Condensed Consolidated Statements of Operations (Unaudited) - USD ($) shares in Thousands, $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2022	Jun. 30, 2021	Jun. 30, 2022	Jun. 30, 2021
Operating expenses (gains):
Research and development	$ 72,540	$ 44,996	$ 145,229	$ 86,876
Research and development related success payments and contingent consideration	(17,928)	(76,025)	(73,366)	51,025
General and administrative	18,292	12,477	32,726	24,298
Total operating expenses (gains)	72,904	(18,552)	104,589	162,199
Gain (loss) from operations	(72,904)	18,552	(104,589)	(162,199)
Interest income, net	637	130	976	251
Other income (expense), net	(198)	1	(300)	14
Net income (loss)	$ (72,465)	$ 18,683	$ (103,913)	$ (161,934)
Net income (loss) per common share - basic	$ (0.39)	$ 0.10	$ (0.56)	$ (1.08)
Weighted-average number of common shares - basic	187,626	179,899	186,801	149,683
Net income (loss) per common share - diluted	$ (0.39)	$ 0.09	$ (0.56)	$ (1.08)
Weighted-average number of common shares - diluted	187,626	190,508	186,801	149,683