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Acquisitions and Dispositions - Cash Flow Statement Disclosure (Details) - Discontinued Operations - Concentra Group Holdings Parent - USD ($) $ in Thousands | 12 Months Ended
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Dec. 31, 2024 | Dec. 31, 2023
Sale of Businesses |  |
Depreciation and amortization | $ 61,028 | $ 73,051
Purchases of property, equipment, and other assets | $ 63,269 | $ 69,340

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