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Intangibles - Additional Information (Detail) - USD ($)
 12 Months Ended
Dec. 31, 2016
Dec. 31, 2015
Dec. 31, 2014
Finite Lived Intangible Assets And Liabilities [Line Items]      
Amortization expense from amortizable intangible assets $ 174,518,000 $ 166,537,000 $ 167,956,000
Amortization of lease agreement intangible assets and liabilities (923,000) (1,613,000) (1,798,000)
Impairment charges for intangible assets other than goodwill 0    
Amortization benefit recognized from the alliance and product supply agreement $ 0 3,997,000 $ 5,330,000
DaVita Medical Group (DMG) | Nevada      
Finite Lived Intangible Assets And Liabilities [Line Items]      
Impairment charge on indefinite-lived intangible asset   $ 17,400,000