Leases (Details) - USD ($) $ in Millions	3 Months Ended
	Mar. 31, 2019	Dec. 31, 2018
Leases [Abstract]
Leases - right of use assets	$ 24.6	$ 0.0
Leases - right of use liabilities, current	2.0
Leases - right of use liabilities, noncurrent	$ 22.8	$ 0.0
Operating lease, weighted average remaining lease term	15 years
Operating lease, weighted average discount rate, percent	7.30%
Operating lease, expense	$ 2.2
Short-term lease, cost	1.2
Operating lease, payments	$ 1.0