CONSOLIDATED STATEMENTS OF CASH FLOWS - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020
Cash flows from operating activities attributable to continuing operations:
Net (loss) income	$ (187,952)	$ 69,115	$ (48,255)
Less: Loss from discontinued operations, net of tax	6	4,023	25,689
(Loss) income from continuing operations	(187,946)	73,138	(22,566)
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	6,590	3,465	1,160
Amortization of intangibles	25,306	42,738	53,078
Depreciation	20,095	17,910	14,201
Non-cash compensation expense	59,624	68,555	53,733
Deferred income taxes	132,666	10,908	(9,628)
Change in fair value of contingent consideration	0	(8,249)	5,327
Gain on investments	0	(123,272)	0
Bad debt expense	4,101	2,472	1,785
Amortization of debt issuance costs	6,432	5,992	3,474
Write-off of previously-capitalized debt issuance costs	0	1,066	0
Amortization of debt discount	1,475	30,695	19,570
Loss on extinguishment of debt	0	0	7,768
Reduction in carrying amount of ROU asset, offset by change in operating lease liabilities	(1,547)	12,807	8,888
Changes in current assets and liabilities:
Accounts receivable	9,143	(10,289)	21,861
Prepaid and other current assets	(4,313)	(4,902)	(952)
Accounts payable, accrued expenses and other current liabilities	(28,417)	(1,537)	(8,013)
Current contingent consideration	0	0	(25,787)
Income taxes receivable	214	10,680	(10,598)
Other, net	(449)	(921)	(2,002)
Net cash provided by operating activities attributable to continuing operations	42,974	131,256	111,299
Cash flows from investing activities attributable to continuing operations:
Capital expenditures	(11,443)	(35,065)	(42,149)
Purchase of equity investment	(16,440)	(1,180)	(80,000)
Proceeds from the sale of equity investment	0	46,312	0
Other investing activities	7	0	0
Net cash (used in) provided by investing activities attributable to continuing operations	(27,876)	10,067	(122,149)
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	(3,411)	(14,423)	(3,910)
Purchase of treasury stock	(43,009)	(40,008)	0
Proceeds from term loan	250,000	0	0
Repayment of term loan	(1,250)	0	0
Proceeds from the issuance of $0.50% Convertible Senior Notes	0	0	575,000
Repayment of 0.625% Convertible Senior Notes	(169,659)	0	(233,862)
Payment of convertible note hedge on the $0.50% Convertible Senior Notes	0	0	(124,200)
Termination of convertible note hedge on the $0.625% Convertible Senior Notes	0	0	109,881
Proceeds from the sale of warrants related to the $0.50% Convertible Senior Notes	0	0	61,180
Termination of warrants related to the $0.625% Convertible Senior Notes	0	0	(94,292)
Net repayment of revolving credit facility	0	0	(75,000)
Payment of debt issuance costs	(135)	(6,385)	(16,568)
Payment of original issue discount on term loan	0	(2,500)	0
Contingent consideration payments	0	0	(4,755)
Other financing activities	0	(31)	(184)
Net cash provided by (used in) financing activities attributable to continuing operations	32,536	(63,347)	193,290
Total cash provided by continuing operations	47,634	77,976	182,440
Discontinued operations:
Net cash (used in) provided by operating activities attributable to discontinued operations	(7)	3,317	(72,730)
Total cash (used in) provided by discontinued operations	(7)	3,317	(72,730)
Net increase in cash, cash equivalents, restricted cash and restricted cash equivalents	47,627	81,293	109,710
Cash, cash equivalents, restricted cash, and restricted cash equivalents at beginning of period	251,342	170,049	60,339
Cash, cash equivalents, restricted cash, and restricted cash equivalents at end of period	298,969	251,342	170,049
Non-cash investing activities:
(Decrease) increase in capital expenditures included in accounts payable and accrued expenses	(294)	(4,793)	4,196
Supplemental cash flow information:
Interest paid	19,017	8,912	4,741
Income tax payments	404	186	561
Income tax refunds	$ 287	$ 10,503	$ 60