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Effects of Changes in DaVita Inc's Ownership Interest on Company's Equity (Detail) - USD ($)
$ in Thousands
 3 Months Ended 6 Months Ended
Jun. 30, 2017
Jun. 30, 2016
Jun. 30, 2017
Jun. 30, 2016
Consolidation, Less than Wholly Owned Subsidiary, Parent Ownership Interest, Effects of Changes, Net [Line Items]        
Net income attributable to DaVita Inc. $ 127,001 $ 53,382 $ 574,698 $ 150,816
Net transfers to noncontrolling interests 618 (2,078) 195 (4,530)
Net income attributable to DaVita Inc., net of transfers to noncontrolling interests 127,619 51,304 574,893 146,286
Additional paid-in capital        
Consolidation, Less than Wholly Owned Subsidiary, Parent Ownership Interest, Effects of Changes, Net [Line Items]        
Sales of noncontrolling interests 0 (885) 0 0
Purchases of noncontrolling interests $ 618 $ (1,193) $ 195 $ (4,530)