Organization, Basis of Presentation and Summary of Significant Accounting Policies - Additional Information (Details)		1 Months Ended		3 Months Ended		4 Months Ended
	Oct. 29, 2019 USD ($) shares	Dec. 31, 2020 USD ($) shares	May 31, 2019 shares	Mar. 31, 2022 USD ($) Segment shares	Mar. 31, 2021 USD ($) shares	May 06, 2019 USD ($) shares
Organization Basis Of Presentation And Summary Of Significant Accounting Policies [Line Items]
Fair value liabilities, level 1 to level 2 transfers, amount				$ 0	$ 0
Fair value liabilities, level 2 to level 1 transfers, amount				0	0
Fair value liability, transfers into level 3				0	0
Fair value liability, transfers out of level 3				0	$ 0
Impairment losses				$ 0
Number of operating segment | Segment				1
Domestic
Organization Basis Of Presentation And Summary Of Significant Accounting Policies [Line Items]
Research and development expenditures, amortization period				5 years
Foreign
Organization Basis Of Presentation And Summary Of Significant Accounting Policies [Line Items]
Research and development expenditures, amortization period				15 years
Unvested Shares
Organization Basis Of Presentation And Summary Of Significant Accounting Policies [Line Items]
Weighted-average unvested shares | shares				1,022,885	2,582,666
Furniture and Fixtures
Organization Basis Of Presentation And Summary Of Significant Accounting Policies [Line Items]
Property and equipment, useful life				3 years
Minimum | Computer Equipment and Related Software
Organization Basis Of Presentation And Summary Of Significant Accounting Policies [Line Items]
Property and equipment, useful life				2 years
Maximum | Computer Equipment and Related Software
Organization Basis Of Presentation And Summary Of Significant Accounting Policies [Line Items]
Property and equipment, useful life				3 years
Takeda Warrant | Takeda License | Takeda
Organization Basis Of Presentation And Summary Of Significant Accounting Policies [Line Items]
Shares of common stock included in calculation of basic weighted-average common shares | shares				7,588,000
Fair Value, Recurring
Organization Basis Of Presentation And Summary Of Significant Accounting Policies [Line Items]
Financial assets fair value disclosure				$ 0
Fair Value, Nonrecurring
Organization Basis Of Presentation And Summary Of Significant Accounting Policies [Line Items]
Non-financial assets fair value disclosure				0
Non-financial liabilities fair value disclosure				$ 0
Common Stock
Organization Basis Of Presentation And Summary Of Significant Accounting Policies [Line Items]
Common stock shares issued | shares						2,524,852
Net proceeds from issuance of common stock						$ 1,000
Common Stock | Takeda License
Organization Basis Of Presentation And Summary Of Significant Accounting Policies [Line Items]
Common stock shares issued | shares			1,084,000
Common Stock | Takeda License | Takeda
Organization Basis Of Presentation And Summary Of Significant Accounting Policies [Line Items]
Number of warrants remaining exercisable | shares				0
IPO | Common Stock
Organization Basis Of Presentation And Summary Of Significant Accounting Policies [Line Items]
Common stock shares issued | shares	10,997,630
Proceeds from Initial Public Offering (IPO)	$ 191,500,000
Follow-on Public Offering | Common Stock
Organization Basis Of Presentation And Summary Of Significant Accounting Policies [Line Items]
Common stock shares issued | shares		2,250,000
Net proceeds from issuance of common stock		$ 88,600,000