Leases - Additional Information (Details) - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Sep. 30, 2021	Sep. 30, 2020	Sep. 30, 2021	Sep. 30, 2020	Dec. 31, 2020
Leases [Abstract]
Operating lease description			The Company leases office space under operating leases with expirations ranging from April 2021 to March 2025, some of which include rent escalations or an option to extend the lease for up to three years per renewal.
Operating lease renewal term	3 years		3 years
Lessee, Operating Lease, Existence of Option to Extend [true false]			true
Cash paid for amounts included in the lease liability	$ 0.3	$ 0.3	$ 0.9	$ 0.8
Weighted-average lease term of operating leases	2 years 11 months 12 days		2 years 11 months 12 days		3 years 8 months 8 days
Weighted-average discount rate of operating leases	7.58%		7.58%		7.55%