Consolidated Statements of Cash Flows - USD ($) $ in Thousands	9 Months Ended
	Sep. 30, 2019	Sep. 30, 2018
Operating activities
Net income	$ 4,294	$ 16,546
Adjustments to reconcile net income to net cash provided by operating activities:
Depreciation and amortization	11,758	13,158
Stock-based compensation	5,031	5,524
Equity investment loss	1,464	483
Deferred income taxes	599	732
Loss on disposals of long-lived assets	524	882
Impairment of goodwill	7,336	0
Other	83	280
Changes in operating assets and liabilities:
Accounts receivable, net of allowance for bad debt	6,117	(6,138)
Prepaid expenses	(832)	(872)
Income tax receivable/payable	(4,751)	(4,907)
Operating leases, net	361	0
Other assets	303	315
Accounts payable	(5,145)	(4,541)
Accrued compensation and benefits	(1,909)	32
Accrued liabilities	4,405	1,522
Deferred revenue and student deposits	2,298	2,539
Net cash provided by operating activities	31,936	25,555
Investing activities
Capital expenditures	(4,151)	(5,349)
Net cash used in investing activities	(4,151)	(5,349)
Financing activities
Cash paid for repurchase of common stock	(29,813)	(1,815)
Net cash used in financing activities	(29,813)	(1,815)
Net (decrease) increase in cash, cash equivalents, and restricted cash	(2,028)	18,391
Cash, cash equivalents, and restricted cash at beginning of period	212,131	179,205
Cash, cash equivalents, and restricted cash at end of period	210,103	197,596
Supplemental disclosure of cash flow information
Income taxes paid	$ 5,749	$ 10,041