The amount owed to the reporting entity by counterparties in securitized loan transactions.

No definition available.

Name:	us-gaap_AccountsReceivableFromSecuritization
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

- Definition

Proceeds from securitizations of receivables treated as collateralized borrowings, which are classified as financing transactions.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 230
-SubTopic 10
-Section 45
-Paragraph 14
-Subparagraph (b)
-URI http://asc.fasb.org/extlink&oid=123570139&loc=d3e3255-108585

+ Details

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

- Definition

Detail information of subsequent event by type. User is expected to use existing line items from elsewhere in the taxonomy as the primary line items for this disclosure, which is further associated with dimension and member elements pertaining to a subsequent event.

+ References

No definition available.

+ Details

Name:	us-gaap_SubsequentEventLineItems
Namespace Prefix:	us-gaap_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

- Definition

Carrying value of finance receivables.

+ References

No definition available.

+ Details

Name:	vrm_CarryingValueOfFinanceReceivables
Namespace Prefix:	vrm_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

- Definition

Collateralized finance receivables.

+ References

No definition available.

+ Details

Name:	vrm_CollateralizedFinanceReceivables
Namespace Prefix:	vrm_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

- Definition

Percentage of retained notes and residual certificates sold.

+ References

No definition available.

+ Details

Name:	vrm_PercentageOfRetainedNotesAndResidualCertificatesSold
Namespace Prefix:	vrm_
Data Type:	dtr-types:percentItemType
Balance Type:	na
Period Type:	instant

- Details

Name:	us-gaap_BusinessAcquisitionAxis=vrm_UnitedAutoCreditCorporationMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_FinancialInstrumentAxis=us-gaap_AssetBackedSecuritiesMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_FinancialInstrumentAxis=vrm_ResidualInterestTwoThousandAndTwentyTwoOneSecuritizationMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_SubsequentEventTypeAxis=us-gaap_SubsequentEventMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

Subsequent Events - Additional Information (Details) - USD ($) $ in Millions		1 Months Ended	6 Months Ended
	Feb. 28, 2022	Jul. 31, 2022	Jun. 30, 2022
UACC
Subsequent Event [Line Items]
Collateralized finance receivable			$ 318.5
Percentage of notes and residual certificates sold	5.00%
Net proceeds from securitization	$ 317.3
Carrying value of finance receivables			$ 287.7
UACC \| Asset-backed Securities
Subsequent Event [Line Items]
Securitization transaction	281.4
UACC \| Residual Interest, 2022-1 Securitization
Subsequent Event [Line Items]
Securitization transaction	$ 32.3
Subsequent Events \| Asset-backed Securities
Subsequent Event [Line Items]
Securitization transaction		$ 242.3
Subsequent Events \| UACC
Subsequent Event [Line Items]
Collateralized finance receivable		$ 285.0
Percentage of notes and residual certificates sold		5.00%
Net proceeds from securitization		$ 265.6
Subsequent Events \| UACC \| Asset-backed Securities
Subsequent Event [Line Items]
Carrying value of finance receivables		246.9
Subsequent Events \| UACC \| Residual Interest, 2022-1 Securitization
Subsequent Event [Line Items]
Securitization transaction		$ 17.3