Decrease in noncontrolling interest (for example, but not limited to, redeeming or purchasing the interests of noncontrolling shareholders, issuance of shares (interests) by the non-wholly owned subsidiary to the parent entity for other than cash, and a buyback of shares (interest) by the non-wholly owned subsidiary from the noncontrolling interests).

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 505
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SX 210.3-04)
-URI http://asc.fasb.org/extlink&oid=27012166&loc=d3e187085-122770

Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 810
-SubTopic 10
-Section 45
-Paragraph 23
-URI http://asc.fasb.org/extlink&oid=96868048&loc=SL4569655-111683

Reference 3: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 810
-SubTopic 10
-Section 45
-Paragraph 24
-URI http://asc.fasb.org/extlink&oid=96868048&loc=SL4616395-111683

Name:	us-gaap_MinorityInterestDecreaseFromRedemptions
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

Non-controlling Interests (Details) $ in Thousands		3 Months Ended	5 Months Ended	9 Months Ended
Non-controlling Interests (Details) $ in Thousands	May 03, 2017	Sep. 30, 2017 USD ($)	Sep. 30, 2017 USD ($)	Sep. 30, 2017 USD ($)
Noncontrolling Interest [Line Items]
Conversion ratio	0.8			1.25
Carvana Group
Noncontrolling Interest [Line Items]
Ownership percentage by Carvana Co.		11.00%	11.00%	11.00%
Ownership percentage by existing unitholders		89.00%	89.00%	89.00%
Non-controlling Interests
Noncontrolling Interest [Line Items]
(Decrease) increase in additional paid-in capital as a result of adjustments to the non-controlling interests		$ 500	$ (333)	$ (300)
Additional Paid-in Capital
Noncontrolling Interest [Line Items]
(Decrease) increase in additional paid-in capital as a result of adjustments to the non-controlling interests		$ (513)	$ 333	$ 333