Equity Incentive Awards - Summary of Stock Option Activity (Details) - $ / shares	12 Months Ended
	Dec. 31, 2023
Options
Outstanding at end of year (in shares)	23,719,712
Options
Options
Outstanding at beginning of year (in shares)	12,349,000
Granted (in shares)	8,091,000
Exercised (in shares)	0
Expired (in shares)	(152,000)
Forfeited (in shares)	(1,583,000)
Outstanding at end of year (in shares)	18,705,000
Exercisable (in shares)	8,280,000
Weighted Average Exercise Price
Outstanding at beginning of year (in dollars per share)	$ 5.10
Granted (in dollars per share)	2.29
Exercised (in dollars per share)	0
Expired (in dollars per share)	14.68
Forfeited (in dollars per share)	3.66
Outstanding at end of year (in dollars per share)	3.93
Exercisable (in dollars per share)	$ 5.58