Lease Commitments - Additional Information (Details) $ in Millions	3 Months Ended
	Mar. 31, 2022 USD ($) Option	Mar. 31, 2021 USD ($)	Feb. 28, 2022 ft²
Lessee Lease Description [Line Items]
Operating leases, rent expense | $	$ 0.2	$ 0.2
Cash payments for operating lease costs | $	$ 0.1	$ 0.2
Passenger Vehicles
Lessee Lease Description [Line Items]
Operating lease term	1 year
Buffalo Grove, Illinois
Lessee Lease Description [Line Items]
Operating leases, remaining lease terms	3 years 1 month 6 days
Operating lease number of option to extend | Option	1
Operating lease, option to extend description	Both operating leases contain an option to extend the term for one additional five year period
Operating lease, renewal term	5 years
Florham Park, New Jersey
Lessee Lease Description [Line Items]
Operating leases, remaining lease terms	3 years 4 months 24 days
Operating lease number of option to extend | Option	1
Operating lease, option to extend description	Both operating leases contain an option to extend the term for one additional five year period
Operating lease, renewal term	5 years
Florham Park, New Jersey | Office Space
Lessee Lease Description [Line Items]
Area for operating lease | ft²			6,250