GOODWILL AND INTANGIBLES - Components of Other Intangibles (Details) - USD ($) $ in Thousands	9 Months Ended
	Sep. 30, 2021	Dec. 31, 2020
Acquired Finite-Lived Intangible Assets [Line Items]
Expected useful life (in years)	20 years
Accumulated amortization	$ (1,572)	$ (1,332)
Total	$ 4,830	5,070
Customer relationships – universities
Acquired Finite-Lived Intangible Assets [Line Items]
Expected useful life (in years)	20 years
Other intangibles, gross	$ 6,402	$ 6,402