Segment Reporting - Summary of Expenditures for Property and Equipment by Segment (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2024	Dec. 31, 2023	Dec. 31, 2022
Segment Reporting Information [Line Items]
Segment, Expenditure, Addition to Long-Lived Assets	$ 555,443	$ 567,985	$ 603,429
U.S. dialysis
Segment Reporting Information [Line Items]
Segment, Expenditure, Addition to Long-Lived Assets	469,799	501,149	533,600
Other - Ancillary services
Segment Reporting Information [Line Items]
Segment, Expenditure, Addition to Long-Lived Assets	$ 85,644	$ 66,836	$ 69,829