Stock Options, Restricted Stock and Restricted Stock Units (Tables)

6 Months Ended

Jun. 30, 2016

Stock Options, Restricted Stock and Restricted Stock Units [Abstract]

Schedule of restricted stock and restricted stock units activity

	Number of shares or units	Weighted- average Grant price
Balance, December 31, 2015	634,327	$	104.66
Grants	188,167		50.59
Vested shares	(23,539)		50.43
Forfeitures	(433)		115.55
Balance, June 30, 2016	798,522	$	94.36

Schedule of stock option activity and other stock option information

				Weighted-
				average
		Weighted-		remaining	Aggregate
	Numberof	average		contractual	intrinsic value(1)
	shares	exerciseprice		life (years)	(in thousands)
Balance, December 31, 2015	100,000	$	51.95	5.1	$	817
Grants	—		—
Exercises	—		—
Forfeitures/Expirations	—		—
Balance, June 30, 2016	100,000	$	51.95	4.6	$	—
Exercisable, June 30, 2016	100,000	$	51.95	4.6	$	—

Schedule of stock-based compensation expense

	For the three months ended				For the six months ended
	June 30,				June 30,
	2015		2016		2015		2016
Instruction and educational support	$	546	$	(438)	$	914	$	155
Marketing		—		—		—		—
Admissions advisory		—		—		—		—
General and administration		1,926		2,474		4,009		4,771
Stock-based compensation expense included in operating expense		2,472		2,036		4,923		4,926
Tax benefit		986		802		1,942		1,900
Stock-based compensation expense, net of tax	$	1,486	$	1,234	$	2,981	$	3,026