Leases- Narrative (Details) - USD ($) $ in Millions	Dec. 31, 2021	Dec. 31, 2019
Lessee, Lease, Description [Line Items]
Operating lease liability, leases not yet commenced	$ 4.5
Other Assets
Lessee, Lease, Description [Line Items]
Operating lease right-of-use asset		$ 33.5
Other Liabilities
Lessee, Lease, Description [Line Items]
Operating lease liability		$ 34.3
Company Headquarters
Lessee, Lease, Description [Line Items]
Term of contract	10 years
Renewal term	10 years
Minimum
Lessee, Lease, Description [Line Items]
Term of contract	3 years
Maximum
Lessee, Lease, Description [Line Items]
Term of contract	5 years