Organization and Description of Business Operations - Additional Information (Details) $ / shares in Units, $ in Thousands					2 Months Ended	3 Months Ended	5 Months Ended	9 Months Ended
	Sep. 29, 2020 shares	Sep. 28, 2020 USD ($) $ / shares shares	Sep. 16, 2020 shares	Sep. 30, 2019 USD ($)	Aug. 31, 2020 USD ($) shares	Sep. 30, 2020 USD ($) $ / shares shares	Jul. 31, 2020 USD ($) shares	Sep. 30, 2020 USD ($) $ / shares shares	Jul. 01, 2020 shares	Jun. 30, 2020 $ / shares	Dec. 31, 2019 USD ($)
Organization and Description of Business Operations [Line Items]
Date of incorporation								Feb. 13, 2020
Share issue price per share | $ / shares										$ 7.52
Accumulated deficit | $						$ (42,808)		$ (42,808)			$ (1,115)
Series A Convertible Preferred Stock
Organization and Description of Business Operations [Line Items]
Conversion of convertible preferred stock to common stock, shares		10,000,000				10,000,000		10,000,000
Aggregate shares sold							10,000,000
Gross proceeds from sale of convertible preferred stock | $				$ 0			$ 30,000	$ 29,569
Series B Convertible Preferred Stock
Organization and Description of Business Operations [Line Items]
Conversion of convertible preferred stock to common stock, shares		5,647,048				5,647,048		5,647,048
Aggregate shares sold					5,647,048
Gross proceeds from sale of convertible preferred stock | $				$ 0	$ 96,000			$ 95,815
Underwriters’ Option to Purchase Additional Shares
Organization and Description of Business Operations [Line Items]
Issuance of shares of common stock, shares	1,180,434
IPO
Organization and Description of Business Operations [Line Items]
Issuance of shares of common stock, shares		7,869,566						9,050,000
Share issue price per share | $ / shares		$ 20.00				$ 20.00		$ 20.00
Net proceeds from issuance of common stock | $		$ 165,900
Underwriting discounts and commissions and other offering costs | $		$ 2,400
Increase in outstanding shares		26,097,378
2020 Equity Incentive Plan
Organization and Description of Business Operations [Line Items]
Number of common stock authorized for issuance			3,845,294
Common Stock
Organization and Description of Business Operations [Line Items]
Conversion ratio		1.0895	1.0895
Issuance of shares of common stock, shares						9,050,000		9,050,000
Conversion of stock, shares issued		17,047,378				17,047,378		17,047,378
Common Stock | 2020 Equity Incentive Plan
Organization and Description of Business Operations [Line Items]
Number of common stock authorized for issuance			3,845,294						3,529,412