Share-based Compensation (Tables) - 2019 Incentive Plan

12 Months Ended

Dec. 31, 2021

Share-based Compensation Arrangement by Share-based Payment Award [Line Items]

Schedule of fair value assumptions on options

	For the year ended December 31,
	2019		2020		2021
Expected volatility	50.22	%	50.22	%	49.29%-50.47	%
Expected dividend yield	—		—		—
Contractual term (in year)	10		10		10
Risk-free interest rate	1.66	%	1.66	%	1.38%-1.45	%

Summary of stock option activity under the 2019 Incentive Plan

		Weighted		Weighted average
		average exercise	Aggregate intrinsic	remaining
	Number of	price US$ per	value	contractual
	shares	share	US$	years
Outstanding at December 31, 2018	—	—	—	—
Granted during the year	129,590,471	0.0001
Exercised during the year	—	—
Forfeited during the year	(3,187,546)	0.0001
Outstanding at December 31, 2019	126,402,925	0.0001	37,352,064	9.68
Granted during the year	5,125,000	0.0001
Exercised during the year	(36,613,500)	0.0001
Forfeited / Cancelled during the year	(6,674,341)	0.0001
Outstanding at December 31, 2020	88,240,084	0.0001	9,847,593	8.77
Granted during the year	32,765,413	0.0001
Exercised during the year	(18,031,675)	0.0001
Forfeited / Cancelled during the year	(8,143,392)	0.0001
Outstanding at December 31, 2021	94,830,430	0.0001	4,324,268	8.44
Exercisable at December 31, 2021	56,003,331	0.0001