Summary of Significant Accounting Policies - Collaborations (Details)	1 Months Ended
	Jul. 31, 2020 Program	Sep. 30, 2022 USD ($)	Dec. 31, 2021 USD ($)
Collaborative Arrangement and Arrangement Other than Collaborative [Line Items]
Research cost sharing provision payable | $		$ 18,000
Research cost sharing provision receivable | $			$ 25,000
Collaboration And License Agreement | Xencor Inc
Collaborative Arrangement and Arrangement Other than Collaborative [Line Items]
Term of the research program (in years)	3 years
Maximum number of joint programs eligible for further development and commercialization | Program	2
Percentage of costs and profit shared by partners	50.00%
Maximum number of independent programs each partner may pursue | Program	2