BASIS OF PRESENTATION OF UNAUDITED INTERIM CONDENSED CONSOLIDATED FINANCIAL STATEMENTS AND SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES - COVID-19 Impact (Details) - USD ($) $ in Millions	6 Months Ended		12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020	Jun. 30, 2021
Accounting Changes and Error Corrections [Abstract]
Employee retention tax credit			$ 1.5
Canada Emergency Wage Subsidy	$ 1.4	$ 1.6
Canada Emergency Rent Subsidy	$ 1.2	$ 0.0