Operating Leases - Additional Details (Details) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2025	Mar. 31, 2024	Dec. 31, 2024
Lessee, Lease, Description [Line Items]
Operating lease right-of-use assets	$ 62,198		$ 10,881
Operating lease costs	1,300	$ 600
Variable lease costs	100
Operating lease, payments	$ 1,200	$ 500
Weighted average remaining lease term	9 years 6 months
Weighted average discount rate, percent	6.80%
Operating leases, future minimum payments due	$ 63,384
Mesa, Arizona
Lessee, Lease, Description [Line Items]
Operating lease right-of-use assets	20,900
Menlo Park, California
Lessee, Lease, Description [Line Items]
Operating lease right-of-use assets	$ 31,500