UNAUDITED CONDENSED CONSOLIDATED BALANCE SHEETS - USD ($) $ in Thousands	Jun. 30, 2023	Dec. 31, 2022
Current assets:
Cash and cash equivalents	$ 181,024	$ 213,667
Marketable securities	25,468	9,156
Tuition receivable, net	82,373	62,953
Income taxes receivable	9,719	0
Other current assets	52,330	43,285
Total current assets	350,914	329,061
Property and equipment, net	121,066	132,845
Right-of-use lease assets	115,376	125,248
Marketable securities, non-current	8,609	13,123
Intangible assets, net	253,353	260,541
Goodwill	1,237,982	1,251,277
Other assets	54,812	49,652
Total assets	2,142,112	2,161,747
Current liabilities:
Accounts payable and accrued expenses	90,057	90,588
Income taxes payable	0	6,989
Contract liabilities	128,650	88,488
Lease liabilities	23,380	23,879
Total current liabilities	242,087	209,944
Long-term debt	101,309	101,396
Deferred income tax liabilities	31,341	34,605
Lease liabilities, non-current	126,975	134,006
Other long-term liabilities	41,794	46,006
Total liabilities	543,506	525,957
Commitments and contingencies
Stockholders’ equity:
Common stock, par value $0.01; 32,000,000 shares authorized; 24,402,891 and 24,465,671 shares issued and outstanding at December 31, 2022 and June 30, 2023, respectively	245	244
Additional paid-in capital	1,509,077	1,510,924
Accumulated other comprehensive loss	(51,084)	(35,068)
Retained earnings	140,368	159,690
Total stockholders’ equity	1,598,606	1,635,790
Total liabilities and stockholders’ equity	$ 2,142,112	$ 2,161,747