Summary of Assets by Segment (Detail) - USD ($) $ in Thousands |
Sep. 30, 2016 |
Dec. 31, 2015 |
|---|---|---|
| ASSETS | ||
| Total assets | $ 18,925,653 | $ 18,514,875 |
| U.S. Dialysis And Related Lab Services | ||
| ASSETS | ||
| Total assets | 11,460,732 | 11,591,507 |
| DaVita Medical Group (DMG) | ||
| ASSETS | ||
| Total assets | 6,218,912 | 6,150,666 |
| Other Segments | ||
| ASSETS | ||
| Total assets | $ 1,246,009 | $ 772,702 |