Consolidated Statements of Changes in Mezzanine Equity and Stockholders' Equity (Deficit) - USD ($) $ in Thousands	Total	Common Stock	Treasury Stock	Stockholder Notes	Additional Paid-in Capital	Accumulated Deficit	Accumulated Other Comprehensive Income	Mezzanine Equity	Series E Convertible Redeemable Preferred Stock [Member] Mezzanine Equity	Series E Two Redeemable Convertible Preferred Stock Warrants [Member] Mezzanine Equity	Series E Three Redeemable Convertible Preferred Stock [Member] Mezzanine Equity	Exchange Of Non Voting Common Stock Into Preferred Stocks	Exchange Of Non Voting Common Stock Into Preferred Stocks Common Stock	Exchange Of Non Voting Common Stock Into Preferred Stocks Additional Paid-in Capital	Exchange Of Non Voting Common Stock Into Preferred Stocks Mezzanine Equity	Settlement Of Liability	Settlement Of Liability Common Stock	Settlement Of Liability Additional Paid-in Capital	Settlement Of Contingent Consideration Liability Common Stock
Temporary Equity, Balance at Dec. 31, 2020								$ 399,855
Temporary Equity, Balance (in Shares) at Dec. 31, 2020								120,384,609
Temporary Equity retroactive conversion of shares due to business combination (in Shares) at Dec. 31, 2020								(81,831,092)
Retroactive conversion of shares due to Business Combination (in Shares) at Dec. 31, 2020		(47,137,476)
Temporary equity balance as effect of reverse recapitalization (FN1) at Dec. 31, 2020								38,553,517
Temporary equity balance as effect of reverse recapitalization, value at Dec. 31, 2020								$ 399,855
Balance as effect of reverse recapitalization (FN1) at Dec. 31, 2020		22,208,130
Effect of reverse recapitalization, value at Dec. 31, 2020	$ (277,505)	$ 1	$ (661)	$ (14,478)	$ 230,028	$ (505,881)	$ 13,486
Balance at Dec. 31, 2020	(277,505)	$ 1	(661)	(14,478)	230,028	(505,881)	13,486
Balance (in Shares) at Dec. 31, 2020		69,345,606
Stock option exercises	1,365				1,365
Stock option exercises (in Shares)		4,091,579
RSUs vested		287,801
Stock-based compensation	11,468				11,468
Issuance of common stock (in Shares)													(1,155,987)				105,040
Issuance of common stock												$ (6,382)		$ (6,382)		$ 1,099		$ 1,099
Temporary Equity, Stock Issued During Period, Value, New Issues									$ 616	$ 301	$ 3,214				$ 6,382
Temporary Equity Stock Issued During Period Shares New Issues									129,513	24,851	318,948				1,155,987
Foreign Currency Translation (Loss) Gain	(11,203)						(11,203)
Net loss	(120,063)					(120,063)
Balance (in Shares) at Dec. 31, 2021		25,536,563
Balance at Dec. 31, 2021	$ (401,221)	$ 1	(661)	(14,478)	237,578	(625,944)	2,283
Temporary Equity, Balance (in Shares) at Dec. 31, 2021	40,182,816							40,182,816
Temporary Equity, Balance at Dec. 31, 2021	$ 410,368							$ 410,368
Stock option exercises	154				154
Stock option exercises (in Shares)		79,483
RSUs vested		292,955
Stock-based compensation	9,127				9,127
Issuance of common stock (in Shares)																			935,005
Issuance of common stock	4,642				4,642
Temporary Equity, Stock Issued During Period, Value, New Issues								$ 240			$ 408
Temporary Equity Stock Issued During Period Shares New Issues								31,010			79,704
Stockholder note settlement and repurchase with related party shares		(1,699,857)
Stockholder note settlement and repurchase with related party	7,532		(3,516)	6,194	4,854
Braemar Stock Transfer Agreement	1,498				1,498
Reverse recapitalization,Temporary Equity (in shares)								(40,293,530)
Reverse recapitalization, Temporary Equity								$ (411,016)
Reverse recapitalization (in shares)		57,775,396
Reverse recapitalization	500,349	$ 7	$ 4,177		496,165
Conversion of convertible promissory notes and bridge loans to common stock shares		8,867,944
Conversion of convertible promissory notes and bridge loans to common stock	89,137	$ 1			89,136
Conversion of iHeart Media Note Payable to Common Stock shares		32,329
Conversion of iHeart Media Note Payable to Common Stock	388				388
Issuance of Mudrick Convertible Notes, Warrant Liability Commitment and Equitable Adjustment Shares, (in Shares)		266,156
Issuance of Mudrick Convertible Notes, Warrant Liability Commitment and Equitable Adjustment Shares	2,346				2,346
Foreign Currency Translation (Loss) Gain	(8,387)						(8,387)
Net loss	(136,065)					(136,065)
Balance (in Shares) at Dec. 31, 2022		92,085,974
Balance at Dec. 31, 2022	$ 69,500	$ 9		$ (8,284)	$ 845,888	$ (762,009)	$ (6,104)