Derivative instruments and hedging activities - Summary of Interest Rate Derivative (Details) - European Wax Center, Inc. and Subsidiaries - Interest Rate Cap - Designated as Hedging Instrument - Cash Flow Hedging - USD ($) $ in Thousands	Jun. 25, 2022	Dec. 25, 2021
Derivatives designated as hedging instruments:
Total derivative liabilities designated as hedging instruments	$ (0)	$ (242)
Other Current Liabilities [Member]
Derivatives designated as hedging instruments:
Total derivative liabilities designated as hedging instruments	(0)	(182)
Other Long-Term Liabilities [Member]
Derivatives designated as hedging instruments:
Total derivative liabilities designated as hedging instruments	$ (0)	$ (60)