Leases - Schedule of Additional Information to Leases (Details) $ in Millions	3 Months Ended	6 Months Ended
	Jun. 30, 2021 USD ($)	Jun. 30, 2021 USD ($)
Operating leases
Weighted average remaining lease term	3 years 8 months 12 days	3 years 8 months 12 days
Weighted average discount rate	3.90%	3.90%
Finance leases
Weighted average remaining lease term	3 years 3 months 18 days	3 years 3 months 18 days
Weighted average discount rate	3.30%	3.30%
Cash paid for amounts included in the measurement of lease liabilities
Operating cash flows from operating leases	$ 0.7	$ 1.3
Operating cash flows from finance leases	0.0	0.0
Financing cash flows from finance leases	0.2	0.3
Total cash paid	0.9	1.6
Leased assets obtained in exchange for new operating lease liabilities	1.5	8.6
Leased assets obtained in exchange for new finance lease liabilities	0.2	2.0
ROU assets obtained in exchange for lease liabilities	$ 1.7	$ 10.6