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The Company and Significant Accounting Policies - Revenue (Details) - USD ($) $ in Thousands	1 Months Ended		3 Months Ended		6 Months Ended		12 Months Ended
	Jul. 31, 2023	Mar. 31, 2023	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2023	Feb. 28, 2023
Revenues from External Customers and Long-Lived Assets
Remaining performance obligation								$ 45,000
Revenue			$ 165,285	$ 188,760	$ 345,918	$ 397,236
Proceeds from upfront fees	$ 6,800	$ 18,000
License and development services
Revenues from External Customers and Long-Lived Assets
Revenue			$ 5,466	$ 0	$ 11,107	$ 0	$ 21,100

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