v3.25.2

Leases - Additional information (Details) $ in Thousands	3 Months Ended		6 Months Ended
Leases - Additional information (Details) $ in Thousands	Jun. 29, 2025 USD ($) agreement	Mar. 30, 2025 USD ($)	Jun. 29, 2025 USD ($)
Leases
Right-of-Use asset	$ 400	$ 3,100
Operating lease liability		3,200
Gain on lease modification		$ 100	$ 92
Number of lease agreement terminated \| agreement	1
Remaining lease liability	$ 400
Gain on lease termination	200		229
Termination penalties	$ 200		$ 200

Amount of gain (loss) on modification of lease.

+ References

No definition available.

+ Details

Name:	lvlu_GainLossOnModificationOfLease
Namespace Prefix:	lvlu_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

- Definition

Number of lease agreement terminated during the period.

+ References

No definition available.

+ Details

Name:	lvlu_NumberOfLeaseAgreementTerminated
Namespace Prefix:	lvlu_
Data Type:	xbrli:integerItemType
Balance Type:	na
Period Type:	duration

- Definition

The amount of derecognition in operating lease liability due to modification of lease.

+ References

No definition available.

+ Details

Name:	lvlu_OperatingLeaseLiabilityDerecognitionOnModification
Namespace Prefix:	lvlu_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

- Definition

The amount of derecognition in operating lease liability due to termination of lease.

+ References

No definition available.

+ Details

Name:	lvlu_OperatingLeaseLiabilityDerecognitionOnTermination
Namespace Prefix:	lvlu_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

- Definition

The amount of derecognition in right-of-use asset due to modification of lease.

+ References

No definition available.

+ Details

Name:	lvlu_OperatingLeaseRightOfUseAssetDerecognitionOnModification
Namespace Prefix:	lvlu_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

- Definition

Amount of termination penalties payable under operating lease.

+ References

No definition available.

+ Details

Name:	lvlu_OperatingLeaseTerminationPenalties
Namespace Prefix:	lvlu_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

Amount of gain (loss) on termination of lease before expiration of lease term.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 842
-SubTopic 20
-Name Accounting Standards Codification
-Section 40
-Paragraph 1
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147479092/842-20-40-1

+ Details

Name:	us-gaap_GainLossOnTerminationOfLease
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

- References

No definition available.

+ Details

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

Lulu's Fashion Lounge Holdings, Inc. 10-Q