Leases - Schedule of Components of Lease Costs (Details) - USD ($) $ in Millions	3 Months Ended
	Mar. 31, 2022	Mar. 31, 2021
Operating leases
Operating lease costs	$ 0.8	$ 0.7
Variable lease costs	0.0	0.2
Total operating lease costs	0.8	0.9
Finance leases
Amortization of right-of-use asset	0.2	0.2
Interest on finance lease liabilities	0.0	0.0
Total finance lease costs	$ 0.2	$ 0.2