Condensed Consolidated Statements of Stockholders' Deficit - USD ($) $ in Thousands	Total	Equity Financing Program	Additional Paid-in Capital	Additional Paid-in Capital Equity Financing Program	Accumulated Other Comprehensive Income (Loss)	Treasury Stock	Accumulated Deficit	Class A Common Stock	Class A Common Stock Equity Financing Program	Class A Common Stock Common Stock	Class A Common Stock Common Stock Equity Financing Program	Class B Common Stock	Class B Common Stock Common Stock
Beginning balance (in shares) at Dec. 31, 2022										291,942,087			97,088,670
Beginning balance at Dec. 31, 2022	$ (26,405)		$ 1,558,685		$ (4,226)	$ (312,477)	$ (1,268,426)			$ 29			$ 10
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Issuance of Class A common stock upon exercise of stock options and vesting of restricted stock units, and under the Equity Financing Program (in shares)										4,715,737	2,759,689
Issuance of Class A common stock upon exercise of stock options and vesting of restricted stock units, and under the Equity Financing Program	1,039	$ 22,665	1,038	$ 22,665						$ 1
Vendor payments under the stock-in-lieu of cash program (in shares)										1,627,690
Vendor payments under the stock-in-lieu of cash program	16,741		16,741
Share-based compensation	48,800		48,800
Payments of employee taxes related to stock-based awards and vested restricted stock units	(572)		(572)
Other comprehensive income	2,226				2,226
Net loss	(146,774)						(146,774)
Ending balance (in shares) at Mar. 31, 2023										301,045,203			97,088,670
Ending balance at Mar. 31, 2023	(82,280)		1,647,357		(2,000)	(312,477)	(1,415,200)			$ 30			$ 10
Beginning balance (in shares) at Dec. 31, 2023										344,606,104			97,088,670
Beginning balance at Dec. 31, 2023	(224,748)		1,927,378		2	(312,477)	(1,839,695)			$ 34			$ 10
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Issuance of Class A common stock upon exercise of stock options and vesting of restricted stock units, and under the Equity Financing Program (in shares)										5,993,324	9,644,286
Issuance of Class A common stock upon exercise of stock options and vesting of restricted stock units, and under the Equity Financing Program	373	$ 17,230	372	$ 17,229					$ 17,200	$ 1	$ 1
Issuance of Class A common stock in settlement of certain claims (in shares)										704,691
Issuance of Class A common stock in settlement of certain claims	1,842		1,842
Issuance of Class A common stock under 401(k) Plan (in shares)										1,500,000
Issuance of Class A common stock under 401(k) Plan	2,550		2,550
Vendor payments under the stock-in-lieu of cash program (in shares)										151,206
Vendor payments under the stock-in-lieu of cash program	2,220		2,220
Milestone awards related to acquisitions (in shares)										2,709,457
Milestone awards related to acquisitions	5,635		5,635
Share-based compensation	40,963		40,963
Payments of employee taxes related to stock-based awards and vested restricted stock units	(126)		(126)
Other comprehensive income	(70)				(70)
Net loss	(125,714)						(125,714)
Ending balance (in shares) at Mar. 31, 2024								343,445,618		365,309,068		97,088,670	97,088,670
Ending balance at Mar. 31, 2024	$ (279,845)		$ 1,998,063		$ (68)	$ (312,477)	$ (1,965,409)			$ 36			$ 10