Consolidated Balance Sheets - USD ($) $ in Thousands	Mar. 31, 2017	Dec. 31, 2016
Current assets:
Cash and cash equivalents	$ 147,099	$ 129,245
Tuition receivable, net	20,323	20,532
Other current assets	9,978	10,766
Total current assets	177,400	160,543
Property and equipment, net	72,803	73,124
Deferred income taxes	30,119	31,096
Goodwill	20,744	20,744
Other assets	12,908	13,189
Total assets	313,974	298,696
Current liabilities:
Accounts payable and accrued expenses	38,398	41,132
Income taxes payable	8,598	1,883
Deferred revenue	19,173	16,691
Other current liabilities	62	133
Total current liabilities	66,231	59,839
Other long-term liabilities	49,217	50,483
Total liabilities	115,448	110,322
Commitments and contingencies
Stockholders' equity:
Common stock, par value $0.01; 20,000,000 shares authorized; 11,093,489 and 11,159,884 shares issued and outstanding at December 31, 2016 and March 31, 2017, respectively	112	111
Additional paid-in capital	37,879	35,453
Retained earnings	160,535	152,810
Total stockholders' equity	198,526	188,374
Total liabilities and stockholders' equity	$ 313,974	$ 298,696