UNAUDITED CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2022	Mar. 31, 2021
Cash flows from operating activities:
Net income (loss)	$ (603)	$ 51,417
Total income from discontinued operations, net of tax	0	48,472
Income (loss) from continuing operations	(603)	2,945
Adjustments to reconcile net income (loss) to net cash provided by operating activities:
Depreciation and amortization	14,684	13,266
Stock based compensation expense, net of amount capitalized	3,143	642
Deferred income taxes	(349)	0
Other, net	1,017	(202)
Changes in assets and liabilities:
Accounts receivable	5,890	1,861
Current income taxes	459	885
Operating lease assets and liabilities, net	80	(260)
Other assets	(1,365)	(5,683)
Accounts payable	(4,130)	(281)
Other deferrals and accruals	(2,760)	(4,037)
Net cash provided by operating activities - continuing operations	16,066	9,136
Net cash provided by operating activities - discontinued operations	0	75,530
Net cash provided by operating activities	16,066	84,666
Cash flows from investing activities:
Capital expenditures	(45,693)	(39,482)
Proceeds from sale of assets and other	86	14
Net cash used in investing activities - continuing operations	(45,607)	(39,468)
Net cash used in investing activities - discontinued operations	0	(882)
Net cash used in investing activities	(45,607)	(40,350)
Cash flows from financing activities:
Taxes paid for equity award issuances	(603)	(1,486)
Payments for financing arrangements and other	(219)	(496)
Net cash used in financing activities - continuing operations	(822)	(1,982)
Net cash used in financing activities - discontinued operations	0	(8,549)
Net cash used in financing activities	(822)	(10,531)
Net increase (decrease) in cash and cash equivalents	(30,363)	33,785
Cash and cash equivalents, beginning of period	84,344	195,397
Cash and cash equivalents, end of period	53,981	229,182
Cash payments for:
Interest	$ 0	$ (3,897)