Income Taxes (Details) - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	Jun. 30, 2015	Jun. 30, 2014	Jun. 30, 2015	Jun. 30, 2014	Dec. 31, 2014
Income Tax Disclosure [Abstract]
Income tax expense (benefit)	$ 0.2	$ (1.6)	$ 0.3	$ (1.6)
Federal statutory income tax rate	35.00%		35.00%
Unrecognized tax benefits	$ 1.6		$ 1.6		$ 1.9