Stockholders’ Equity - Narrative (Details) - USD ($) $ / shares in Units, $ in Thousands		1 Months Ended	3 Months Ended
	Sep. 29, 2020	Mar. 31, 2022	Mar. 31, 2022	Mar. 31, 2021	Feb. 28, 2022	Dec. 31, 2021	Dec. 31, 2020	Oct. 19, 2020
Class of Stock [Line Items]
Common stock, shares authorized (in shares)		2,250,000,000	2,250,000,000
Common stock, par value (in USD per share)		$ 0.0001	$ 0.0001
Preferred stock, shares authorized (in shares)		25,000,000	25,000,000
Preferred stock, par value (in USD per share)		$ 0.0001	$ 0.0001
Preferred stock, shares issued (in shares)		0	0
Preferred stock, shares outstanding (in shares)		0	0
Warrants outstanding (in shares)	24,876,512	5,973,870	5,973,870			5,973,870
Stockholders' equity		$ 259,654	$ 259,654	$ 391,677		$ 299,263	$ 340,823
Reduction of revenue related to stock warrant granted to a customer			5,303	0
Amazon.com NV Investment Holdings LLC
Class of Stock [Line Items]
Warrant exercise price (in USD per share)					$ 4.18
Warrants outstanding (in shares)					39,594,032
Warrant vesting payments to be received					$ 200,000
Amazon.com NV Investment Holdings LLC | Warrant
Class of Stock [Line Items]
Shares vested (in shares)		0
Prior Year Adjustment of Warrants
Class of Stock [Line Items]
Stockholders' equity							0
Accumulated Deficit
Class of Stock [Line Items]
Stockholders' equity		$ (575,454)	(575,454)	(354,914)		(526,333)	(315,682)
Accumulated Deficit | Prior Year Adjustment of Warrants
Class of Stock [Line Items]
Stockholders' equity		1,600	1,600				1,585
Additional Paid in Capital
Class of Stock [Line Items]
Stockholders' equity		836,229	836,229	$ 746,824		$ 825,988	656,717
Additional Paid in Capital | Prior Year Adjustment of Warrants
Class of Stock [Line Items]
Stockholders' equity		$ (1,600)	$ (1,600)				$ (1,585)
Public Warrants
Class of Stock [Line Items]
Number of shares available per warrant (in shares)	0.75
Warrant exercise price (in USD per share)	$ 11.50
Period after the Business Combination after which the public warrants become exercisable	30 days
Warrant expiration period	5 years
Redemption price (in dollars per share)			$ 0.01
Stock price trigger (in USD per share)	$ 18.00
Threshold trading days	20 days
Threshold trading day window	30 days
Days prior to notice of redemption	3 days
Shares registered that may be issued upon exercise of warrants (in shares)								18,657,384
Warrants outstanding (in shares)	24,876,512	5,973,870	5,973,870	5,979,442
Working Capital Warrants
Class of Stock [Line Items]
Shares registered that may be issued upon exercise of warrants (in shares)								375,000