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- Definition

Number Of Partnerships that are included in the Equity Investments category.

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- Definition

Amount of other-than-temporary decline in value that has been recognized against investment accounted for under equity method of accounting.

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- Definition

Amount of income (loss) for proportionate share of equity method investee's income (loss).

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- Definition

The parent entity's interest in net assets of the subsidiary, expressed as a percentage.

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- Definition

Amount of income (expense) related to nonoperating activities, classified as other.

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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.

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Equity Method and Other Investments - Additional Information (Details) $ in Thousands	3 Months Ended	12 Months Ended
	Dec. 31, 2025 USD ($)	Dec. 31, 2025 USD ($)	Dec. 31, 2024 USD ($)	Dec. 31, 2023 USD ($)
Equity Method Investment income from equity method investments
Equity investment income (loss) from equity method investments in nonconsolidated dialysis partnerships.		$ 33,000	$ 26,189	$ 27,864
Other loss, net		$ (102,688)	(69,808)	(19,177)
Mozarc Medical Holding LLC
Equity Method Investment income from equity method investments
Equity method investment, significant impairments and other valuation adjustments	$ 73,559
Other loss, net	$ 12,641
Minimum \| Company and Restricted Subsidiaries
Equity Method Investment income from equity method investments
Ownership percentage by the Company	25.00%	25.00%
Maximum \| Company and Restricted Subsidiaries
Equity Method Investment income from equity method investments
Ownership percentage by the Company	65.00%	65.00%
Other Nonoperating Income (Expense)
Equity Method Investment income from equity method investments
Equity method investment, significant impairments and other valuation adjustments		$ 0
Equity investment income (loss) from other equity method investments		(139,192)	(112,696)	(59,508)
Equity Method Investments In Nonconsolidated Dialysis Partnerships
Equity Method Investment income from equity method investments
Equity investment income (loss) from equity method investments in nonconsolidated dialysis partnerships.		$ 33,000	$ 26,189	$ 27,864
Number of equity method investments	19	19