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Concentrations - Additional Information (Detail)
$ in Thousands
12 Months Ended
Dec. 31, 2016
USD ($)
Project
Customer
Dec. 31, 2015
USD ($)
Customer
Dec. 31, 2014
Concentration Risk [Line Items]      
Number of customers accounting for approximately 11% of consolidated net revenues | Customer 1    
Number of customers accounting for more than 10% of consolidated accounts receivable | Customer 0 0  
Sales Revenue Services Net      
Concentration Risk [Line Items]      
Concentration risk, customer One commercial payor, Humana, accounted for approximately 11% of total consolidated net revenues.    
Sales Revenue Services Net | Customer Concentration Risk | Humana      
Concentration Risk [Line Items]      
Concentration Risk, Percentage 11.00%    
Accounts Receivable      
Concentration Risk [Line Items]      
Concentration risk, customer There is no single commercial payor that accounted for more than 10% of total consolidated accounts receivable at December 31, 2016 and 2015.    
Accounts Receivable | Government-based Programs, Medicare and Medicaid      
Concentration Risk [Line Items]      
Concentration Risk, Percentage 80.00%    
U.S. Dialysis And Related Lab Services | Sales Revenue Services Net | Government-based Programs, Medicare and Medicaid      
Concentration Risk [Line Items]      
Concentration Risk, Percentage 64.00% 66.00% 67.00%
Accounts receivable, and other receivables, from Medicare and Medicaid-assigned plans | $ $ 831,445 $ 830,060  
DaVita Medical Group (DMG)      
Concentration Risk [Line Items]      
Number of health plans | Project 3    
DaVita Medical Group (DMG) | Sales Revenue Services Net | Government-based Programs, Medicare and Medicaid      
Concentration Risk [Line Items]      
Concentration Risk, Percentage 72.00% 70.00% 71.00%
DaVita Medical Group (DMG) | Sales Revenue Services Net | Product Concentration Risk      
Concentration Risk [Line Items]      
Concentration Risk, Percentage 63.00% 61.00% 64.00%
DaVita Medical Group (DMG) | Accounts Receivable | Customer Concentration Risk      
Concentration Risk [Line Items]      
Accounts receivable, and other receivables, from Medicare and Medicaid-assigned plans | $ $ 289,798 $ 231,278