Leases - Summary of Lease Information (Details) - USD ($) $ in Millions	3 Months Ended
	Mar. 31, 2022	Mar. 31, 2021
Leases [Abstract]
Operating lease cost	$ 2.5	$ 2.9
Sublease income	(0.1)	0.0
Total operating lease expense	2.4	2.9
Cash paid for amounts included in the measurement of lease liabilities:
Operating cash flows from operating leases	$ 2.2	$ 2.6