Consolidated Statements of Income - USD ($) shares in Thousands, $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2025	Sep. 30, 2024	Sep. 30, 2025	Sep. 30, 2024
Income Statement [Abstract]
Revenue	$ 163,215	$ 153,122	$ 490,532	$ 460,449
Costs and expenses:
Instructional costs and services	74,698	75,401	228,065	224,042
Selling and promotional	36,139	33,459	106,392	99,753
General and administrative	34,689	35,030	109,243	105,733
Depreciation and amortization	3,946	5,080	12,026	15,440
Loss on sale of subsidiary	3,877	0	3,877	0
Loss on assets held for sale (Note 4)	0	0	1,527	0
Loss on leases (Note 5)	77	0	77	3,715
Loss on disposals of long-lived assets	92	23	357	235
Total costs and expenses	153,518	148,993	461,564	448,918
Income from operations before interest and income taxes	9,697	4,129	28,968	11,531
Interest expense, net	(1,069)	(631)	(3,064)	(1,542)
Income before income taxes	8,628	3,498	25,904	9,989
Income tax expense	3,068	1,236	6,955	2,433
Equity investment loss	0	0	0	(4,407)
Net income	5,560	2,262	18,949	3,149
Preferred stock dividends	0	1,531	2,751	4,597
Loss on redemption of preferred stock	0	0	3,501	0
Net income (loss) available to common stockholders basic	5,560	731	12,697	(1,448)
Net income (loss) available to common stockholders diluted	$ 5,560	$ 731	$ 12,697	$ (1,448)
Income (loss) per common share:
Basic (in dollars per share)	$ 0.31	$ 0.04	$ 0.71	$ (0.08)
Diluted (in dollars per share)	$ 0.30	$ 0.04	$ 0.68	$ (0.08)
Weighted average number of common shares:
Basic (in shares)	18,070	17,679	17,982	17,604
Diluted (in shares)	18,755	18,247	18,596	18,076