Consolidated Balance Sheets - USD ($) $ in Thousands	Jun. 30, 2016	Dec. 31, 2015
Current assets:
Cash and cash equivalents	$ 117,422	$ 106,889
Tuition receivable, net	19,053	18,519
Income taxes receivable	897
Other current assets	8,409	6,944
Total current assets	145,781	132,352
Property and equipment, net	72,577	77,139
Deferred income taxes	24,509	26,449
Goodwill	20,793	6,800
Other assets	13,891	5,694
Total assets	277,551	248,434
Current liabilities:
Accounts payable and accrued expenses	42,127	42,253
Income taxes payable		2,684
Deferred revenue	17,140	12,373
Other current liabilities	273	281
Total current liabilities	59,540	57,591
Other long-term liabilities	50,073	47,987
Total liabilities	109,613	105,578
Commitments and contingencies
Stockholders' equity:
Common stock, par value $0.01; 20,000,000 shares authorized; 11,027,177 and 11,164,911 shares issued and outstanding at December 31, 2015 and June 30, 2016, respectively	112	110
Additional paid-in capital	29,612	24,738
Retained earnings	138,214	118,008
Total stockholders' equity	167,938	142,856
Total liabilities and stockholders' equity	$ 277,551	$ 248,434