Income Taxes (Textual) (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2018	Dec. 31, 2017
Income Tax Disclosure [Abstract]
Income tax payments	$ 0.5	$ 5.2
Income tax refunds	0.1	0.3
Discrete net tax benefit attributable to corporate tax rate reduction on existing deferred tax balances		3.1
Permanent items	1.1	0.8
Net (benefit) expense in interest and penalties related to uncertain tax positions	0.1	0.1
Interest and penalties accrued	$ 0.1	$ 0.1