Equity Incentive Plans - Summary of Stock Option Activity (Details) - USD ($) $ / shares in Units, $ in Thousands		6 Months Ended	12 Months Ended
	May 05, 2023	Jun. 30, 2023	Dec. 31, 2022
Shares Subject to Options Outstanding, Shares
Outstanding as of beginning balance (in shares)		17,487,165
Options granted (in shares)	750,000	11,570,739
Option exercised (in shares)		0
Options forfeited/cancelled (in shares)		(9,318,846)
Outstanding as ending balance (in shares)		19,739,058	17,487,165
Options vested and exercisable as of ending balance (in shares)		19,739,058
Options exercisable as of ending balance (in shares)		8,065,502
Shares Subject to Options Outstanding, Weighted Average Exercise Price
Outstanding as of beginning balance (in USD per share)		$ 9.24
Options granted (in USD per share)	$ 1.36	1.30
Option exercised (in USD per share)		0
Options forfeited/cancelled (in USD per share)		11.33
Outstanding as of ending balance (in USD per share)		3.59	$ 9.24
Options vested and exercisable as of ending balance (in USD per share)		3.59
Options exercisable as of ending balance (in USD per share)		$ 5.83
Weighted-Average Remaining Contractual Life (in years)		7 years 4 months 24 days	8 years 1 month 6 days
Weighted-Average Remaining Contractual Life (in years), Options vested and exercisable as of end of period		7 years 4 months 24 days
Weighted-Average Remaining Contractual Life (in years), Options exercisable as of end of period		5 years 7 months 6 days
Aggregate Intrinsic Value		$ 1	$ 47
Aggregate Intrinsic Value, Options vested and exercisable as of end of period		1
Aggregate Intrinsic Value, Options exercisable as of end of period		$ 0