Leases - Summary of Lease Information (Details) - USD ($) $ in Millions	3 Months Ended
	Mar. 31, 2023	Mar. 31, 2022
Leases [Abstract]
Operating lease cost	$ 2.1	$ 2.5
Variable lease cost	0.0	0.0
Sublease income	0.0	(0.1)
Total operating lease expense	2.1	2.4
Cash paid for amounts included in the measurement of lease liabilities:
Operating cash flows from operating leases	2.3	2.2
Right of use assets obtained in exchange for new operating lease liabilities	$ 2.8	$ 0.0