Condensed Consolidated Statements of Changes in Stockholders' Deficit - USD ($) $ in Thousands	Total	iHM Prepaid Ad	Outstanding Contingent Compensation Liability	Common Stock	Common Stock Outstanding Contingent Compensation Liability	Treasury Stock	Stockholder Notes	Additional Paid-in Capital	Additional Paid-in Capital iHM Prepaid Ad	Additional Paid-in Capital Outstanding Contingent Compensation Liability	Accumulated Deficit	Accumulated Other Comprehensive Income	Mezzanine Equity	Series E Three Redeemable Convertible Preferred Stock Mezzanine Equity
Balance at Dec. 31, 2021	$ (401,221)			$ 1		$ (661)	$ (14,478)	$ 237,578			$ (625,944)	$ 2,283	$ 410,368
Balance (in Shares) at Dec. 31, 2021				25,536,563									40,182,816
Stock option exercises	60							60
Stock option exercises (in Shares)				34,552
RSU vested				221,054
Stock-based compensation	3,670							3,670
Exercise of Series E-3 Preferred stock warrant into Series E-3 convertible preferred stock														$ 408
Exercise of Series E-3 Preferred stock warrant into Series E-3 convertible preferred stock (in Shares)														79,704
Issuance of common stock			$ 4,642							$ 4,642
Issuance of common stock (in Shares)					935,005
Foreign currency translation loss	(11,506)											(11,506)
Net loss	(68,164)										(68,164)
Balance (in Shares) at Jun. 30, 2022				26,727,174									40,262,520
Balance at Jun. 30, 2022	(472,519)			$ 1		(661)	(14,478)	245,950			(694,108)	(9,223)	$ 410,776
Balance at Dec. 31, 2021	(401,221)			$ 1		(661)	(14,478)	237,578			(625,944)	2,283	$ 410,368
Balance (in Shares) at Dec. 31, 2021				25,536,563									40,182,816
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)
Balance at Mar. 31, 2022	(430,555)			$ 1		(661)	(14,478)	239,478			(654,689)	(206)	$ 410,684
Balance (in Shares) at Mar. 31, 2022				25,728,241									40,244,807
Stock option exercises	51							51
Stock option exercises (in Shares)				25,390
RSU vested				38,538
Stock-based compensation	1,779							1,779
Exercise of Series E-3 Preferred stock warrant into Series E-3 convertible preferred stock														$ 92
Exercise of Series E-3 Preferred stock warrant into Series E-3 convertible preferred stock (in Shares)														17,713
Issuance of common stock			$ 4,642							$ 4,642
Issuance of common stock (in Shares)					935,005
Foreign currency translation loss	(9,017)											(9,017)
Net loss	(39,419)										(39,419)
Balance (in Shares) at Jun. 30, 2022				26,727,174									40,262,520
Balance at Jun. 30, 2022	(472,519)			$ 1		$ (661)	(14,478)	245,950			(694,108)	(9,223)	$ 410,776
Balance at Dec. 31, 2022	69,500			$ 9			(8,284)	845,888			(762,009)	(6,104)
Balance (in Shares) at Dec. 31, 2022				92,085,974
RSU vested				41,279
Stock-based compensation	6,406							6,406
Issuance of common stock		$ 370							$ 370
Issuance of warrants in connection with Mudrick Convertible Promissory notes	280							280
Foreign currency translation loss	235											235
Net loss	(53,068)										(53,068)
Balance (in Shares) at Jun. 30, 2023				92,127,253
Balance at Jun. 30, 2023	23,723			$ 9			(8,284)	852,944			(815,077)	(5,869)
Balance at Mar. 31, 2023	51,457			$ 9			(8,284)	849,823			(784,808)	(5,283)
Balance (in Shares) at Mar. 31, 2023				92,085,974
RSU vested				41,279
Stock-based compensation	2,841							2,841
Issuance of warrants in connection with Mudrick Convertible Promissory notes	280							280
Foreign currency translation loss	(586)											(586)
Net loss	(30,269)										(30,269)
Balance (in Shares) at Jun. 30, 2023				92,127,253
Balance at Jun. 30, 2023	$ 23,723			$ 9			$ (8,284)	$ 852,944			$ (815,077)	$ (5,869)