SEGMENT REPORTING (Details) $ in Thousands	12 Months Ended
	Dec. 31, 2023 USD ($) Segment	Dec. 31, 2022 USD ($)
SEGMENT REPORTING [Abstract]
Number of reportable operating segments | Segment	2
Estimated costs to close campus	$ 2,000
Summary financial information by reporting segment [Abstract]
Revenue	$ 378,070	$ 348,287
Percentage of Total Revenue	100.00%	100.00%
Operating Income (Loss)	$ 33,358	$ 16,278
Assets	345,249	291,566
Campus Operations [Member]
Summary financial information by reporting segment [Abstract]
Revenue	376,602	341,440
Reportable Segments [Member] | Campus Operations [Member]
Summary financial information by reporting segment [Abstract]
Revenue	$ 376,602	$ 341,440
Percentage of Total Revenue	99.60%	98.00%
Operating Income (Loss)	$ 47,579	$ 49,524
Assets	234,940	190,473
Reportable Segments [Member] | Transitional [Member]
Summary financial information by reporting segment [Abstract]
Revenue	$ 1,468	$ 6,847
Percentage of Total Revenue	0.40%	2.00%
Operating Income (Loss)	$ (1,914)	$ (430)
Assets	262	1,499
Corporate [Member]
Summary financial information by reporting segment [Abstract]
Revenue	0	0
Operating Income (Loss)	(12,307)	(32,816)
Assets	$ 110,047	$ 99,594