Unaudited Condensed Consolidated Statements of Income and Comprehensive Income - USD ($) shares in Thousands, $ in Thousands		3 Months Ended
		Mar. 31, 2020	Mar. 31, 2019
REVENUE:
Total revenue		$ 170,994	$ 157,853
OPERATING EXPENSES:
Educational services and facilities		26,911	26,327
General and administrative		103,529	99,322
Depreciation and amortization		2,639	2,233
Asset impairment		612
Total operating expenses		133,691	127,882
Operating income		37,303	29,971
OTHER INCOME:
Interest income		1,487	1,440
Interest expense		(41)	(42)
Miscellaneous (expense) income		(13)	226
Total other income		1,433	1,624
PRETAX INCOME		38,736	31,595
Provision for income taxes		9,604	6,407
INCOME FROM CONTINUING OPERATIONS		29,132	25,188
LOSS FROM DISCONTINUED OPERATIONS, net of tax		(26)	(397)
NET INCOME		29,106	24,791
OTHER COMPREHENSIVE (LOSS) INCOME, net of tax:
Foreign currency translation adjustments		(48)	(52)
Unrealized (loss) gain on investments		(839)	399
Total other comprehensive (loss) income		(887)	347
COMPREHENSIVE INCOME		$ 28,219	$ 25,138
NET INCOME (LOSS) PER SHARE - BASIC:
Income from continuing operations		$ 0.42	$ 0.36
Loss from discontinued operations			(0.01)
Net income per share		0.42	0.35
NET INCOME (LOSS) PER SHARE - DILUTED:
Income from continuing operations		0.41	0.35
Net income per share		$ 0.41	$ 0.35
WEIGHTED AVERAGE SHARES OUTSTANDING:
Basic		69,839	69,837
Diluted		71,714	71,492
Tuition and Fees [Member]
REVENUE:
Total revenue		$ 170,394	$ 157,228
Other [Member]
REVENUE:
Total revenue	[1]	$ 600	$ 625

[1] Other revenue primarily includes contract training revenue and bookstore sales.