Commitment and Contingencies - Lease Narrative (Details)				1 Months Ended		3 Months Ended		6 Months Ended
	Oct. 28, 2022 USD ($) ft²	Sep. 24, 2018	Jul. 18, 2018 USD ($) ft²	Apr. 30, 2016 USD ($)	Mar. 31, 2016 ft²	Jun. 30, 2023 USD ($)	Jun. 30, 2022 USD ($)	Jun. 30, 2023 USD ($)	Jun. 30, 2022 USD ($)	Apr. 19, 2023	Apr. 11, 2023	Aug. 01, 2021
Lease Description [Line Items]
Operating lease (area) | ft²					128,751
Operating lease, weighted average remaining lease term						6 months		6 months
Lease expiration date					Dec. 31, 2023
Operating lease cost						$ 1,600,000	$ 1,600,000	$ 3,200,000	$ 3,200,000
Operating Lease, Payments						$ 1,600,000	1,600,000	$ 3,200,000	3,100,000
Discount rate, percent						4.25%		4.25%
Area of sub-sublease rental | ft²			46,641
Sublease income						$ 700,000	$ 700,000	$ 1,500,000	$ 1,500,000
Sub-sublease rentals, initial annual base rent			$ 2,700,000
Sub-sublease rentals, percent annual rent increase			3.50%
Sub-sublease rentals, term of contract		5 years 2 months 12 days
Sub-sublease rentals, percent of rental gain attributable to sublandlord			50.00%
Operating lease, future minimum payments due						18,241,000		18,241,000
Term of contract (in years)					7 years 9 months 30 days
Dublin, Ireland
Lease Description [Line Items]
Operating lease, Dublin, term of contract (in years)										1 year		1 year
Operating lease, Dublin, renewal term of contract (in years)											1 year
Brisbane, California
Lease Description [Line Items]
Operating lease (area) | ft²	31,157
Tenant improvement allowance	$ 9,300,000
Operating lease, future minimum payments due	14,900,000
Letter of Credit
Lease Description [Line Items]
Line of credit facility				$ 4,100,000
Face amount reduction on third anniversary				1,400,000
Face amount reduction on fifth anniversary				$ 1,400,000
Line of credit has been used						0		0
Restricted cash						1,400,000		1,400,000
Standby Letters of Credit | Brisbane, California
Lease Description [Line Items]
Line of credit has been used						$ 0		$ 0
Restricted cash	$ 900,000