Leases - Narrative (Details) - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	Jun. 30, 2020	Jun. 30, 2019	Jun. 30, 2020	Jun. 30, 2019
Lessee, Lease, Description [Line Items]
Operating lease expense	$ 2.9	$ 2.5	$ 5.7	$ 4.6
Minimum
Lessee, Lease, Description [Line Items]
Remaining lease terms (in years)	1 year		1 year
Maximum
Lessee, Lease, Description [Line Items]
Remaining lease terms (in years)	8 years		8 years