Amount of lessee's undiscounted obligation for lease payment for operating lease.

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 842
-SubTopic 20
-Section 50
-Paragraph 6
-URI http://asc.fasb.org/extlink&oid=123408670&loc=SL77918701-209980

+ Details

Name:	us-gaap_LesseeOperatingLeaseLiabilityPaymentsDue
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

Term of lessee's operating lease, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents reported fact of one year, five months, and thirteen days.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 842
-SubTopic 20
-Section 50
-Paragraph 3
-Subparagraph (a)(3)
-URI http://asc.fasb.org/extlink&oid=123408670&loc=SL77918673-209980

+ Details

Name:	us-gaap_LesseeOperatingLeaseTermOfContract
Namespace Prefix:	us-gaap_
Data Type:	xbrli:durationItemType
Balance Type:	na
Period Type:	instant

- 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

Number Of Operating Lease Agreements

+ References

No definition available.

+ Details

Name:	wrby_NumberOfOperatingLeaseAgreements
Namespace Prefix:	wrby_
Data Type:	xbrli:integerItemType
Balance Type:	na
Period Type:	instant

- Details

Name:	srt_RangeAxis=srt_MinimumMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	srt_RangeAxis=srt_MaximumMember
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:

- Details

Name:	us-gaap_LeaseContractualTermAxis=wrby_NewAndExtendedLeaseTermsRetailSpaceUnitedStatesMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

Subsequent Events (Details) $ in Thousands	Oct. 01, 2022 USD ($) leaseAgreement	Sep. 30, 2022 USD ($)
Subsequent Event [Line Items]
Total undiscounted lease cash flows		$ 197,820
Minimum
Subsequent Event [Line Items]
Operating lease term period		3 years
Maximum
Subsequent Event [Line Items]
Operating lease term period		18 years
Subsequent Event \| New and Extended Lease Terms, Retail Space United States
Subsequent Event [Line Items]
Operating lease agreements \| leaseAgreement	4
Total undiscounted lease cash flows	$ 2,500
Subsequent Event \| New and Extended Lease Terms, Retail Space United States \| Minimum
Subsequent Event [Line Items]
Operating lease term period	6 years
Subsequent Event \| New and Extended Lease Terms, Retail Space United States \| Maximum
Subsequent Event [Line Items]
Operating lease term period	7 years