Related Party Transactions	9 Months Ended
	Sep. 30, 2022
Related Party Transactions [Abstract]
Related Party Transactions	Related Party TransactionsIn June 2022 and 2021, the Company granted 15,000 and 26,572 stock options with a grant date fair value of $0.1 million and $0.5 million to non-employee directors on the Company's board of directors with an affiliation to Third Rock Ventures. The shares of common stock subject to these options vest 25% on the first day of each calendar quarter for three quarters with the final vest date being the earlier of (i) the one-year anniversary of the grant date or (ii) the next Annual Meeting of Stockholders. In March 2020, the Company granted 26,573 stock options with a grant date fair value of $0.1 million to a partner at Third Rock Ventures, who is also serving as a non-employee director on the Company’s board of directors. The shares of common stock subject to these options vest 1/12th on the last day of each calendar quarter over a three-year period and commenced vesting upon completion of our IPO. In order to vest, the stockholders must be providing continuous service to the Company through such vesting date. See Note 13 for additional information.