CONSOLIDATED BALANCE SHEETS - USD ($) $ in Thousands	Dec. 31, 2023	Dec. 31, 2022
Current assets:
Cash and cash equivalents	$ 168,481	$ 213,667
Marketable securities	39,728	9,156
Tuition receivable, net	76,102	62,953
Other current assets	44,758	43,285
Total current assets	329,069	329,061
Property and equipment, net	118,529	132,845
Right-of-use lease assets	119,202	125,248
Marketable securities, non-current	483	13,123
Intangible assets, net	251,623	260,541
Goodwill	1,251,888	1,251,277
Other assets	54,419	49,652
Total assets	2,125,213	2,161,747
Current liabilities:
Accounts payable and accrued expenses	90,888	90,588
Income taxes payable	2,200	6,989
Contract liabilities	92,341	88,488
Lease liabilities	24,190	23,879
Total current liabilities	209,619	209,944
Long-term debt	61,400	101,396
Deferred income tax liabilities	28,338	34,605
Lease liabilities, non-current	127,735	134,006
Other long-term liabilities	45,603	46,006
Total liabilities	472,695	525,957
Commitments and contingencies
Stockholders’ equity:
Common stock, par value $0.01; 32,000,000 shares authorized; 24,402,891 and 24,406,816 shares issued and outstanding at December 31, 2022 and 2023, respectively	244	244
Additional paid-in capital	1,517,650	1,510,924
Accumulated other comprehensive loss	(34,247)	(35,068)
Retained earnings	168,871	159,690
Total stockholders’ equity	1,652,518	1,635,790
Total liabilities and stockholders’ equity	$ 2,125,213	$ 2,161,747