Consolidated Statements of Cash Flows - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2022	Mar. 31, 2021
Operating activities
Net income	$ 5,333	$ 8,107
Adjustments to reconcile net income to net cash provided by operating activities:
Depreciation and amortization	8,148	2,651
Amortization of debt issuance costs	654	0
Stock-based compensation	2,356	2,180
Equity investment loss	5	5
Deferred income taxes	901	1,646
Loss on disposals of long-lived assets	793	8
Gain on acquisition	(4,533)	0
Other	5	3
Changes in operating assets and liabilities:
Accounts receivable, net of allowance for bad debt	6,644	4,210
Prepaid expenses	(3,623)	(2,989)
Income tax receivable/payable	537	905
Operating leases, net	1,218	27
Other assets	241	228
Accounts payable	(2,492)	(779)
Accrued compensation and benefits	2,401	(3,389)
Accrued liabilities	2,492	(1,159)
Deferred revenue and student deposits	4,175	(428)
Net cash provided by operating activities	25,255	11,226
Investing activities
Cash received from acquisition, net of cash paid	1,932	0
Capital expenditures	(2,965)	(1,528)
Proceeds from the sale of real property	754	0
Net cash used in investing activities	(279)	(1,528)
Financing activities
Cash paid for repurchase of common stock	(1,444)	(2,773)
Cash received from issuance of common stock	0	86,205
Cash paid for principal on borrowings and finance leases	(2,216)	0
Net cash (used in) provided by financing activities	(3,660)	83,432
Net increase in cash, cash equivalents, and restricted cash	21,316	93,130
Cash, cash equivalents, and restricted cash at beginning of period	149,627	227,686
Cash, cash equivalents, and restricted cash at end of period	170,943	320,816
Supplemental disclosure of cash flow information
Interest paid	2,700	0
Income taxes paid	$ 41	$ 62