Derivative instruments and hedging activities - Summary of Unrealized Gain (Loss) Recognized in Other Comprehensive Income (Loss) (Details) - European Wax Center, Inc. and Subsidiaries - USD ($) $ in Thousands	3 Months Ended			6 Months Ended
	Jun. 25, 2022	Jun. 26, 2021	Mar. 27, 2021	Jun. 25, 2022	Jun. 26, 2021
Derivatives designated as hedging instruments:
Total		$ 80	$ 159
Other Comprehensive Income (Loss) | Designated as Hedging Instrument
Derivatives designated as hedging instruments:
Total	$ 0	80		$ 0	$ 239
Other Comprehensive Income (Loss) | Interest Rate Cap | Designated as Hedging Instrument
Derivatives designated as hedging instruments:
Total	$ 0	$ 80		$ 0	$ 239