Consolidated Statements of Cash Flows - USD ($) $ in Thousands	6 Months Ended
	Jun. 30, 2023	Jun. 30, 2022
Operating activities
Net loss	$ (56,972)	$ (104,696)
Adjustments to reconcile net income to net cash provided by operating activities:
Depreciation and amortization	15,709	16,267
Amortization of debt issuance costs	840	1,299
Stock-based compensation	4,292	4,706
Equity investment loss	9	11
Deferred income taxes	(17,333)	(35,091)
Loss on disposals of long-lived assets	33	784
Impairment of goodwill and intangible assets	64,000	144,900
Gain on acquisition	0	(3,828)
Other	0	9
Changes in operating assets and liabilities:
Accounts receivable, net of allowance for bad debt	11,894	13,488
Prepaid expenses	(4,007)	(2,869)
Income tax receivable/payable	(827)	538
Operating leases, net	2,784	1,433
Other assets	(718)	567
Accounts payable	1,849	(11,221)
Accrued compensation and benefits	2,707	2,513
Accrued liabilities	(554)	12,937
Deferred revenue and student deposits	4,793	3,644
Net cash provided by operating activities	28,499	45,391
Investing activities
Cash received from acquisition, net of cash paid	0	1,932
Capital expenditures	(6,553)	(7,309)
Proceeds from the sale of real property	0	765
Net cash used in investing activities	(6,553)	(4,612)
Financing activities
Cash paid for repurchase of common stock	(9,001)	(1,454)
Preferred stock dividends paid	(2,943)	0
Cash paid for principal on borrowings and finance leases	(57)	(4,433)
Net cash used in financing activities	(12,001)	(5,887)
Net increase in cash, cash equivalents, and restricted cash	9,945	34,892
Cash, cash equivalents, and restricted cash at beginning of period	129,458	149,627
Cash, cash equivalents, and restricted cash at end of period	139,403	184,519
Supplemental disclosure of cash flow information
Interest paid	5,143	5,438
Income taxes paid	$ 1,535	$ 635