Condensed Consolidated Statements of Stockholders’ Equity (Deficit) - USD ($) $ in Thousands	Total	Equity Financing Program	Additional Paid-in Capital	Additional Paid-in Capital Equity Financing Program	Accumulated Other Comprehensive 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, 2021										266,076,525			97,088,670
Beginning balance at Dec. 31, 2021	$ 197,985		$ 1,257,214		$ (908)	$ (235,871)	$ (822,487)			$ 27			$ 10
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Shares repurchased	(39,648)					(39,648)
Issuance of Class A common stock upon exercise of warrants (in shares)										401,365
Issuance of Class A common stock upon exercise of warrants	18,689		18,689
Issuance of Class A common stock upon exercise of stock options and vesting of restricted stock units (in shares)										2,117,059
Issuance of Class A common stock upon exercise of stock options and vesting of restricted stock units	1,085		1,085
Retirement of unvested restricted common stock (in shares)										(40,763)
Vendor payments under the stock-in-lieu of cash program (in shares)										1,424,350
Vendor payments under the stock-in-lieu of cash program	14,613		14,613
Share-based compensation	23,657		23,657
Payments of employee taxes related to vested restricted stock units	(516)		(516)
Other comprehensive income (loss)	(3,648)				(3,648)
Net loss	(88,333)						(88,333)
Ending balance (in shares) at Mar. 31, 2022										269,978,536			97,088,670
Ending balance at Mar. 31, 2022	123,884		1,314,742		(4,556)	(275,519)	(910,820)			$ 27			$ 10
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 (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	1,039	$ 22,665	1,038	$ 22,665					$ 22,700	$ 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 vested restricted stock units	(572)		(572)
Other comprehensive income (loss)	2,226				2,226
Net loss	(146,774)						(146,774)
Ending balance (in shares) at Mar. 31, 2023								279,181,753		301,045,203		97,088,670	97,088,670
Ending balance at Mar. 31, 2023	$ (82,280)		$ 1,647,357		$ (2,000)	$ (312,477)	$ (1,415,200)			$ 30			$ 10