CONSOLIDATED STATEMENTS OF CASH FLOWS (UNAUDITED) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2022	Mar. 31, 2021
Cash flows from operating activities:
Income from continuing operations	$ 644	$ 19,944
Loss from discontinued operations	(63)	(808)
Adjustments to reconcile net income to net cash provided by operating activities:
Depreciation and amortization	3,206	2,683
Amortization and write-off of deferred loan costs	492	1,183
Amortization and write-off of debt discount	63	1,077
Share-based employee compensation expense	1,919	2,998
Unrealized gain on derivatives	(5,695)	(1,130)
Unrealized loss on investments in equity securities	22,380
Deferred income taxes	2,272	1,454
Decrease (increase) in accounts receivable	4,719	(18,978)
Changes in income taxes receivable and payable	5,869	10,217
Decrease in other current assets	1,992	529
Decrease in accounts payable	(945)	(42)
Decrease in accrued salaries and benefits	(7,760)	(3,685)
Increase in other current liabilities	7,553	5,594
Other	369	1,582
Net cash flows provided by operating activities	37,015	22,618
Cash flows from investing activities:
Acquisition of property and equipment	(2,715)	(1,561)
Settlement on derivatives not designated as hedges	(1,390)	(1,633)
Net cash flows used in investing activities	(4,105)	(3,194)
Cash flows from financing activities:
Payments of long-term debt	(1,000)	(63,600)
Payments related to tax withholding for share-based compensation	(472)	(2,502)
Exercise of stock options	205	164
Change in cash overdraft and other	301	(1,443)
Net cash flows used in financing activities	(966)	(67,381)
Net increase (decrease) in cash and cash equivalents	31,944	(47,957)
Cash and cash equivalents, beginning of period	60,132	100,385
Cash and cash equivalents, end of period	$ 92,076	$ 52,428