Commitments and Contingencies - Narrative (Details) - USD ($)	3 Months Ended
	Mar. 31, 2022	Mar. 31, 2021	Dec. 31, 2021
Lessee, Lease, Description [Line Items]
Right-of-use asset	$ 37,229,000		$ 37,700,000
Total lease liability			47,200,000
Operating lease liability, noncurrent	$ 45,829,000
Current Headquarters
Lessee, Lease, Description [Line Items]
Discount rate (as a percent)	12.00%
Right-of-use asset			37,680,000
Total lease liability	$ 48,651,000
Operating lease liability, current	2,900,000		1,300,000
Operating lease liability, noncurrent	45,800,000		$ 45,879,000
Operating lease cost	$ 1,900,000	$ 2,000,000
Building | Future Headquarters
Lessee, Lease, Description [Line Items]
Lease term	12 years
Annual rent increase (as a percent)	3.00%
Operating Lease, Future Monthly Rent Payment	$ 600,000
Building | Current Headquarters
Lessee, Lease, Description [Line Items]
Annual rent increase (as a percent)	3.00%
Minimum monthly rental expense	$ 24,100