Goodwill (Tables)

3 Months Ended

Mar. 31, 2022

Goodwill and Intangible Assets Disclosure [Abstract]

Changes in Goodwill by Reportable Segments [Text Block]

Changes in goodwill by reportable segments were as follows:

	U.S. dialysis		Other — Ancillary services		Consolidated
Balance at December 31, 2020	$	6,309,928	$	609,181	$	6,919,109
Acquisitions	91,979		81,265		173,244
Divestitures	(1,745)		—		(1,745)
Foreign currency and other adjustments	—		(44,367)		(44,367)
Balance at December 31, 2021	$	6,400,162	$	646,079	$	7,046,241
Acquisitions	—		4,442		4,442
Divestitures	—		—		—
Foreign currency and other adjustments	—		22,220		22,220
Balance at March 31, 2022	$	6,400,162	$	672,741	$	7,072,903
Balance at March 31, 2022:
Goodwill	$	6,400,162	$	796,684	$	7,196,846
Accumulated impairment charges	—		(123,943)		(123,943)
	$	6,400,162	$	672,741	$	7,072,903