Inventory - Additional Information (Details) - USD ($) $ in Thousands	Dec. 25, 2021	Dec. 27, 2020	Dec. 26, 2020	Dec. 28, 2019
Inventory Disclosure [Abstract]
Inventory, net	$ 5,055	$ 6,599	$ 6,599	$ 1,229

Valuation allowance to reduce the carrying value of inventory to its realizable value.

No definition available.

Name:	ewcz_InventoryObsolescenceReserve
Namespace Prefix:	ewcz_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant