Income Taxes - Effective Income Tax Rate (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020
Effective income tax rate reconciliation
Tax benefit at U.S. federal statutory rate	$ (62,023)	$ (50,788)	$ (17,629)
Stock based compensation	(7,844)		(47)
162M limitation	7,996	22
Other nondeductible expenses	16	5	14
State income taxes benefit before valuation allowance, net of federal benefit	13,090	(19,622)	(6,613)
Increase in domestic valuation allowance	59,466	79,258	26,843
Research and development credit	(10,712)	(9,002)	(2,636)
Other adjustments	11	127	68
Income tax expense (benefit)	$ 0		$ 0