XML 88 R75.htm IDEA: XBRL DOCUMENT v3.20.2
Segment reporting - Summary of Assets by Segment (Phantom) (Detail) - USD ($)
$ in Thousands
Sep. 30, 2020
Dec. 31, 2019
Segment Reporting Information [Line Items]    
Equity method and other investments $ 252,483 $ 241,983
U.S. dialysis    
Segment Reporting Information [Line Items]    
Equity method and other investments 125,525 124,188
Other—Ancillary services    
Segment Reporting Information [Line Items]    
Equity method and other investments $ 126,958 $ 117,795