Organization, Restructuring, Going Concern and Basis of Presentation - Additional Information (Details)	2 Months Ended	12 Months Ended
	Jun. 30, 2024 Employee	Dec. 31, 2024 USD ($) Lease	Dec. 31, 2023 USD ($)
Organization And Basis Of Presentation [Line Items]
Entity incorporation, date of incorporation		Nov. 21, 2005
Number of leased properties marketed for sublease arrangements | Lease		3
Restructuring charge		$ 10,896,000
Impairment charge for write-down of property and equipment		1,900,000	$ 1,600,000
Impairment of right-of-use assets		22,836,000
Fund raised for operations		424,800,000
Accumulated deficit		(404,790,000)	(311,355,000)
Cash and cash equivalents		40,577,000	22,353,000
Short-term investments		$ 0	$ 80,400,000
Employee Severance
Organization And Basis Of Presentation [Line Items]
Number of employees reduced | Employee	87