Leases (Details) $ in Thousands	1 Months Ended			3 Months Ended
	Mar. 31, 2025 USD ($) ft²	Jan. 31, 2025 USD ($) ft²	Sep. 30, 2023 USD ($) ft²	Mar. 31, 2025 USD ($) ft² lease item	Mar. 31, 2024 USD ($)	Dec. 31, 2024 USD ($)	Jul. 31, 2024	Sep. 30, 2015 ft²
Lessee, Lease, Description [Line Items]
Operating lease liabilities, current portion included in other accrued liabilities	$ 12,199			$ 12,199		$ 10,168
Operating lease liabilities, long-term portion	103,056			103,056		96,588
Operating lease liabilities	$ 115,255			115,255		$ 106,756
Noncash operating activities related to right-of-use assets				$ 10,900	$ 300
Weighted average remaining lease term	7 years 4 months 17 days			7 years 4 months 17 days
Weighted average discount rate (as a percent)	7.10%			7.10%
Lease expense				$ 4,400	3,600
Operating lease payments				$ 4,500	$ 4,100
Austin TX, Long-term Lease
Lessee, Lease, Description [Line Items]
Lease space (area) | ft²	57,100			57,100				94,000
Number of office space locations | lease				2
Annual lease payment	$ 900
Term of lease	132 months			132 months
First Expansion Premises
Lessee, Lease, Description [Line Items]
Lease space (area) | ft²	32,500			32,500
Second Expansion Premises
Lessee, Lease, Description [Line Items]
Lease space (area) | ft²	65,222			65,222
Corporate Headquarters Lease
Lessee, Lease, Description [Line Items]
Lease space (area) | ft²	136,000			136,000
Number of office space locations | item				2
"First Space" Sublease
Lessee, Lease, Description [Line Items]
Number of office space locations | ft²				88,000
"Second Space" Sublease
Lessee, Lease, Description [Line Items]
Number of office space locations | ft²				48,000
Corporate Headquarters Lease Amendment
Lessee, Lease, Description [Line Items]
Annual lease payment				$ 9,300
Term of lease	48 months			48 months
San Carlos, CA Lease
Lessee, Lease, Description [Line Items]
Annual lease payment		$ 9,700
Renewal term of lease							60 months
Additional premises San Carlos, CA lease
Lessee, Lease, Description [Line Items]
Lease space (area) | ft²		40,700
Annual lease payment		$ 1,500
South San Francisco, CA Lease
Lessee, Lease, Description [Line Items]
Lease space (area) | ft²	11,395			11,395
Annual lease payment				$ 900
Term of lease	36 months			36 months
Renewal term of lease	3 years			3 years
Pleasanton, CA Lease
Lessee, Lease, Description [Line Items]
Lease space (area) | ft²			16,319
Annual lease payment			$ 500
Term of lease			60 months
Certain workspaces and storage spaces | Minimum
Lessee, Lease, Description [Line Items]
Term of lease	1 year			1 year
Certain workspaces and storage spaces | Maximum
Lessee, Lease, Description [Line Items]
Term of lease	5 years			5 years