Stock Warrants and Earnouts - Narrative (Details) $ / shares in Units, $ in Thousands						3 Months Ended	9 Months Ended
	Jul. 06, 2021 $ / shares shares	Jun. 29, 2021 $ / shares shares	Jun. 04, 2021 shares	Mar. 12, 2021 USD ($) shares	Feb. 26, 2021 USD ($) day $ / shares shares	Oct. 31, 2021 USD ($) shares	Oct. 31, 2021 USD ($) shares	Oct. 31, 2020 USD ($)	Jul. 01, 2021 shares	Mar. 19, 2021 USD ($) shares	Feb. 25, 2021 shares	Jan. 31, 2021 USD ($) shares
Class of Warrant or Right [Line Items]
Warrants outstanding (in shares)						37,756,829	37,756,829					38,761,031
Warrants exercised (in shares)							17,751,851
Proceeds from the exercise of warrants | $							$ 118,845	$ 0
Common stock warrant liabilities | $						$ 29,282	$ 29,282					$ 75,843
Warrants redeemed (in shares)							244,481
Earnout period (in years)					5 years
Earnout shares (in shares)				18,000,000	27,000,000
Number of trading days | day					10
Number of consecutive trading days | day					20
Estimated fair value of total earnout shares | $					$ 828,200
Earnout shares, net (in shares)									8,773,596	17,539,657
Derivative liability | $										$ 743,700
Earnout shares remaining (in shares)		9,000,000		9,000,000
Gain from change in fair value | $							$ 84,400
Derivative Instrument, Period One
Class of Warrant or Right [Line Items]
Earn Back price trigger (USD per share) | $ / shares					$ 15.00
Derivative Instrument, Period Two
Class of Warrant or Right [Line Items]
Earn Back price trigger (USD per share) | $ / shares					20.00
Derivative Instrument, Period Three
Class of Warrant or Right [Line Items]
Earn Back price trigger (USD per share) | $ / shares					30.00
Triggering Event, $15 And $20 VWAP Per Share Thresholds
Class of Warrant or Right [Line Items]
Derivative liability | $				$ 501,100
Triggering Event, $15 And $20 VWAP Per Share Thresholds | Minimum
Class of Warrant or Right [Line Items]
Earn Back price trigger (USD per share) | $ / shares					15.00
Triggering Event, $15 And $20 VWAP Per Share Thresholds | Maximum
Class of Warrant or Right [Line Items]
Earn Back price trigger (USD per share) | $ / shares					20.00
Triggering Event, $30 VWAP Per Share Threshold
Class of Warrant or Right [Line Items]
Earn Back price trigger (USD per share) | $ / shares		$ 30.00			$ 30.00
Derivative liability | $				$ 242,600
Private Placement Warrants
Class of Warrant or Right [Line Items]
Warrants outstanding (in shares)						2,172,226	2,172,226					0
Warrants exercised (in shares)							4,349,342
Warrants redeemed (in shares)							0
Public Warrants
Class of Warrant or Right [Line Items]
Warrants outstanding (in shares)						0	0				10,470,562	0
Warrants exercised (in shares)			244,481				10,226,081
Proceeds from the exercise of warrants | $							$ 117,600
Change in fair value of warrant liabilities | $						$ 0	15,900
Common stock warrant liabilities | $						$ 153,700	$ 153,700
Warrants redeemed (in shares)	244,481						244,481
Warrants redeemed price per share (in USD per share) | $ / shares	$ 0.01
Series B, D, And E Redeemable Convertible Preferred Stock
Class of Warrant or Right [Line Items]
Warrants outstanding (in shares)						2,358,528	2,358,528
Legacy Warrants
Class of Warrant or Right [Line Items]
Warrants outstanding (in shares)						35,584,603	35,584,603					38,761,031
Warrants exercised (in shares)							3,176,428
Proceeds from the exercise of warrants | $						$ 1,200	$ 1,200
Warrants redeemed (in shares)							0
Common Stock Warrants
Class of Warrant or Right [Line Items]
Warrants outstanding (in shares)						36,402,503	36,402,503
Legacy Common Stock Warrants
Class of Warrant or Right [Line Items]
Warrants exercised (in shares)						1,491,243
Issuance of common stock upon exercise of warrants (in shares)						(1,379,036)	(2,866,560)