Consolidated Balance Sheets - USD ($) $ in Thousands	Mar. 31, 2022	Dec. 31, 2021
Current assets:
Cash, cash equivalents, and restricted cash (Note 2)	$ 170,943	$ 149,627
Accounts receivable, net of allowance of $11,769 in 2022 and $11,396 in 2021	33,664	36,026
Prepaid expenses	15,527	11,681
Income tax receivable	4,766	5,303
Total current assets	224,900	202,637
Property and equipment, net	100,052	102,417
Operating lease assets, net	104,484	77,943
Goodwill	243,993	243,486
Intangible assets, net	82,094	85,082
Other assets, net	15,887	14,043
Total assets	771,410	725,608
Current liabilities:
Accounts payable	11,273	13,497
Accrued compensation and benefits	17,552	15,131
Accrued liabilities	13,791	10,819
Deferred revenue and student deposits	27,920	21,776
Lease liabilities, current	14,416	13,705
Long-term debt, current	8,750	8,750
Total current liabilities	93,702	83,678
Lease liabilities, long-term	96,859	69,488
Deferred income taxes	7,456	5,059
Long-term debt, net	150,212	151,771
Total liabilities	348,229	309,996
Commitments and contingencies
Stockholders’ equity:
Preferred stock, $.01 par value; 10,000 shares authorized; no shares issued or outstanding	0	0
Common stock, $.01 par value; 100,000 shares authorized; 18,856 issued and outstanding in 2022; 18,709 issued and outstanding in 2021	189	187
Additional paid-in capital	287,295	286,385
Accumulated other comprehensive income	1,432	108
Retained earnings	134,265	128,932
Total stockholders’ equity	423,181	415,612
Total liabilities and stockholders’ equity	$ 771,410	$ 725,608