CONSOLIDATED STATEMENTS OF OPERATIONS - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2023	Dec. 31, 2022
CONSOLIDATED STATEMENTS OF OPERATIONS [Abstract]
REVENUE	$ 378,070	$ 348,287
COSTS AND EXPENSES:
Educational services and facilities	162,275	148,746
Selling, general and administrative	209,135	182,391
Gain on sale of assets	(30,918)	(177)
Impairment of goodwill and long-lived assets	4,220	1,049
Total costs and expenses	344,712	332,009
OPERATING INCOME	33,358	16,278
OTHER:
Interest income	2,628	318
Interest expense	(347)	(160)
INCOME BEFORE INCOME TAXES	35,639	16,436
PROVISION FOR INCOME TAXES	9,642	3,802
NET INCOME	25,997	12,634
PREFERRED STOCK DIVIDENDS	0	1,111
INCOME AVAILABLE TO COMMON STOCKHOLDERS	$ 25,997	$ 11,523
Basic
Net income per common share (in dollars per share)	$ 0.86	$ 0.36
Diluted
Net income per common share (in dollars per share)	$ 0.85	$ 0.36
Weighted average number of common shares outstanding:
Basic (in shares)	30,105,194	25,879,483
Diluted (in shares)	30,540,628	25,879,483