Consolidated Balance Sheets - USD ($) $ in Thousands	Mar. 31, 2023	Dec. 31, 2022
Current assets:
Cash, cash equivalents, and restricted cash (Note 2)	$ 136,161	$ 129,458
Accounts receivable, net of allowance of $14,068 in 2023 and $13,328 in 2022	37,073	42,353
Prepaid expenses	17,434	11,409
Income tax receivable	5,189	2,871
Total current assets	195,857	186,091
Property and equipment, net	100,285	100,892
Operating lease assets, net	108,048	108,870
Deferred income taxes	34,667	35,355
Goodwill	112,593	112,593
Intangible assets, net	50,790	54,734
Other assets, net	16,282	16,521
Total assets	618,522	615,056
Current liabilities:
Accounts payable	6,797	3,808
Accrued compensation and benefits	16,363	15,010
Accrued liabilities	13,783	13,784
Deferred revenue and student deposits	28,866	23,760
Lease liabilities, current	13,517	14,396
Total current liabilities	79,326	70,758
Lease liabilities, long-term	102,726	101,420
Long-term debt, net	93,557	93,151
Total liabilities	275,609	265,329
Commitments and contingencies (Note 10)
Stockholders’ equity:
Preferred stock, $.01 par value; 10,000,000 shares authorized; 400 shares issued and outstanding in 2023 and 2022, respectively. ($151,905 and $155,587 liquidation preference per share, $60,762 and $62,235 in aggregate, for 2023 and 2022, respectively) (Note 12)	39,691	39,691
Common stock, $.01 par value; 100,000,000 shares authorized; 18,978,406 issued and outstanding in 2023; 18,892,791 issued and outstanding in 2022	190	189
Additional paid-in capital	294,082	292,854
Accumulated other comprehensive income	2,627	3,102
Retained earnings	6,323	13,891
Total stockholders’ equity	342,913	349,727
Total liabilities and stockholders’ equity	$ 618,522	$ 615,056