Debt Instruments - Floor Plan Facility (Details) - USD ($)	1 Months Ended
	Feb. 28, 2017	Mar. 31, 2017	Dec. 31, 2016
Floor Plan Facility | Line of Credit
Line of Credit Facility [Line Items]
Line of credit facility, remaining borrowing capacity		$ 10,300,000
Carvana, LLC
Line of Credit Facility [Line Items]
Line of credit, outstanding		189,736,000	$ 165,313,000
Restricted cash		$ 11,488,000	10,266,000
Carvana, LLC | Floor Plan Facility | Line of Credit
Line of Credit Facility [Line Items]
Line of credit facility, maximum borrowing capacity	$ 200,000,000
Debt instrument, extension period	364 days
Deposit required under floor plan facility, percentage of principal balance		5.00%
Term of principal payments	5 days
Principal repayment, term threshold after sale of used vehicle	15 days
Principal repayment, term threshold after sale of related finance receivable	1 day
Outstanding balance, days held in inventory threshold	180 days
Outstanding balance, held in inventory, percentage of original principal amount due	10.00%
Outstanding balance, held in inventory, original principal amount, threshold	50.00%
Outstanding balance, held in inventory, wholesale value, threshold	50.00%
Interest rate		4.78%
Line of credit, outstanding		$ 189,700,000	165,300,000
Line of credit facility, remaining borrowing capacity			34,700,000
Restricted cash		$ 9,500,000	$ 8,400,000
London Interbank Offered Rate (LIBOR) | Carvana, LLC | Floor Plan Facility | Line of Credit
Line of Credit Facility [Line Items]
Debt instrument, basis spread on variable rate	3.80%