Debt Instrument, Maximum Number of Draws

No definition available.

Name:	cvna_DebtInstrumentMaximumNumberofDraws
Namespace Prefix:	cvna_
Data Type:	xbrli:integerItemType
Balance Type:	na
Period Type:	instant

- Definition

Line of Credit Facility, Minimum Borrowing Per Draw

+ References

No definition available.

+ Details

Name:	cvna_LineofCreditFacilityMinimumBorrowingPerDraw
Namespace Prefix:	cvna_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

Long-term Line of Credit, Prepayment Requirement Associated with Issuance of Unsecured Debt, Debt Amount Threshold

+ References

No definition available.

+ Details

Name:	cvna_LongtermLineofCreditPrepaymentRequirementAssociatedwithIssuanceofUnsecuredDebtDebtAmountThreshold
Namespace Prefix:	cvna_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

Long-term Line of Credit, Prepayment Requirement Associated with Sale of Equity, Proceeds Threshold

+ References

No definition available.

+ Details

Name:	cvna_LongtermLineofCreditPrepaymentRequirementAssociatedwithSaleofEquityProceedsThreshold
Namespace Prefix:	cvna_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

Amount of the fee that accompanies borrowing money under the debt instrument.

+ References

+ Details

Name:	us-gaap_DebtInstrumentFeeAmount
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

- Definition

Contractual interest rate for funds borrowed, under the debt agreement.

+ References

+ Details

Name:	us-gaap_DebtInstrumentInterestRateStatedPercentage
Namespace Prefix:	us-gaap_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	instant

- Definition

Maximum borrowing capacity under the credit facility without consideration of any current restrictions on the amount that could be borrowed or the amounts currently outstanding under the facility.

+ References

+ Details

Name:	us-gaap_LineOfCreditFacilityMaximumBorrowingCapacity
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

The carrying value as of the balance sheet date of the noncurrent portion of long-term obligations drawn from a line of credit, which is a bank's commitment to make loans up to a specific amount. Examples of items that might be included in the application of this element may consist of letters of credit, standby letters of credit, and revolving credit arrangements, under which borrowings can be made up to a maximum amount as of any point in time conditional on satisfaction of specified terms before, as of and after the date of drawdowns on the line. Includes short-term obligations that would normally be classified as current liabilities but for which (a) postbalance sheet date issuance of a long term obligation to refinance the short term obligation on a long term basis, or (b) the enterprise has entered into a financing agreement that clearly permits the enterprise to refinance the short-term obligation on a long term basis and the following conditions are met (1) the agreement does not expire within 1 year and is not cancelable by the lender except for violation of an objectively determinable provision, (2) no violation exists at the BS date, and (3) the lender has entered into the financing agreement is expected to be financially capable of honoring the agreement.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 210
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SX 210.5-02.22)
-URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682

Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 470
-SubTopic 10
-Section 45
-Paragraph 13
-URI http://asc.fasb.org/extlink&oid=99376301&loc=d3e1314-112600

Reference 3: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 470
-SubTopic 10
-Section 45
-Paragraph 14
-URI http://asc.fasb.org/extlink&oid=99376301&loc=d3e1336-112600

+ Details

Name:	us-gaap_LongTermLineOfCredit
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

+ References

No definition available.

+ Details

Name:	us-gaap_RelatedPartyTransactionLineItems
Namespace Prefix:	us-gaap_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

- Details

Name:	dei_LegalEntityAxis=cvna_CarvanaLLCMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_CreditFacilityAxis=us-gaap_LineOfCreditMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_LineOfCreditFacilityAxis=cvna_VerdeInvestmentsInc.Member
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_RelatedPartyTransactionsByRelatedPartyAxis=us-gaap_AffiliatedEntityMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_DebtInstrumentAxis=cvna_VerdeCreditFacilityMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

Related Party Transactions - Credit Facility with Verde (Details) - Carvana, LLC	Mar. 31, 2017 USD ($)	Feb. 27, 2017 USD ($) draw	Dec. 31, 2016 USD ($)
Related Party Transaction [Line Items]
Verde credit facility	$ 20,000,000		$ 0
Line of Credit \| Verde Investments, Inc. \| Affiliated Entity
Related Party Transaction [Line Items]
Debt instrument, fee amount		$ 1,000,000
Verde Credit Facility \| Line of Credit \| Verde Investments, Inc. \| Affiliated Entity
Related Party Transaction [Line Items]
Line of credit facility, maximum borrowing capacity		$ 50,000,000.0
Debt instrument, maximum number of draws \| draw		5
Line of credit facility, minimum borrowing per draw		$ 10,000,000.0
Verde credit facility		$ 20,000,000
Interest rate		12.00%
Long-term line of credit, prepayment requirement associated with sale of equity, proceeds threshold		$ 5,000,000.0
Long-term line of credit, prepayment requirement associated with issuance of unsecured debt, debt amount threshold		$ 5,000,000.0