Stock-Based Compensation - Summary of the Company’s Stock Option Activity (Details) - USD ($) $ / shares in Units, $ in Thousands		12 Months Ended
	Jan. 27, 2021	Dec. 31, 2021	Dec. 31, 2020
Equity Incentive Plan
Number of Options
Number of options, beginning balance (in shares)		30,402,801
Number of options, granted (in shares)		5,287,031
Number of options, exercised (in shares)		(2,757,671)
Number of options, expired/forfeited (in shares)		(969,240)
Number of options, ending balance (in shares)		31,962,921	30,402,801
Number of options, exercisable (in shares)		14,777,334
Number Of option, vested and expected to vest (in shares)		26,660,149
Weighted Average Exercise Price
Weighted average exercise price, beginning balance (in dollars per share)		$ 2.45
Weighted average exercise price, granted (in dollars per share)		4.74
Weighted average exercise price, exercised (in dollars per share)		2.30
Weighted average exercise price, expired/forfeited (in dollars per share)		3.65
Weighted average exercise price, ending balance (in dollars per share)		2.81	$ 2.45
Weighted average exercise price, exercisable (in dollars per share)		2.51
Weighted average exercise price, vested and expected to vest (in dollars per share)		$ 2.73
Weighted Average Remaining Contractual Life (Years)
Weighted average remaining contractual life (years), beginning period			8 years 9 months
Weighted average remaining contractual life (years), ending period		7 years 9 months 7 days
Weighted average remaining contractual life (years), exercisable		6 years 11 months 4 days
Weighted average remaining contractual life (years), vested and expected to vest		7 years 7 months 2 days
Aggregate Intrinsic Value
Aggregate intrinsic value, beginning balance		$ 885
Aggregate intrinsic value, exercised		7,740
Aggregate intrinsic value, ending balance		86,075	$ 885
Aggregate intrinsic value, exercisable		41,622
Aggregate intrinsic value, vested and expected to vest		$ 72,705
STI Plan
Number of Options
Number of options, beginning balance (in shares)		6,490,208
Number of options, granted (in shares)	399,553	5,516,399
Number of options, exercised (in shares)		(1,630,925)
Number of options, expired/forfeited (in shares)		(848,955)
Number of options, ending balance (in shares)		9,526,727	6,490,208
Number of options, exercisable (in shares)		3,637,954
Number Of option, vested and expected to vest (in shares)		7,608,158
Weighted Average Exercise Price
Weighted average exercise price, beginning balance (in dollars per share)		$ 2.49
Weighted average exercise price, granted (in dollars per share)	$ 2.767	7.82
Weighted average exercise price, exercised (in dollars per share)		2.54
Weighted average exercise price, expired/forfeited (in dollars per share)		2.68
Weighted average exercise price, ending balance (in dollars per share)		5.55	$ 2.49
Weighted average exercise price, exercisable (in dollars per share)		2.95
Weighted average exercise price, vested and expected to vest (in dollars per share)		$ 4.81
Weighted Average Remaining Contractual Life (Years)
Weighted average remaining contractual life (years), beginning period			9 years 3 months 3 days
Weighted average remaining contractual life (years), ending period		8 years 3 days
Weighted average remaining contractual life (years), exercisable		6 years 2 months 26 days
Weighted average remaining contractual life (years), vested and expected to vest		7 years 8 months 4 days
Aggregate Intrinsic Value
Aggregate intrinsic value, beginning balance		$ 1,174
Aggregate intrinsic value, exercised		8,807
Aggregate intrinsic value, ending balance		13,905	$ 1,174
Aggregate intrinsic value, exercisable		9,364
Aggregate intrinsic value, vested and expected to vest		$ 13,896