UNAUDITED CONDENSED CONSOLIDATED BALANCE SHEETS - USD ($) $ in Thousands	Sep. 30, 2022	Dec. 31, 2021
Current assets:
Cash and cash equivalents	$ 262,757	$ 268,918
Marketable securities	11,387	6,501
Tuition receivable, net	81,676	51,277
Income taxes receivable	0	313
Other current assets	46,928	40,777
Total current assets	402,748	367,786
Property and equipment, net	136,073	150,589
Right-of-use lease assets	125,081	149,587
Marketable securities, non-current	14,648	23,377
Intangible assets, net	259,855	276,380
Goodwill	1,226,499	1,285,864
Other assets	50,347	52,297
Total assets	2,215,251	2,305,880
Current liabilities:
Accounts payable and accrued expenses	101,357	95,518
Income taxes payable	3,316	0
Contract liabilities	131,705	73,232
Lease liabilities	23,539	27,005
Total current liabilities	259,917	195,755
Long-term debt	141,234	141,630
Deferred income tax liabilities	33,688	44,595
Lease liabilities, non-current	136,791	162,821
Other long-term liabilities	45,139	47,089
Total liabilities	616,769	591,890
Commitments and contingencies
Stockholders’ equity:
Common stock, par value $0.01; 32,000,000 shares authorized; 24,592,098 and 24,454,377 shares issued and outstanding at December 31, 2021 and September 30, 2022, respectively	245	246
Additional paid-in capital	1,507,902	1,529,969
Accumulated other comprehensive income (loss)	(66,369)	9,203
Retained earnings	156,704	174,572
Total stockholders’ equity	1,598,482	1,713,990
Total liabilities and stockholders’ equity	$ 2,215,251	$ 2,305,880