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
Net loss	$ (287,917)	$ (561,919)	$ (382,963)
Net income (loss) from discontinued operations, net of tax	5,185	(136,874)	(31,177)
Net loss from continuing operations	(293,102)	(425,045)	(351,786)
Adjustments to reconcile net loss to net cash used in operating activities:
Depreciation and amortization	36,496	36,731	37,666
Stock-based compensation	51,215	52,454	53,150
(Gain)loss on extinguishment of debt	(1,607)	0	380
Amortization of debt discount	2,574	2,476	14,928
Deferred income tax benefit	(995)	(1,666)	(2,681)
Change in fair value of warrant liabilities	0	1,701	(2,659)
Amortization of right-of-use assets	3,126	3,078	954
Other adjustments	695	1,155	583
Changes in operating assets and liabilities of business, net of acquisitions:
Accounts receivable, net	(36,200)	(9,778)	(15,047)
Prepaid expenses and other assets	(14,498)	(950)	(3,554)
Prepaid sports rights	(1,525)	(34,384)	(3,284)
Accounts payable	6,635	12,014	8,727
Accrued expenses and other liabilities	52,180	50,116	64,792
Deferred revenue	24,774	21,102	26,055
Lease liabilities	(2,813)	1,210	(120)
Net cash used in operating activities - continuing operations	(173,045)	(289,786)	(171,896)
Net cash used in operating activities - discontinued operations	(4,577)	(26,915)	(24,031)
Net cash used in operating activities	(177,622)	(316,701)	(195,927)
Cash flows from investing activities
Cash paid for acquisitions, net of cash acquired	0	0	(22,894)
Purchases of short-term investments	0	(100,000)	0
Proceeds from maturity of short-term investments	0	100,000	0
Purchases of property and equipment	(1,071)	(1,130)	(3,409)
Proceeds from sale of property and equipment	28	0	0
Capitalization of internal use software	(17,282)	(4,857)	(4,074)
Purchase of intangible assets	(3,592)	0	0
Purchase of strategic investment	(3,500)	0	0
Net cash used in investing activities - continuing operations	(25,417)	(5,987)	(30,377)
Net cash used in investing activities - discontinued operations	0	(6,436)	(45,795)
Net cash used in investing activities	(25,417)	(12,423)	(76,172)
Cash flows from financing activities
Proceeds from the issuance of common stock, net of offering costs	116,886	292,123	140,446
Redemption of non-controlling interest	(2,147)	0	0
Proceeds from convertible note, net of issuance costs	0	0	389,446
Repurchase of convertible notes	(3,313)	0	0
Vested restricted stock units settled for cash	(125)	0	0
Proceeds from exercise of stock options	373	829	3,013
Proceeds from the exercise of warrants	0	5,000	3,762
Repayments of notes payable and long-term borrowings	(441)	(1,682)	(24,709)
Net cash provided by financing activities - continuing operations	111,233	296,270	511,958
Net cash provided by financing activities - discontinued operations	0	0	0
Net cash provided by financing activities	111,233	296,270	511,958
Net increase (decrease) in cash, cash equivalents and restricted cash	(91,806)	(32,854)	239,859
Cash, cash equivalents and restricted cash at beginning of period	343,226	376,080	136,221
Cash, cash equivalents and restricted cash at end of period	251,420	343,226	376,080
Supplemental disclosure of cash flows information:
Interest paid	13,169	13,786	8,017
Income tax paid	258	0	0
Non cash financing and investing activities:
Conversion of Series AA preferred stock to common stock	0	0	406,665
Issuance of common stock in connection with acquisitions	0	0	107,053
Reclassification of the equity components of the 2026 Convertible Notes to liability upon adoption of ASU 2020-06	0	75,264	0
Strategic investment - marketing commitment	4,000
Issuance of treasury stock in connection with acquisitions	0	0	8,538
Cashless exercise of warrants	0	5,249	16,480
Unpaid intangible assets included in accounts payable	540	0	0
Unpaid financing costs included in accounts payable	15	18	51
Unpaid property and equipment included in accounts payable	$ 12	$ 0	$ 0