BASIS OF PRESENTATION OF UNAUDITED INTERIM CONDENSED CONSOLIDATED FINANCIAL STATEMENTS AND SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES - Salon Long-Lived Asset and Right of Use Asset Impairment Assessments (Details) - USD ($) $ in Thousands	3 Months Ended
	Sep. 30, 2020	Jun. 30, 2020	Sep. 30, 2019
Accounting Policies [Abstract]
Long-lived asset impairment	$ 5,824		$ 0
Operating lease, impairment loss	4,600	$ 17,400
Salon asset impairments	$ 1,200		$ 1,500