Operating Leases - Lease Cost (Details) $ in Millions	6 Months Ended
	Jun. 30, 2020 USD ($)
Lessee Disclosure [Abstract]
Weighted average lease term (in years)	7 years
Weighted average discount rate (as a percent)	5.50%
Lease liabilities from new right-of-use assets obtained during the year	$ 0.0
Cash paid on operating leases	$ 0.9