Stockholders' Equity - Narrative (Detail) - USD ($)	3 Months Ended			12 Months Ended
	Mar. 31, 2023	Mar. 31, 2022	Mar. 31, 2021	Dec. 31, 2022	Dec. 31, 2020	Dec. 31, 2021
Class of Stock [Line Items]
Common stock, shares authorized (in shares)	1,000,000,000			1,000,000,000
Common stock, par value (in dollars per share)	$ 0.0001			$ 0.0001
Preferred stock, shares authorized (in shares)	10,000,000			10,000,000
Common stock, voting rights	one
Common stock, shares outstanding (in shares)	143,267,991			143,034,225
Sponsor vesting shares outstanding (in shares)	4,500,000			4,500,000
Stock options available for grant (in shares)	15,683,288			15,728,837
Stock options, exercisable (in shares)	3,643,010			3,588,523
Total intrinsic value of options exercised	$ 800,000	$ 700,000
Stock option, aggregate intrinsic value	25,900,000			$ 28,700,000
Cost not yet recognized	$ 4,000,000			$ 4,700,000
Stock compensation not yet recognized, vesting period	1 year 4 months 24 days			1 year 8 months 12 days
Stock-based compensation	$ 2,246,000	918,000
Stock compensation not yet recognized	24,800,000
General and administrative expense
Class of Stock [Line Items]
Stock-based compensation	1,400,000	700,000
Research and development expense
Class of Stock [Line Items]
Stock-based compensation	$ 800,000	200,000
Performance and market based awards
Class of Stock [Line Items]
Stock options issued during the period (in shares)					2,920,732
Stock options, vested (in shares)			529,119
Performance and market based awards | First vesting
Class of Stock [Line Items]
Stock option plan, vesting percentage			2.083%
Stock options, outstanding (in shares)			529,119
Performance and market based awards | Second vesting
Class of Stock [Line Items]
Stock options, outstanding (in shares)			2,391,613
RSU awards
Class of Stock [Line Items]
Option vesting period	2 years 6 months
Vested (in shares)	70,670
Options to purchase common stock
Class of Stock [Line Items]
Option vesting period	1 year 4 months 24 days
Stock options issued during the period (in shares)	0
Performance Shares
Class of Stock [Line Items]
Total intrinsic value of options exercised	$ 400,000	0
Unvested outstanding (in shares)	2,019,025
Employee Stock Purchase Plan | Employee Stock
Class of Stock [Line Items]
Purchase price of common stock	85.00%
Number of shares authorized (in shares)	5,639,944			3,722,490		1,846,710
Evergreen shares reserve feature period	10 years
Increase in shares authorized	1.00%
Increase in number of shares of authorized common stock (in shares)	3,693,420
Number of additional shares authorized (in shares)	1,917,454
Stock Plans
Class of Stock [Line Items]
Stock option plan, exercisable period	4 years
Stock Plans | RSU awards
Class of Stock [Line Items]
Option vesting period	3 years
Requisite service period	3 years
Stock Plans | RSU awards | Tranche one
Class of Stock [Line Items]
Stock option plan, vesting percentage	33.30%
Stock Plans | RSU awards | Tranche two
Class of Stock [Line Items]
Stock option plan, vesting percentage	33.30%
Stock Plans | RSU awards | Tranche three
Class of Stock [Line Items]
Stock option plan, vesting percentage	33.30%
Stock Plans | Employee Stock
Class of Stock [Line Items]
Common stock, shares reserved (in shares)	28,761,816			27,846,011
Stock Plans | Performance Shares | Minimum
Class of Stock [Line Items]
Stock option plan, vesting percentage	0.00%
Stock Plans | Performance Shares | Maximum
Class of Stock [Line Items]
Stock option plan, vesting percentage	300.00%
Stock Plans | Share-based payment arrangement, nonemployee
Class of Stock [Line Items]
Stock option plan, exercisable period	10 years
Stock Plans | One year from the vesting commencement date
Class of Stock [Line Items]
Stock option plan, vesting percentage	25.00%
Option vesting period	1 year
Stock Plans | More than one year from vesting commencement date
Class of Stock [Line Items]
Stock option plan, vesting percentage	2.778%
2021 Equity Incentive Plan | RSU awards
Class of Stock [Line Items]
Stock compensation not yet recognized, vesting period	3 years
Cost not yet recognized, excluding options	$ 20,800,000
2021 Equity Incentive Plan | Employee Stock
Class of Stock [Line Items]
Number of shares authorized (in shares)				18,467,109
Evergreen shares reserve feature period	10 years
Increase in shares authorized	5.00%
Number of additional shares authorized (in shares)	915,805
Maximum percentage of share reserve, outstanding diluted stock	15.00%
2021 Equity Incentive Plan | Performance Shares
Class of Stock [Line Items]
Share-based payment arrangement expense	$ 0	$ 0
Vested (in shares)	0	0
Common Stock
Class of Stock [Line Items]
Common stock, shares authorized (in shares)	1,010,000,000			1,010,000,000
Common stock, par value (in dollars per share)	$ 0.0001			$ 0.0001
Warrants issued (in shares)	1,000,000,000			1,000,000,000
Common stock, shares outstanding (in shares)	143,267,991			143,034,225