Consolidated Statements of Cash Flows - USD ($) $ in Thousands	9 Months Ended
	Sep. 30, 2023	Sep. 30, 2022
Operating activities
Net loss	$ (60,300)	$ (108,458)
Adjustments to reconcile net loss to net cash provided by operating activities:
Depreciation and amortization	22,735	24,249
Amortization of debt issuance costs	1,240	1,937
Stock-based compensation	6,025	6,703
Equity investment loss, net of tax	5,233	13
Deferred income taxes	(13,311)	(38,916)
Loss on disposals of long-lived assets	17	962
Impairment of goodwill and intangible assets	64,000	144,900
Gain on acquisition	0	(3,828)
Other	0	16
Changes in operating assets and liabilities:
Accounts receivable, net of allowance for bad debt	13,307	12,781
Prepaid expenses	(3,343)	279
Income tax receivable/payable	(1,302)	1,141
Operating leases, net	3,003	1,236
Other assets	(351)	210
Accounts payable	4,168	(5,232)
Accrued compensation and benefits	3,635	3,437
Accrued liabilities	(1,582)	6,975
Deferred revenue and student deposits	5,483	3,840
Net cash provided by operating activities	48,657	52,245
Investing activities
Cash received from acquisition, net of cash paid	0	1,951
Capital expenditures	(9,505)	(10,905)
Proceeds from the sale of real property	123	765
Net cash used in investing activities	(9,382)	(8,189)
Financing activities
Cash paid for repurchase of common stock	(9,028)	(1,534)
Preferred stock dividends paid	(4,466)	0
Cash paid for principal on borrowings and finance leases	(85)	(6,649)
Net cash used in financing activities	(13,579)	(8,183)
Net increase in cash, cash equivalents, and restricted cash	25,696	35,873
Cash, cash equivalents, and restricted cash at beginning of period	129,458	149,627
Cash, cash equivalents, and restricted cash at end of period	155,154	185,500
Supplemental disclosure of cash flow information
Interest paid	7,863	8,747
Income taxes paid	$ 1,551	$ 3,392