CONDENSED CONSOLIDATED STATEMENTS OF OPERATIONS AND COMPREHENSIVE LOSS - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2024	Mar. 31, 2023
Income Statement [Abstract]
Revenue from collaborations	$ 292	$ 2,583
Revenue from customers	694	140
Operating expenses:
Research and development	16,366	18,135
General and administrative	6,666	8,506
Total operating expenses	23,032	26,641
Loss from operations	(22,046)	(23,918)
Interest and other income (expense), net	(12,793)	1,002
Loss before income tax expense	(34,839)	(22,916)
Income tax expense	(24)	(39)
Net loss	(34,863)	(22,955)
Other comprehensive income (loss):
Unrealized gain (loss) on available-for-sale securities	(69)	98
Other comprehensive income (loss)	(69)	98
Comprehensive loss	$ (34,932)	$ (22,857)
Net loss per share, basic	$ (0.22)	$ (0.53)
Net loss per share, diluted	$ (0.22)	$ (0.53)
Weighted average shares of common stock, basic	156,154,156	42,910,065
Weighted average shares of common stock, diluted	156,154,156	42,910,065