SEGMENTS (Details) $ in Thousands	3 Months Ended		12 Months Ended
	Mar. 31, 2023 USD ($)	Mar. 31, 2022 USD ($)	Dec. 31, 2022 USD ($) Segment
SEGMENTS [Abstract]
Number of reportable operating segments | Segment			2
Summary financial information by reporting segment [Abstract]
Revenues	$ 87,284	$ 82,554
Percentage of Total Revenue	100.00%	100.00%
Operating Income (Loss)	$ (1,116)	$ (326)
Total Assets	281,093		$ 291,566
Campus Operations [Member]
Summary financial information by reporting segment [Abstract]
Revenues	86,352	80,781
Reportable Segments [Member] | Campus Operations [Member]
Summary financial information by reporting segment [Abstract]
Revenues	$ 86,352	$ 80,782
Percentage of Total Revenue	98.90%	97.90%
Operating Income (Loss)	$ 10,109	$ 8,614
Total Assets	179,017		190,473
Reportable Segments [Member] | Transitional [Member]
Summary financial information by reporting segment [Abstract]
Revenues	$ 932	$ 1,772
Percentage of Total Revenue	1.10%	2.10%
Operating Income (Loss)	$ (197)	$ (62)
Total Assets	1,136		1,498
Corporate [Member]
Summary financial information by reporting segment [Abstract]
Revenues	0	0
Operating Income (Loss)	(11,028)	$ (8,878)
Total Assets	$ 100,940		$ 99,595