Leases - Narrative (Details) - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Sep. 30, 2020	Sep. 30, 2019	Sep. 30, 2020	Sep. 30, 2019
Leases [Abstract]
Lessee, operating lease, remaining lease term	100 months		100 months
Lessee, operating lease, renewal term	60 months		60 months
Operating lease, expense	$ 0.2	$ 0.2	$ 0.6	$ 0.5