Condensed Consolidated Statements of Income (Unaudited) - USD ($) shares in Thousands, $ in Thousands		3 Months Ended
		Mar. 31, 2022	Mar. 31, 2021
REVENUE:
Total revenue		$ 182,959	$ 183,638
OPERATING EXPENSES:
Educational services and facilities		28,088	28,974
General and administrative		106,296	110,045
Depreciation and amortization		4,882	4,002
Total operating expenses		139,266	143,021
Operating income		43,693	40,617
OTHER INCOME:
Interest income		333	359
Interest expense		(103)	(109)
Miscellaneous (expense) income		(89)	131
Total other income		141	381
PRETAX INCOME		43,834	40,998
Provision for income taxes		11,756	10,245
NET INCOME		$ 32,078	$ 30,753
NET INCOME PER SHARE - BASIC:		$ 0.47	$ 0.44
NET INCOME PER SHARE - DILUTED:		$ 0.46	$ 0.43
WEIGHTED AVERAGE SHARES OUTSTANDING:
Basic		68,746	70,149
Diluted		69,567	71,482
Tuition and Fees [Member]
REVENUE:
Total revenue		$ 181,327	$ 182,831
Other [Member]
REVENUE:
Total revenue	[1]	$ 1,632	$ 807

[1] Other revenue primarily includes contract training revenue and miscellaneous non-student related revenue.