Members' Equity (Deficit) - Costs Related to the IPO (Details) - Carvana, LLC - USD ($) $ in Millions	3 Months Ended
Mar. 31, 2017	Dec. 31, 2016
Class of Stock [Line Items]
Stock issuance costs incurred	$ 1.9
Stock issuance costs, deferred	$ 3.2	$ 1.3

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.

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