CONSOLIDATED STATEMENTS OF CASH FLOWS (Unaudited) - USD ($) $ in Thousands	6 Months Ended
	Jun. 30, 2022	Jun. 30, 2021
Cash flows from operating activities attributable to continuing operations:
Net (loss) income and comprehensive (loss) income	$ (18,864)	$ 25,650
Less: Loss from discontinued operations, net of tax	3	3,462
Net (loss) income from continuing operations	(18,861)	29,112
Adjustments to reconcile net (loss) income from continuing operations to net cash provided by operating activities attributable to continuing operations:
Loss on impairments and disposal of assets	3,427	1,400
Amortization of intangibles	14,992	22,622
Depreciation	9,750	8,161
Non-cash compensation expense	32,415	34,730
Deferred income taxes	(2,026)	(455)
Change in fair value of contingent consideration	0	(8,053)
Gain on investments	0	(40,072)
Bad debt expense	2,029	1,145
Amortization of debt issuance costs	4,454	2,547
Amortization of debt discount	1,475	14,670
Reduction in carrying amount of ROU asset, offset by change in operating lease liabilities	(333)	11,079
Changes in current assets and liabilities:
Accounts receivable	(19,812)	(35,381)
Prepaid and other current assets	(5,593)	(680)
Accounts payable, accrued expenses and other current liabilities	(5,223)	3,845
Income taxes receivable	(293)	10,322
Other, net	(302)	(412)
Net cash provided by operating activities attributable to continuing operations	16,099	54,580
Cash flows from investing activities attributable to continuing operations:
Capital expenditures	(6,346)	(23,585)
Equity investment	(16,440)	(1,180)
Net cash used in investing activities attributable to continuing operations	(22,786)	(24,765)
Cash flows from financing activities attributable to continuing operations:
Proceeds from Term Loan Facility	250,000	0
Repurchase of 0.625% Convertible Senior Notes	(169,659)	0
Payments related to net-share settlement of stock-based compensation, net of proceeds from exercise of stock options	(2,745)	(4,771)
Purchase of treasury stock	(43,009)	0
Payment of debt issuance costs	(3)	(168)
Other financing activities	0	(31)
Net cash provided by (used in) financing activities attributable to continuing operations	34,584	(4,970)
Total cash provided by continuing operations	27,897	24,845
Net cash (used in) provided by operating activities attributable to discontinued operations	(6)	8,353
Total cash (used in) provided by discontinued operations	(6)	8,353
Net increase in cash, cash equivalents, restricted cash and restricted cash equivalents	27,891	33,198
Cash, cash equivalents, restricted cash and restricted cash equivalents at beginning of period	251,342	170,049
Cash, cash equivalents, restricted cash and restricted cash equivalents at end of period	$ 279,233	$ 203,247