Segment reporting - Summary of Depreciation and Amortization Expense by Segment (Detail) - USD ($) $ in Thousands |
3 Months Ended | 6 Months Ended | ||
|---|---|---|---|---|
Jun. 30, 2026 |
Jun. 30, 2025 |
Jun. 30, 2026 |
Jun. 30, 2025 |
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| Segment Reporting [Line Items] | ||||
| Depreciation and amortization | $ 167,808 | $ 174,704 | $ 345,637 | $ 351,155 |
| U. S. Dialysis And Related Lab Services | ||||
| Segment Reporting [Line Items] | ||||
| Depreciation and amortization | 146,461 | 156,782 | 301,631 | 313,681 |
| Other Operating Segment | ||||
| Segment Reporting [Line Items] | ||||
| Depreciation and amortization | $ 21,347 | $ 17,923 | $ 44,006 | $ 37,474 |
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- Definition The current period expense charged against earnings on long-lived, physical assets not used in production, and which are not intended for resale, to allocate or recognize the cost of such assets over their useful lives; or to record the reduction in book value of an intangible asset over the benefit period of such asset; or to reflect consumption during the period of an asset that is not used in production. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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- 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. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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