CONSOLIDATED STATEMENTS OF OPERATIONS - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2022	Dec. 31, 2021
CONDENSED CONSOLIDATED STATEMENTS OF OPERATIONS [Abstract]
REVENUE	$ 348,287	$ 335,336
COSTS AND EXPENSES:
Educational services and facilities	148,746	138,931
Selling, general and administrative	182,391	168,923
Gain on sale of assets	(177)	(22,479)
Impairment of long-lived assets	1,049	700
Total costs and expenses	332,009	286,075
OPERATING INCOME	16,278	49,261
OTHER:
Interest income	318	0
Interest expense	(160)	(2,015)
INCOME BEFORE INCOME TAXES	16,436	47,246
PROVISION FOR INCOME TAXES	3,802	12,528
NET INCOME	12,634	34,718
PREFERRED STOCK DIVIDENDS	1,111	1,219
INCOME AVAILABLE TO COMMON SHAREHOLDERS	$ 11,523	$ 33,499
Basic
Basic income per share (in dollars per share)	$ 0.36	$ 1.04
Diluted
Net income per share (in dollars per share)	$ 0.36	$ 1.04
Weighted average number of common shares outstanding:
Basic (in shares)	25,879,483	25,080,789
Diluted (in shares)	25,879,483	25,080,789