Leases (Details) $ in Millions	3 Months Ended
	Mar. 31, 2019 USD ($)
Lessee, Lease, Description [Line Items]
Operating Lease, Weighted Average Remaining Lease Term	2 years 10 months 24 days
Operating Lease, Weighted Average Discount Rate, Percent	4.50%
Operating Lease, Cost	$ 2.2
Operating Lease, Payments	$ 2.6
Minimum [Member]
Lessee, Lease, Description [Line Items]
Lessee, Operating Lease, Term of Contract	1 year
Maximum [Member]
Lessee, Lease, Description [Line Items]
Lessee, Operating Lease, Term of Contract	4 years