v2.4.1.9

Reconciliation of Changes in Contingent Earn-Out Obligations (Detail) (USD $) In Thousands, unless otherwise specified | 12 Months Ended
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Dec. 31, 2014
Business Combinations [Abstract] |
Beginning balance | $ 28,058dva_BusinessAcquisitionContingentEarnOutFairValueDisclosure
Contingent earn-out obligations associated with acquisitions | 18,234dva_BusinessCombinationContingentConsiderationAcquisitions
Remeasurement of fair value | (4,448)dva_BusinessCombinationContingentConsiderationAcquisitionsFairValueRemeasurementGainLoss
Payments of contingent earn-out obligations | (2,715)dva_BusinessCombinationContingentConsiderationAcquisitionsEarnoutsPayments
Ending balance | $ 39,129dva_BusinessAcquisitionContingentEarnOutFairValueDisclosure

X
- Definition Fair values as of the balance sheet date of contingent earn-out considerations if certain performance targets are met. + References No definition available. + Details
Name: | dva_BusinessAcquisitionContingentEarnOutFairValueDisclosure
Namespace Prefix: | dva_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition Business combination contingent consideration acquisitions. + References No definition available. + Details
Name: | dva_BusinessCombinationContingentConsiderationAcquisitions
Namespace Prefix: | dva_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition Business Combination Contingent Consideration Acquisitions, Earn-outs Payments + References No definition available. + Details
Name: | dva_BusinessCombinationContingentConsiderationAcquisitionsEarnoutsPayments
Namespace Prefix: | dva_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition Business combination contingent consideration acquisitions, fair value remeasurement gain loss. + References No definition available. + Details
Name: | dva_BusinessCombinationContingentConsiderationAcquisitionsFairValueRemeasurementGainLoss
Namespace Prefix: | dva_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Details
Name: | us-gaap_BusinessCombinationsAbstract
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration