DESCRIPTION OF BUSINESS AND BASIS OF PRESENTATION (Details) $ in Millions	3 Months Ended		6 Months Ended
	Jun. 30, 2022 USD ($) State	Jun. 30, 2021 USD ($)	Jun. 30, 2022 USD ($) State School Campus Segment	Jun. 30, 2021 USD ($)
Business Activities [Abstract]
Number of schools | School			22
Number of states in which schools operate across the United States | State	14		14
Number of campuses treated as destination schools | Campus			5
Number of reportable operating segments | Segment			2
Income Taxes [Abstract]
Interest and penalties expense | $	$ 0	$ 0	$ 0	$ 0