REVENUE RECOGNITION - Depicts Timing of Revenue Recognition by Segment (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2025	Dec. 31, 2024	Dec. 31, 2023
REVENUE RECOGNITION [Abstract]
Revenue	$ 518,241	$ 440,064	$ 378,070
Campus Operations [Member]
REVENUE RECOGNITION [Abstract]
Revenue	518,241	432,966	367,233
Transitional [Member]
REVENUE RECOGNITION [Abstract]
Revenue	0	7,098	10,837
Services Transferred at a Point in Time [Member]
REVENUE RECOGNITION [Abstract]
Revenue	33,086	28,057	22,937
Services Transferred at a Point in Time [Member] | Campus Operations [Member]
REVENUE RECOGNITION [Abstract]
Revenue	33,086	26,877	21,403
Services Transferred at a Point in Time [Member] | Transitional [Member]
REVENUE RECOGNITION [Abstract]
Revenue	0	1,180	1,534
Services Transferred over Time [Member]
REVENUE RECOGNITION [Abstract]
Revenue	485,155	412,007	355,133
Services Transferred over Time [Member] | Campus Operations [Member]
REVENUE RECOGNITION [Abstract]
Revenue	485,155	406,089	345,830
Services Transferred over Time [Member] | Transitional [Member]
REVENUE RECOGNITION [Abstract]
Revenue	$ 0	$ 5,918	$ 9,303