Leases (Additional Information) (Details) $ in Thousands		1 Months Ended	3 Months Ended
	Feb. 15, 2018 ft²	Mar. 31, 2021 ft²	Mar. 31, 2025 USD ($)	Mar. 31, 2024 USD ($)	Dec. 31, 2024 USD ($)
Lessee, Lease, Description [Line Items]
Lease option to extend additional term		5 years
Accelerated amortization expense on right-of-use asset			$ 1,000
Non-cash impairment of the right-of-use asset			4,100
Loss on impairment of lease right-of-use asset			4,130	$ 0
Operating lease assets			31,727		$ 39,807
Operating lease, liability			39,554
Freezers
Lessee, Lease, Description [Line Items]
Operating lease assets			50,800
Operating lease, liability			4,800
South San Francisco California | Line of credit
Lessee, Lease, Description [Line Items]
Letter of credit issued, classified as long-term restricted cash			$ 100
Thousand Oaks California
Lessee, Lease, Description [Line Items]
Lease agreement area of square feet of office, lab and warehouse space | ft²		33,659
Lease initial term	15 years	10 years 6 months
Percentage of annual increase in base rent		3.00%
Lease commencement date	Feb. 15, 2018
Lease agreement area of office lab and cellular therapy manufacturing space | ft²	90,580