Leases- Additional Information (Details) $ in Thousands	1 Months Ended			12 Months Ended
	Feb. 29, 2020 USD ($) ft²	Aug. 31, 2019 USD ($) ft²	Apr. 30, 2018 USD ($) ft²	Dec. 31, 2023 USD ($)	Dec. 31, 2022 USD ($)	Dec. 31, 2021 USD ($)	Mar. 31, 2021 ft²
Lessee Lease Description [Line Items]
Number of square feet | ft²	19,900	100,000	13,400				27,000
Lessee, operating lease, option to extend		cash payment for rent began in October 2021 and the lease term ends in August 2033,	The lease term is through March 2026 and provides for one five-year extension option.	options to extend certain of the leases up to 10.0 years
Lessee, operating lease, rent commencement month and year		2021-10
Lessee, Operating Lease, Existence of Option to Extend [true false]		true	true	true
Lessee, operating lease, extended term of contract		5 years	5 years
Lease expiration month and year		2033-08	2026-03	2031-10
Operating lease, impairment loss				$ 21,200
Long-lived asset impairment loss				4,200
Impairment of right-of-use and related long-lived assets				25,429
Letter of credit		$ 2,100
Lease commenced moth and year		2020-12
Landlord contribution for leasehold improvements		$ 20,000		$ 14,800
Proceeds from landlord reimbursements					$ 14,900	$ 10,900
Tenant improvement costs incurred					14,900	14,900
Tenant improvement costs receivable						4,000
Tenant improvement allowance			$ 2,400
Rent obligations, commencement date				2021-10
Tenant improvement allowance and commenced	$ 600
Operating lease renewal term				10 years
Operating lease termination period				7 years
Lease not yet commenced, termination option description				subject to an early termination option after the seventh year
Lease not yet commenced, option to extend description				option to twice extend the lease for five years
Lease not yet commenced landlord agreed to fund for improvements				$ 1,200
Lease not yet commenced, option to extend term				5 years
Operating lease expense				$ 11,400	12,400	12,400
Operating lease variable lease expense				7,100	7,200	3,500
Cash paid for amounts included in measurement of lease liabilities, net of tenant improvement allowances received				$ 13,400	9,200	8,300
Cash received for tenant improvement allowances					$ (5,200)	(11,500)
ROU assets obtained in exchange for operating lease liabilities						$ 5,400
Impairment, Long-Lived Asset, Held-for-Use, Statement of Income or Comprehensive Income [Extensible Enumeration]				Impairment of right-of-use and related long-lived assets
Maximum
Lessee Lease Description [Line Items]
Operating lease remaining lease term				9 years 8 months 12 days
Minimum
Lessee Lease Description [Line Items]
Operating lease remaining lease term				2 years 2 months 12 days
Seattle, Washington
Lessee Lease Description [Line Items]
Number of square feet | ft²		65,500
Lessee, operating lease, option to extend		Cash payment for rent of the expanded premises commenced January 2020, four months after the landlord delivered the expanded premises to us for construction of certain tenant improvements, and the lease term for both the existing premises and the expanded premises ends October 2032, subject to our option to twice extend the lease for five years.
Lessee, operating lease, rent commencement month and year		2020-01
Lessee, Operating Lease, Existence of Option to Extend [true false]		true
Lessee, operating lease, extended term of contract		5 years
Lease expiration month and year		2032-10