Term investments maturity period, in years |  | 1 year |  |  |
Intangible assets finite lives | 20 years | 20 years |  |  |
Maximum [Member] | Medical Equipment [Member] |  |  |  |  |
Summary Of Significant Accounting Policies [Line Items] |  |  |  |  |
Property and equipment estimated useful lives, years | 7 years | 7 years |  |  |
Maximum [Member] | Computer Equipment [Member] |  |  |  |  |
Summary Of Significant Accounting Policies [Line Items] |  |  |  |  |
Property and equipment estimated useful lives, years | 7 years | 7 years |  |  |
Maximum [Member] | Software and Software Development Costs [Member] |  |  |  |  |
Summary Of Significant Accounting Policies [Line Items] |  |  |  |  |
Property and equipment estimated useful lives, years | 7 years | 7 years |  |  |
Maximum [Member] | Furniture [Member] |  |  |  |  |
Summary Of Significant Accounting Policies [Line Items] |  |  |  |  |
Property and equipment estimated useful lives, years | 7 years | 7 years |  |  |
Minimum [Member] |  |  |  |  |
Summary Of Significant Accounting Policies [Line Items] |  |  |  |  |
Intangible assets finite lives | 1 year | 1 year |  |  |
Minimum [Member] | Medical Equipment [Member] |  |  |  |  |
Summary Of Significant Accounting Policies [Line Items] |  |  |  |  |
Property and equipment estimated useful lives, years | 3 years | 3 years |  |  |
Minimum [Member] | Computer Equipment [Member] |  |  |  |  |
Summary Of Significant Accounting Policies [Line Items] |  |  |  |  |
Property and equipment estimated useful lives, years | 3 years | 3 years |  |  |
Minimum [Member] | Software and Software Development Costs [Member] |  |  |  |  |
Summary Of Significant Accounting Policies [Line Items] |  |  |  |  |
Property and equipment estimated useful lives, years | 3 years | 3 years |  |  |
Minimum [Member] | Furniture [Member] |  |  |  |  |
Summary Of Significant Accounting Policies [Line Items] |  |  |  |  |
Property and equipment estimated useful lives, years | 3 years | 3 years |  |  |

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