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Organization and Summary of Significant Accounting Policies - Additional Information (Details) | 12 Months Ended
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Dec. 31, 2021 clinic entity patient state country
Organization, Consolidation and Presentation of Financial Statements Disclosure [Line Items] |
Medicare Payment Rate Established By Statute Or Regulation For The Portion Of Payment Rates Paid By The Government Payor | 80.00%
Number of legal entities that third parties held noncontrolling equity interests | entity | 717
United States |
Organization, Consolidation and Presentation of Financial Statements Disclosure [Line Items] |
Number of dialysis centers that the company operated or provided administrative services | clinic | 2,815
Number of states where dialysis centers are located | state | 46
Number of patients served | patient | 203,100
International Operations |
Organization, Consolidation and Presentation of Financial Statements Disclosure [Line Items] |
Number of dialysis centers that the company operated or provided administrative services | clinic | 339
Number of patients served | patient | 39,900
Number of countries in which dialysis centers located | country | 10

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