Leases, Lease Commitments and Contingencies - Narrative (Details) $ in Millions	1 Months Ended			12 Months Ended
	Sep. 30, 2020 USD ($)	Aug. 31, 2020 USD ($)	Apr. 30, 2020 USD ($)	Dec. 31, 2021 USD ($) lease	Dec. 31, 2013
Lessee, Lease, Description [Line Items]
Lease renewal term		5 years
Monthly base rent		$ 0.1
Annual increase rate		3.50%
Tenant improvement allowance, receivable upon lease renewal		$ 0.2
Option to terminate, notice period					12 months
Sublease term	4 years		3 years	4 years
Early termination notice period			180 days
Sublease, period for option to terminate			18 months
Sublease monthly rent (less than)	$ 0.1		$ 0.1
Monthly base rent, annual increase rate	3.50%		3.50%
Sublease, tenant improvement allowance, receivable upon lease renewal				$ 0.7
Sublease renewal term	12 months
Number of vehicle leases | lease				4
Office Facilities
Lessee, Lease, Description [Line Items]
Lease term					5 years
Vehicles
Lessee, Lease, Description [Line Items]
Lease term				3 years