Description of the Business - Additional Information (Details) $ / shares in Units, $ in Thousands			3 Months Ended
	Nov. 17, 2020 USD ($) $ / shares shares	Apr. 28, 2020 USD ($) $ / shares shares	Mar. 31, 2021 USD ($) Segment $ / shares	Dec. 31, 2020 USD ($)
Description Of Business [Line Items]
Number of operating segments | Segment			1
Accumulated deficit			$ 182,902	$ 166,393
Maximum
Description Of Business [Line Items]
Price per share of common stock | $ / shares			$ 35.67
Minimum
Description Of Business [Line Items]
Price per share of common stock | $ / shares			$ 29.83
Common Stock
Description Of Business [Line Items]
Proceeds from issuance of common stock pursuant to initial public offering		$ 138,000
Underwriting discounts and commissions and other offering expenses		12,800
Net proceeds from IPO		$ 125,200
Convertible preferred stock outstanding converted into shares of common stock | shares		19,278,606
Reverse stock split		one-for-four
Reverse stock split ratio		0.25
Common Stock | Initial Public Offering
Description Of Business [Line Items]
Shares of common stock issued | shares		8,625,000
Price per share of common stock | $ / shares		$ 16.00
Common Stock | Option to Purchase Additional Shares | Maximum
Description Of Business [Line Items]
Shares of common stock issued | shares	756,000	1,125,000
Common Stock | Secondary Public Offering
Description Of Business [Line Items]
Shares of common stock issued | shares	5,796,000
Price per share of common stock | $ / shares	$ 23.00
Underwriting discounts and commissions and other offering expenses	$ 8,500
Gross proceeds from secondary public offering excluding underwriting discounts and commissions and other offering expenses	133,300
Proceeds from issuance of common stock pursuant to public offering	$ 124,800