v2.4.1.9
Health Care Costs Payable - Additional Information (Detail) (USD $)
In Thousands, unless otherwise specified
12 Months Ended
Dec. 31, 2014
Dec. 31, 2013
Health Care Organizations [Abstract]    
Increase (decrease) in prior year estimates of health care costs payable $ 3,429dva_IncreaseDecreaseInPriorYearEstimatesOfHealthCareCostsPayable $ (16,587)dva_IncreaseDecreaseInPriorYearEstimatesOfHealthCareCostsPayable