Condensed Consolidated Balance Sheets - USD ($) $ in Thousands		Jun. 30, 2017	Dec. 31, 2016
CURRENT ASSETS:
Cash and cash equivalents, unrestricted		$ 38,898	$ 49,507
Restricted cash		1,375	1,375
Restricted short-term investments		7,097	8,597
Short-term investments		124,702	147,681
Total cash and cash equivalents, restricted cash and short-term investments		172,072	207,160
Student receivables, net of allowance for doubtful accounts of $22,542 and $21,376 as of June 30, 2017 and December 31, 2016, respectively		21,389	22,825
Receivables, other, net		1,163	929
Prepaid expenses		13,335	14,446
Inventories		877	1,868
Other current assets		791	817
Assets of discontinued operations		100	148
Total current assets		209,727	248,193
NON-CURRENT ASSETS:
Property and equipment, net of accumulated depreciation of $368,933 and $381,415 as of June 30, 2017 and December 31, 2016, respectively		35,434	40,512
Goodwill		87,356	87,356
Intangible assets, net of amortization of $1,200 and $800 as of June 30, 2017 and December 31, 2016, respectively		8,100	8,500
Student receivables, net of allowance for doubtful accounts of $2,032 and $1,766 as of June 30, 2017 and December 31, 2016, respectively		2,780	3,055
Deferred income tax assets, net		149,528	158,272
Other assets		7,563	7,608
Assets of discontinued operations		5,987	6,105
TOTAL ASSETS	[1]	506,475	559,601
CURRENT LIABILITIES:
Accounts payable		10,414	10,099
Accrued expenses:
Payroll and related benefits		31,485	41,203
Advertising and marketing costs		10,196	10,253
Income taxes		2,098	1,830
Other		32,923	69,244
Deferred tuition revenue		27,230	28,364
Liabilities of discontinued operations		6,667	8,219
Total current liabilities		121,013	169,212
NON-CURRENT LIABILITIES:
Deferred rent obligations		23,879	30,713
Other liabilities		23,421	31,751
Liabilities of discontinued operations		3,214	6,422
Total non-current liabilities		50,514	68,886
STOCKHOLDERS' EQUITY:
Preferred stock, $0.01 par value; 1,000,000 shares authorized; none issued or outstanding
Common stock, $0.01 par value; 300,000,000 shares authorized; 84,230,258 and 83,538,033 shares issued, 69,076,820 and 68,519,005 shares outstanding as of June 30, 2017 and December 31, 2016, respectively		842	835
Additional paid-in capital		618,105	613,325
Accumulated other comprehensive income (loss)		39	(258)
Accumulated deficit		(66,767)	(76,230)
Cost of 15,153,438 and 15,019,028 shares in treasury as of June 30, 2017 and December 31, 2016, respectively		(217,271)	(216,169)
Total stockholders' equity		334,948	321,503
TOTAL LIABILITIES AND STOCKHOLDERS' EQUITY		$ 506,475	$ 559,601

[1] Total assets do not include intercompany receivable or payable activity between schools and corporate and investments in subsidiaries.