UNAUDITED CONDENSED CONSOLIDATED STATEMENTS OF INCOME (LOSS) - USD ($) shares in Thousands, $ in Thousands	3 Months Ended
	Mar. 31, 2024	Mar. 31, 2023
Income Statement [Abstract]
Revenues	$ 290,250	$ 256,606
Costs and expenses:
Instructional and support costs	157,709	152,938
General and administration	96,695	95,465
Amortization of intangible assets	0	3,532
Merger and integration costs	0	425
Restructuring costs	(5,510)	5,595
Total costs and expenses	248,894	257,955
Income (loss) from operations	41,356	(1,349)
Other income	1,794	398
Income (loss) before income taxes	43,150	(951)
Provision for income taxes	13,448	1,077
Net income (loss)	$ 29,702	$ (2,028)
Earnings (loss) per share:
Basic (in dollars per share)	$ 1.27	$ (0.09)
Diluted (in dollars per share)	$ 1.23	$ (0.09)
Weighted average shares outstanding:
Basic (in shares)	23,391	23,430
Diluted (in shares)	24,060	23,430