Organization and Description of Business Operations - Additional Information (Details) - USD ($)			1 Months Ended		3 Months Ended
	Oct. 21, 2022	Oct. 05, 2021	Oct. 31, 2022	Apr. 30, 2022	Mar. 31, 2023	Dec. 31, 2022
Organization and Description of Business Operations [Line Items]
Date of incorporation					Feb. 13, 2020
Common stock, shares issued					63,473,349	63,207,507
Common stock, par value per share					$ 0.00001	$ 0.00001
Accumulated deficit					$ (419,063,000)	$ (401,441,000)
Astellas
Organization and Description of Business Operations [Line Items]
Upfront payment	$ 20,000,000.0		$ 20,000,000.0
Gross proceeds including upfront payments			50,000,000.0
Sales Agreement
Organization and Description of Business Operations [Line Items]
Common stock shares issued and sold					0
Number of shares issued				2,000,000
Net proceeds from issuance of common stock				$ 11,600,000
Sales Agreement | Sales Agents
Organization and Description of Business Operations [Line Items]
Percentage of gross sales price per share of common stock		3.00%
Sales Agreement | Sales Agents | Maximum
Organization and Description of Business Operations [Line Items]
Aggregate offering price from sale of common stock		$ 150,000,000.0
Securities Purchase Agreement | Private Placement | Astellas
Organization and Description of Business Operations [Line Items]
Net proceeds from issuance of common stock			$ 30,000,000.0
Common stock, shares issued	7,266,342		7,266,342
Underwriting Agreement
Organization and Description of Business Operations [Line Items]
Net proceeds from issuance of common stock			$ 27,700,000
Common stock, shares issued			14,000,000
Common stock, par value per share			$ 2.00
Option to purchase additional number of shares			765,226
Underwriter agreed to purchase share price of per share			$ 1.88