CONSOLIDATED STATEMENTS OF CASH FLOWS - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021
Cash flows from operating activities attributable to continuing operations:
Net (loss) income	$ (122,404)	$ (187,952)	$ 69,115
Less: Loss from discontinued operations, net of tax	0	0	4,023
(Loss) income from continuing operations	(122,404)	(187,952)	73,138
Adjustments to reconcile income from continuing operations to net cash provided by operating activities attributable to continuing operations:
Loss on impairments and disposal of assets	5,437	6,590	3,465
Amortization of intangibles	7,694	25,306	42,738
Depreciation	19,070	20,095	17,910
Non-cash compensation expense	39,682	59,624	68,555
Deferred income taxes	(4,692)	132,666	10,908
Change in fair value of contingent consideration	0	0	(8,249)
Bad debt expense	1,752	4,101	2,472
Amortization of debt issuance costs	3,137	6,432	5,992
Write-off of previously-capitalized debt issuance costs	0	0	1,066
Amortization of debt discount	0	1,475	30,695
Reduction in carrying amount of ROU asset, offset by change in operating lease liabilities	(4,404)	(1,547)	12,807
Gain on settlement of convertible debt	(48,562)	0	0
Loss (gain) on investments	114,504	0	(123,272)
Loss on impairment of goodwill	38,600	0	0
Changes in current assets and liabilities:
Accounts receivable	27,706	9,143	(10,289)
Prepaid and other current assets	(2,977)	(4,313)	(4,902)
Accounts payable, accrued expenses and other current liabilities	(5,541)	(28,418)	(1,537)
Income taxes receivable	(140)	214	10,680
Other, net	(1,291)	(449)	(921)
Net cash provided by operating activities attributable to continuing operations	67,571	42,967	131,256
Cash flows from investing activities attributable to continuing operations:
Capital expenditures	(12,528)	(11,443)	(35,065)
Purchase of equity investment	0	(16,440)	(1,180)
Proceeds from the sale of equity investment	0	0	46,312
Other investing activities	50	7	0
Net cash (used in) provided by investing activities attributable to continuing operations	(12,478)	(27,876)	10,067
Cash flows from financing activities attributable to continuing operations:
Payments related to net-share settlement of stock-based compensation, net of proceeds from exercise of stock options	(1,088)	(3,411)	(14,423)
Purchase of treasury stock	0	(43,009)	(40,008)
Proceeds from term loan	0	250,000	0
Repayment of term loan	(1,875)	(1,250)	0
Payment of debt issuance costs	(1,580)	(135)	(6,385)
Payment of original issue discount on term loan	0	0	(2,500)
Other financing activities	1	0	(31)
Net cash (used in) provided by financing activities attributable to continuing operations	(242,006)	32,536	(63,347)
Total cash (used in) provided by continuing operations	(186,913)	47,627	77,976
Discontinued operations:
Net cash provided by operating activities attributable to discontinued operations	0	0	3,317
Total cash provided by discontinued operations	0	0	3,317
Net (decrease) increase in cash, cash equivalents, restricted cash and restricted cash equivalents	(186,913)	47,627	81,293
Cash, cash equivalents, restricted cash, and restricted cash equivalents at beginning of period	298,969	251,342	170,049
Cash, cash equivalents, restricted cash, and restricted cash equivalents at end of period	112,056	298,969	251,342
Non-cash investing activities:
(Decrease) increase in capital expenditures included in accounts payable and accrued expenses	(377)	(294)	(4,793)
Supplemental cash flow information:
Interest paid	23,685	19,017	8,912
Income tax payments	1,283	404	186
Income tax refunds	100	287	10,503
2025 Convertible Notes
Adjustments to reconcile income from continuing operations to net cash provided by operating activities attributable to continuing operations:
Amortization of debt issuance costs	2,200	3,000	2,200
Write-off of previously-capitalized debt issuance costs	3,200
Amortization of debt discount			22,100
Gain on settlement of convertible debt	(53,300)
Cash flows from financing activities attributable to continuing operations:
Repayment of Convertible Senior Notes	(237,464)	0	0
2022 Convertible Notes
Adjustments to reconcile income from continuing operations to net cash provided by operating activities attributable to continuing operations:
Amortization of debt issuance costs		400	900
Amortization of debt discount			7,500
Cash flows from financing activities attributable to continuing operations:
Repayment of Convertible Senior Notes	$ 0	$ (169,659)	$ 0