Long-term Debt - Schedule of Debt (Details) - USD ($) $ in Thousands	Jan. 06, 2024	Dec. 31, 2022	Apr. 06, 2022
Debt Instrument [Line Items]
Total long-term debt principal	$ 394,000
European Wax Center, Inc. and Subsidiaries
Debt Instrument [Line Items]
Less: current portion	(4,000)	$ (4,000)
Total long-term debt principal	390,000	394,000
Less: unamortized debt discount and deferred financing costs	(18,000)	(23,065)
Total long-term debt, net	372,000	370,935
Class A-2 Notes [Member]
Debt Instrument [Line Items]
Term loan			$ 400,000
Class A-2 Notes [Member] | European Wax Center, Inc. and Subsidiaries
Debt Instrument [Line Items]
Term loan	$ 394,000	$ 398,000