Commitments and Contingencies - Narrative (Details) - USD ($)	3 Months Ended		6 Months Ended
	Jun. 30, 2022	Jun. 30, 2021	Jun. 30, 2022	Jun. 30, 2021	Dec. 31, 2021
Lessee, Lease, Description [Line Items]
Right-of-use asset	$ 36,823,000		$ 36,823,000		$ 37,680,000
Lease liability (current)	4,302,000		4,302,000		1,341,000
Operating lease liability, noncurrent	$ 45,823,000		$ 45,823,000		45,879,000
Current Headquarters
Lessee, Lease, Description [Line Items]
Discount rate (as a percent)	12.00%		12.00%
Right-of-use asset	$ 36,800,000		$ 36,800,000		37,700,000
Total lease liability	50,125,000		50,125,000		47,200,000
Lease liability (current)	4,300,000		4,300,000		1,300,000
Operating lease liability, noncurrent	45,800,000		45,800,000		$ 45,900,000
Operating lease cost	$ 1,900,000	$ 2,000,000	$ 3,800,000	$ 3,900,000
Building | Future Headquarters
Lessee, Lease, Description [Line Items]
Lease term	12 years		12 years
Operating Lease, Future Monthly Rent Payment			$ 600,000
Annual rent increase (as a percent)	3.00%		3.00%
Building | Current Headquarters
Lessee, Lease, Description [Line Items]
Annual rent increase (as a percent)	3.00%		3.00%
Minimum monthly rental expense			$ 24,100