Description of Business and Basis of Presentation	9 Months Ended
Sep. 30, 2020
Organization Consolidation And Presentation Of Financial Statements [Abstract]
Description of Business and Basis of Presentation	1. Description of Business and Basis of Presentation Description of Business and Organization Vroom, Inc., and its wholly owned subsidiaries (collectively, “the Company”) is an innovative, end-to-end ecommerce platform that is transforming the used vehicle industry by offering a better way to buy and a better way to sell used vehicles. In December 2015, the Company acquired Houston-based Left Gate Property Holding, LLC (d/b/a Texas Direct Auto and Vroom) which operates the Company’s sole physical retail location under the Texas Direct Auto brand (“TDA”). The Company currently is organized into three reportable segments: Ecommerce, TDA, and Wholesale. The Ecommerce reportable segment represents retail sales of used vehicles through the Company’s ecommerce platform and fees earned on sales of value-added products associated with those vehicles sales. The TDA reportable segment represents retail sales of used vehicles from TDA and fees earned on sales of value-added products associated with those vehicles sales. The Wholesale reportable segment represents sales of used vehicles through wholesale auctions. The Company was incorporated in Delaware on January 31, 2012 under the name BCM Partners III, Corp. On June 25, 2013, the Company changed its name to Auto America, Inc. and on July 9, 2015, the Company changed its name to Vroom, Inc. Stock Split In connection with the closing of the Company’s initial public offering (“IPO”) on June 11, 2020, the Company effected a 2-for-1 forward stock split of the Company’s common stock, which became effective immediately prior to the consummation of the IPO. All shares of the Company’s common stock, stock-based instruments, and per-share data included in these condensed consolidated financial statements have been retroactively adjusted as though the stock split has been effected prior to all periods presented. Initial Public Offering The Company closed its IPO on June 11, 2020 in which it sold 24,437,500 shares of common stock at the public offering price of $22.00 per share, including 3,187,500 shares sold pursuant to exercise by the underwriters of their option to purchase additional shares. The Company received proceeds of $504.0 million from the IPO, net of the underwriting discount and before deducting offering expenses of $7.5 million. In addition, in accordance with their terms and consistent with the conversion rates discussed in Note 10 - Redeemable Convertible Preferred Stock and Stockholders’ (Deficit) Equity, all shares of the Company’s outstanding redeemable convertible preferred stock were automatically converted into common stock upon the closing of the IPO. Follow-on Public Offering The Company closed its follow-on public offering on September 15, 2020 in which it sold 10,800,000 shares of common stock at the public offering price of $54.50 per share. The Company received proceeds of $569.5 million from the offering, net of the underwriting discount and before deducting offering expenses of $1.5 million. Basis of Presentation The interim condensed consolidated financial statements of the Company have been prepared in accordance with U.S. generally accepted accounting principles (“U.S. GAAP”) and applicable rules and regulations of the U.S. Securities and Exchange Commission ("SEC") regarding interim financial reporting. The condensed consolidated balance sheet as of December 31, 2019, included herein, was derived from the audited consolidated financial statements as of that date. Certain information and note disclosures normally included in the financial statements prepared in accordance with U.S. GAAP have been condensed or omitted pursuant to such rules and regulations. Therefore, these interim condensed consolidated financial statements should be read in conjunction with the consolidated financial statements and notes included in the final prospectus dated September 10, 2020 and filed with the SEC pursuant to Rule 424(b)(4) under the Securities Act of 1933, as amended, (the "Securities Act"), on September 11, 2020 (the "Prospectus"). The unaudited interim condensed consolidated financial statements have been prepared on the same basis as the audited consolidated financial statements, and in management’s opinion, include all adjustments, which consist of only normal recurring adjustments necessary for the fair statement of the Company’s condensed consolidated balance sheet as of September 30, 2020 and its results of operations for the three and nine months ended September 30, 2019 and 2020. The results for the three and nine months ended September 30, 2020 are not necessarily indicative of the results expected for the current fiscal year or any other future periods. Certain prior year amounts have been reclassified to conform to the current year presentation. Except as described elsewhere in Note 2 to the condensed consolidated financial statements, there have been no material changes to the Company's significant accounting policies as described in the Prospectus. Principles of Consolidation The accompanying condensed consolidated financial statements include the accounts of the Company and its wholly owned subsidiaries. All intercompany accounts and transactions have been eliminated in consolidation.

Description of Business and Basis of Presentation

9 Months Ended

Sep. 30, 2020

Organization Consolidation And Presentation Of Financial Statements [Abstract]

Description of Business and Basis of Presentation

1. Description of Business and Basis of Presentation

Description of Business and Organization

Vroom, Inc., and its wholly owned subsidiaries (collectively, “the Company”) is an innovative, end-to-end ecommerce platform that is transforming the used vehicle industry by offering a better way to buy and a better way to sell used vehicles.

In December 2015, the Company acquired Houston-based Left Gate Property Holding, LLC (d/b/a Texas Direct Auto and Vroom) which operates the Company’s sole physical retail location under the Texas Direct Auto brand (“TDA”).

The Company currently is organized into three reportable segments: Ecommerce, TDA, and Wholesale. The Ecommerce reportable segment represents retail sales of used vehicles through the Company’s ecommerce platform and fees earned on sales of value-added products associated with those vehicles sales. The TDA reportable segment represents retail sales of used vehicles from TDA and fees earned on sales of value-added products associated with those vehicles sales. The Wholesale reportable segment represents sales of used vehicles through wholesale auctions.

The Company was incorporated in Delaware on January 31, 2012 under the name BCM Partners III, Corp. On June 25, 2013, the Company changed its name to Auto America, Inc. and on July 9, 2015, the Company changed its name to Vroom, Inc.

Stock Split

In connection with the closing of the Company’s initial public offering (“IPO”) on June 11, 2020, the Company effected a 2-for-1 forward stock split of the Company’s common stock, which became effective immediately prior to the consummation of the IPO. All shares of the Company’s common stock, stock-based instruments, and per-share data included in these condensed consolidated financial statements have been retroactively adjusted as though the stock split has been effected prior to all periods presented.

Initial Public Offering

The Company closed its IPO on June 11, 2020 in which it sold 24,437,500 shares of common stock at the public offering price of $22.00 per share, including 3,187,500 shares sold pursuant to exercise by the underwriters of their option to purchase additional shares. The Company received proceeds of $504.0 million from the IPO, net of the underwriting discount and before deducting offering expenses of $7.5 million. In addition, in accordance with their terms and consistent with the conversion rates discussed in Note 10 - Redeemable Convertible Preferred Stock and Stockholders’ (Deficit) Equity, all shares of the Company’s outstanding redeemable convertible preferred stock were automatically converted into common stock upon the closing of the IPO.

Follow-on Public Offering

The Company closed its follow-on public offering on September 15, 2020 in which it sold 10,800,000 shares of common stock at the public offering price of $54.50 per share. The Company received proceeds of $569.5 million from the offering, net of the underwriting discount and before deducting offering expenses of $1.5 million.

Basis of Presentation

The interim condensed consolidated financial statements of the Company have been prepared in accordance with U.S. generally accepted accounting principles (“U.S. GAAP”) and applicable rules and regulations of the U.S. Securities and Exchange Commission ("SEC") regarding interim financial reporting. The condensed consolidated balance sheet as of December 31, 2019, included herein, was derived from the audited consolidated financial statements as of that date. Certain information and note disclosures normally included in the financial statements prepared in accordance with U.S. GAAP have been condensed or omitted pursuant to such rules and regulations. Therefore, these interim condensed consolidated financial statements should be read in conjunction with the consolidated financial statements and notes included in the final prospectus dated September 10, 2020 and filed with the SEC pursuant to Rule 424(b)(4) under the Securities Act of 1933, as amended, (the "Securities Act"), on September 11, 2020 (the "Prospectus").

The unaudited interim condensed consolidated financial statements have been prepared on the same basis as the audited consolidated financial statements, and in management’s opinion, include all adjustments, which consist of only normal recurring adjustments necessary for the fair statement of the Company’s condensed consolidated balance sheet as of September 30, 2020 and its results of operations for the three and nine months ended September 30, 2019 and 2020. The results for the three and nine months ended September 30, 2020 are not necessarily indicative of the results expected for the current fiscal year or any other future periods. Certain prior year amounts have been reclassified to conform to the current year presentation.

Except as described elsewhere in Note 2 to the condensed consolidated financial statements, there have been no material changes to the Company's significant accounting policies as described in the Prospectus.

Principles of Consolidation

The accompanying condensed consolidated financial statements include the accounts of the Company and its wholly owned subsidiaries. All intercompany accounts and transactions have been eliminated in consolidation.