Consolidated Statements of Operations - USD ($) shares in Thousands, $ in Thousands	12 Months Ended
	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021
Revenues	$ 91,370	$ 53,905	$ 200,577
Operating expenses:
Research and development	220,571	135,562	82,284
General and administrative	61,835	49,900	46,318
Total operating expenses	282,406	185,462	128,602
Income (loss) from operations	(191,036)	(131,557)	71,975
Other income (expense):
Interest income	31,014	6,349	42
Other expense, net	(458)	(397)	(96)
Total other income (expense), net	30,556	5,952	(54)
Income (loss) before income taxes	(160,480)	(125,605)	71,921
Provision for (benefit from) income taxes	(13,452)	(8,656)	4,946
Net income (loss)	$ (147,028)	$ (116,949)	$ 66,975
Earnings Per Share, Basic	$ (2.76)	$ (2.47)	$ 1.51
Earnings Per Share, Diluted	$ (2.76)	$ (2.47)	$ 1.38
Weighted Average Number of Shares Outstanding, Basic	53,216	47,369	44,228
Weighted Average Number of Shares Outstanding, Diluted	53,216	47,369	48,464
Collaboration revenue
Revenues	$ 91,320	$ 13,855	$ 139,833
Revenue from license and intellectual property
Revenues	$ 50	$ 40,050	$ 60,744