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Acquisitions - Additional Information (Detail) (Dialysis businesses and other businesses, USD $)
In Thousands, unless otherwise specified
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3 Months Ended |
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Mar. 31, 2015
|
| Business Acquisition [Line Items] |
|
| Cash paid to acquire business |
$ 40,650us-gaap_PaymentsToAcquireBusinessesGross |
| Deferred purchase price obligations |
394us-gaap_BusinessCombinationConsiderationTransferredLiabilitiesIncurred |
| Amortizable intangible assets acquired, weighted-average estimated useful lives |
5 years |
| Goodwill deductible for tax purposes associated with acquisitions |
29,111us-gaap_BusinessAcquisitionPurchasePriceAllocationGoodwillExpectedTaxDeductibleAmount |
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Other Accrued Liabilities
|
|
| Business Acquisition [Line Items] |
|
| Fair value of contingent earn-out consideration |
15,885us-gaap_BusinessCombinationContingentConsiderationArrangementsRangeOfOutcomesValueHigh
/ us-gaap_BalanceSheetLocationAxis
= dva_OtherAccruedLiabilitiesMember
/ us-gaap_BusinessAcquisitionAxis
= us-gaap_SeriesOfIndividuallyImmaterialBusinessAcquisitionsMember |
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Other long-term liabilities
|
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| Business Acquisition [Line Items] |
|
| Fair value of contingent earn-out consideration |
22,540us-gaap_BusinessCombinationContingentConsiderationArrangementsRangeOfOutcomesValueHigh
/ us-gaap_BalanceSheetLocationAxis
= us-gaap_OtherNoncurrentLiabilitiesMember
/ us-gaap_BusinessAcquisitionAxis
= us-gaap_SeriesOfIndividuallyImmaterialBusinessAcquisitionsMember |
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Other companies
|
|
| Business Acquisition [Line Items] |
|
| Additional cash consideration in the form of earn-out payments |
134,321us-gaap_BusinessCombinationContingentConsiderationLiability
/ us-gaap_BusinessAcquisitionAxis
= us-gaap_SeriesOfIndividuallyImmaterialBusinessAcquisitionsMember
/ us-gaap_RelatedPartyTransactionsByRelatedPartyAxis
= dva_OtherCompaniesMember |
| Fair value of contingent earn-out consideration |
$ 38,425us-gaap_BusinessCombinationContingentConsiderationArrangementsRangeOfOutcomesValueHigh
/ us-gaap_BusinessAcquisitionAxis
= us-gaap_SeriesOfIndividuallyImmaterialBusinessAcquisitionsMember
/ us-gaap_RelatedPartyTransactionsByRelatedPartyAxis
= dva_OtherCompaniesMember |
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Other companies | EBITDA performance targets and quality margins
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|
| Business Acquisition [Line Items] |
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| Earn out consideration payment period |
2 years |
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Other companies | Operating income targets
|
|
| Business Acquisition [Line Items] |
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| Earn out consideration payment period |
3 years |
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Non-Compete Agreements
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| Business Acquisition [Line Items] |
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| Amortizable intangible assets acquired, weighted-average estimated useful lives |
6 years |
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Assembled Work Forces
|
|
| Business Acquisition [Line Items] |
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| Amortizable intangible assets acquired, weighted-average estimated useful lives |
5 years |
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Trade Names
|
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| Business Acquisition [Line Items] |
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| Amortizable intangible assets acquired, weighted-average estimated useful lives |
3 years |
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U.S. dialysis and related lab services
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|
| Business Acquisition [Line Items] |
|
| Number of businesses acquired |
1us-gaap_NumberOfBusinessesAcquired
/ us-gaap_BusinessAcquisitionAxis
= us-gaap_SeriesOfIndividuallyImmaterialBusinessAcquisitionsMember
/ us-gaap_StatementBusinessSegmentsAxis
= dva_USDialysisAndRelatedLabServicesMember |
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Vascular Access Center And Other Medical Business
|
|
| Business Acquisition [Line Items] |
|
| Number of businesses acquired |
2us-gaap_NumberOfBusinessesAcquired
/ us-gaap_BusinessAcquisitionAxis
= us-gaap_SeriesOfIndividuallyImmaterialBusinessAcquisitionsMember
/ us-gaap_StatementBusinessSegmentsAxis
= dva_VascularAccessCenterAndOtherMedicalBusinessMember |