CONDENSED CONSOLIDATED STATEMENTS OF OPERATIONS - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2023	Jun. 30, 2022	Jun. 30, 2023	Jun. 30, 2022
CONDENSED CONSOLIDATED STATEMENTS OF OPERATIONS [Abstract]
REVENUE	$ 88,646	$ 82,142	$ 175,929	$ 164,697
COSTS AND EXPENSES:
Educational services and facilities	40,030	36,106	78,123	72,302
Selling, general and administrative	51,814	45,835	102,119	92,520
Gain on sale of assets	(30,933)	(195)	(30,933)	(195)
Impairment of goodwill and long-lived assets	4,220	0	4,220	0
Total costs & expenses	65,131	81,746	153,529	164,627
OPERATING INCOME	23,515	396	22,400	70
OTHER:
Interest income	547	0	1,013	0
Interest expense	(28)	(35)	(53)	(77)
INCOME (LOSS) BEFORE INCOME TAXES	24,034	361	23,360	(7)
PROVISION (BENEFIT) FOR INCOME TAXES	6,784	102	6,219	(539)
NET INCOME	17,250	259	17,141	532
PREFERRED STOCK DIVIDENDS	0	304	0	608
INCOME (LOSS) AVAILABLE TO COMMON SHAREHOLDERS	$ 17,250	$ (45)	$ 17,141	$ (76)
Basic
Net income (loss) per common share (in dollars per share)	$ 0.57	$ 0	$ 0.57	$ 0
Diluted
Net income (loss) per common share (in dollars per share)	$ 0.57	$ 0	$ 0.57	$ 0
Weighted average number of common shares outstanding:
Basic (in shares)	30,140,221	25,962,617	30,090,113	25,842,456
Diluted (in shares)	30,397,308	25,962,617	30,333,495	25,842,456