BASIS OF PRESENTATION OF UNAUDITED CONDENSED CONSOLIDATED FINANCIAL STATEMENTS AND SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES - Goodwill (Details) - USD ($) $ in Thousands	Sep. 30, 2025	Jun. 30, 2025	Dec. 19, 2024
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Goodwill	$ 183,082	$ 183,436
Alline Salon Group
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Goodwill			$ 10,252
Company Owned Reporting Unit
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Goodwill	10,300	10,300
Company Owned Reporting Unit | Alline Salon Group
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Goodwill	10,300
Franchise Reporting Unit
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Goodwill	$ 172,800	$ 173,200