Unaudited Condensed Consolidated Statements of Income - USD ($) shares in Thousands, $ in Thousands	3 Months Ended
	Mar. 31, 2019	Mar. 31, 2018
Income Statement [Abstract]
Revenues	$ 246,508	$ 116,469
Costs and expenses:
Instructional and support costs	134,050	68,452
General and administration	64,139	31,342
Amortization of intangible assets	15,417	0
Merger and integration costs	7,179	5,347
Total costs and expenses	220,785	105,141
Income from operations	25,723	11,328
Other income	3,327	289
Income before income taxes	29,050	11,617
Provision for income taxes	17,550	2,150
Net income	$ 11,500	$ 9,467
Earnings per share:
Basic (In Dollars per Share)	$ 0.53	$ 0.88
Diluted (In Dollars per Share)	$ 0.52	$ 0.84
Weighted average shares outstanding:
Basic (In Shares)	21,499	10,745
Diluted (In Shares)	22,050	11,311
Cash dividend declared per share (in dollars per share)	$ 0.5	$ 0.25