Common Stock - Narrative (Details) $ in Thousands		12 Months Ended
	Jan. 03, 2019 USD ($) shares	Dec. 31, 2021 class vote shares	Apr. 19, 2021 shares	Dec. 31, 2020 shares
Common Stock [Line Items]
Common stock, shares authorized (in shares)		1,700,000,000		429,600,000
Common stock, number of classes | class		2
Common stock, shares outstanding (in shares)		375,089,360		226,364,401
Shares issued for each share converted (in shares)		1
Minimum
Common Stock [Line Items]
Conversion of stock conversion period		61 days
Maximum
Common Stock [Line Items]
Conversion of stock conversion period		180 days
Common Class A
Common Stock [Line Items]
Common stock, shares authorized (in shares)		1,500,000,000		386,400,000
Common stock, shares outstanding (in shares)		296,426,738		183,800,251
Number of votes for each warrant or right | vote		1
Common Class A | Warrant Transfer Agreement | Angel Pride Holdings Limited | Common Stock Warrant
Common Stock [Line Items]
Stock issued during period shares in connection with prior debt financing (in shares)	26,021,583
Proceeds from issuance of common stock warrants | $	$ 868
Common Class A | Warrant Transfer Agreement | Hontai App Fund Limited Partnership | Common Stock Warrant
Common Stock [Line Items]
Stock issued during period shares in connection with prior debt financing (in shares)	8,794,734
Proceeds from issuance of common stock warrants | $	$ 293
Common Class B
Common Stock [Line Items]
Common stock, shares authorized (in shares)		200,000,000		0
Common stock, shares outstanding (in shares)		78,662,622		0
Number of votes for each warrant or right | vote		20
Restated Certificate of Incorporation | Common Class A
Common Stock [Line Items]
Common stock, shares authorized (in shares)			1,500,000,000
Common stock, shares outstanding (in shares)			296,426,738
Restated Certificate of Incorporation | Common Class B
Common Stock [Line Items]
Common stock, shares authorized (in shares)			200,000,000
Common stock, shares outstanding (in shares)			78,662,622
Restated Certificate of Incorporation | Common Class C
Common Stock [Line Items]
Common stock, shares authorized (in shares)			150,000,000