Consolidated Statements of Cash Flows - USD ($) $ in Thousands	9 Months Ended
	Sep. 30, 2021	Sep. 30, 2020
Operating activities
Net income	$ 8,371	$ 11,751
Adjustments to reconcile net income to net cash provided by operating activities, net of assets and liabilities acquired:
Depreciation and amortization, including debt issuance	9,561	9,955
Amortization of debt issuance costs	223	0
Stock-based compensation	5,969	5,265
Equity investment loss	827	2
Deferred income taxes	2,489	1,974
Loss on disposals of long-lived assets	182	742
Other	6	24
Changes in operating assets and liabilities:
Accounts receivable, net of allowance for bad debt	(1,058)	1,765
Prepaid expenses	(2,076)	(807)
Income tax receivable/payable	(6,000)	(743)
Operating leases, net	766	(26)
Other assets	(1,594)	(427)
Accounts payable	3,595	943
Accrued compensation and benefits	(813)	3,031
Accrued liabilities	(1,022)	3,219
Deferred revenue and student deposits	(18,847)	8,065
Net cash provided by operating activities	579	44,733
Investing activities
Cash paid for acquisition, net of cash acquired	(325,509)	0
Capital expenditures	(5,813)	(4,171)
Proceeds from the sale of real property	0	412
Net cash used in investing activities	(331,322)	(3,759)
Financing activities
Cash paid for repurchase of common stock	(3,032)	(15,705)
Cash received from issuance of common stock	86,205	0
Cash received from borrowings	175,000	0
Cash paid for debt issuance costs	(13,629)	0
Net cash provided by (used in) financing activities	244,544	(15,705)
Net (decrease) increase in cash, cash equivalents, and restricted cash	(86,199)	25,269
Cash, cash equivalents, and restricted cash at beginning of period	227,686	202,740
Cash, cash equivalents, and restricted cash at end of period	141,487	228,009
Supplemental disclosure of cash flow information
Interest paid	0	0
Income taxes paid	$ 6,983	$ 3,062