Percentage points added to the reference rate to compute the variable rate on the debt instrument.

No definition available.

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- Definition

States whether the entity was in compliance with the debt covenants throughout the reporting period, and describes facts and circumstances of any compliance failure.

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- Definition

Description of minimum financial levels (for example, tangible net worth and working capital) and achievement of certain financial ratios (for example, working capital ratio and debt service coverage ratio), and adherence to certain clauses which generally require or restrict certain actions (for example, entering into a debt arrangement with equal or greater seniority, and selling or discontinuing a certain business segment or material subsidiary) to be in compliance with the covenant clauses of the debt agreement. May also include a discussion of the adverse consequences that would result if the entity violates or fails to satisfy the covenants.

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- Definition

Amount of the cost of borrowed funds accounted for as interest expense for debt.

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Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- Definition

Interest earned on deposits in United States money market accounts and other United States interest earning accounts.

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- Definition

The carrying value as of the balance sheet date of the current and noncurrent portions 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.

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Period Type:	instant

- Definition

Amount of current borrowing capacity under the credit facility considering any current restrictions on the amount that could be borrowed (for example, borrowings may be limited by the amount of current assets), but without considering any amounts currently outstanding under the facility.

+ References

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- Definition

Description of the terms of a credit facility arrangement. Terms typically include interest rate, collateral required, guarantees required, repayment requirements, and restrictions on use of assets and activities of the entity.

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- Definition

Date the credit facility terminates, in CCYY-MM-DD format.

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- 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.

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- 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.

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- Definition

Amount of borrowing capacity currently available under the credit facility (current borrowing capacity less the amount of borrowings outstanding).

+ References

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- Definition

Weighted average interest rate of short-term debt outstanding calculated at point in time.

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- Definition

Availability fee payable each quarter on average unused capacity from prior quarter floorplan allowance percentage.

+ References

No definition available.

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- Definition

Debt instrument covenant percentage of deposit in basis of monthly credit line availability.

+ References

No definition available.

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- Definition

Debt instrument covenant to maintain credit line availability on deposit.

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No definition available.

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- Definition

Debt instrument covenant to maintain minimum liquidity percentage of outstanding borrowings in cash and cash equivalents.

+ References

No definition available.

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- Definition

Debt instrument covenant to maintain minimum percentage of outstanding borrowings in cash and cash equivalents.

+ References

No definition available.

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- Definition

Debt instrument covenant to maintain minimum tangible adjusted net worth.

+ References

No definition available.

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Balance Type:	debit
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- Definition

Debt instrument covenant to maintain principal balance outstanding.

+ References

No definition available.

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- Definition

Line of credit facility expiration, year and month.

+ References

No definition available.

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- Definition

Period of LIBOR measurement.

+ References

No definition available.

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Balance Type:	na
Period Type:	duration

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Vehicle Floorplan Facilities - Additional Information (Details) - USD ($)	1 Months Ended		12 Months Ended
	Oct. 31, 2020	Mar. 31, 2020	Dec. 31, 2020	Dec. 31, 2019	Dec. 31, 2018
Vehicle Floorplan Facilities
Line Of Credit Facility [Line Items]
Outstanding borrowings			$ 329,200,000	$ 173,500,000
Interest expense			$ 9,700,000	$ 10,400,000	$ 4,700,000
Weighted average interest rate			4.39%	6.00%
Debt instrument, covenant compliance			As of December 31, 2020 and 2019, the Company was in compliance with all covenants related to the vehicle floorplan facilities.
Vehicle Floorplan Facilities \| Credit Balance Agreements
Line Of Credit Facility [Line Items]
Interest credits earned			$ 5,400,000	$ 5,100,000	$ 2,900,000
Ally Bank and Ally Financial \| Line Of Credit \| 2020 Vehicle Floorplan Facility
Line Of Credit Facility [Line Items]
Line of credit facility, maximum borrowing capacity		$ 450,000,000
Expiration term		2021-03
Line of credit facility, description			The amount of credit available is determined on a monthly basis based on a calculation that considers average outstanding borrowings and vehicle units paid off by the Company within the immediately preceding three-month period.
Line of credit facility, current borrowing capacity			$ 356,900,000
Line of credit facility, unutilized borrowing capacity			$ 27,700,000
Period of LIBOR measurement		1 month
Basis points		4.25%
Debt instrument, covenant description			The 2020 Vehicle Floorplan Facility is collateralized by the Company’s vehicle inventory and certain other assets and the Company is subject to covenants that require it to maintain a certain level of equity in the vehicles that are financed, to maintain at least 10% of the outstanding borrowings in cash and cash equivalents, to maintain 10% of the monthly credit line availability on deposit with Ally Bank and to maintain a minimum tangible adjusted net worth of $167.0 million, which is defined as shareholder equity (deficit) plus redeemable convertible preferred stock as determined under U.S. GAAP.
Debt instrument covenant to maintain minimum percentage of outstanding borrowings in cash and cash equivalents		10.00%
Debt instrument covenant percentage of deposit in basis of monthly credit line availability		10.00%
Debt instrument covenant to maintain minimum tangible adjusted net worth		$ 167,000,000
Ally Bank and Ally Financial \| Line Of Credit \| Amended 2020 Vehicle Floorplan Facility
Line Of Credit Facility [Line Items]
Line of credit facility expiration date	Sep. 30, 2022
Availability fee payable each quarter on average unused capacity from prior quarter floorplan allowance percentage	50.00%
Debt instrument covenant to maintain credit line availability on deposit	10.00%
Debt instrument covenant to maintain principal balance outstanding	10.00%
Ally Bank and Ally Financial \| Line Of Credit \| Amended 2020 Vehicle Floorplan Facility \| Minimum [Member]
Line Of Credit Facility [Line Items]
Debt instrument covenant to maintain minimum liquidity percentage of outstanding borrowings in cash and cash equivalents	10.00%
Ally Bank and Ally Financial \| Line Of Credit \| Amended 2020 Vehicle Floorplan Facility \| Maximum
Line Of Credit Facility [Line Items]
Debt instrument covenant to maintain minimum liquidity percentage of outstanding borrowings in cash and cash equivalents	7.50%
Ally Bank and Ally Financial \| Revolving Line of Credit \| 2016 Vehicle Floorplan Facility
Line Of Credit Facility [Line Items]
Line of credit facility, maximum borrowing capacity				$ 220,000,000
Period of LIBOR measurement				1 month
Basis points				4.25%