Commitments and Contingencies (Details) - USD ($)	3 Months Ended								12 Months Ended
	Dec. 31, 2023	Sep. 30, 2023	Jun. 30, 2023	Mar. 31, 2023	Dec. 31, 2022	Sep. 30, 2022	Jun. 30, 2022	Mar. 31, 2022	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020
Commitments and Contingencies
Revenues	$ 0	$ 0	$ 0	$ 0	$ 0	$ 0	$ 0	$ 0	$ 0	$ 0	$ 0
Obtaining a right-of-use asset in exchange for a lease liability									$ 1,628,000	$ 583,000	$ 376,000
Research, Development and Commercialization Agreement | Hoffmann-La Roche ("Roche")
Commitments and Contingencies
Remainder of future milestone payments												$ 8,000,000