Leases (Details) $ in Millions	6 Months Ended
Jul. 03, 2022 USD ($) lease
Leases
Number of finance leases \| lease	1
Remaining obligations for short-term leases \| $	$ 0.6

Amount of remaining operating lease obligations associated with short-term leases.

No definition available.

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