General - Income Taxes (Details) - USD ($) $ in Millions	3 Months Ended	9 Months Ended
	Sep. 30, 2017	Sep. 30, 2017	Sep. 30, 2016	Dec. 31, 2016
Income Taxes
Effective income tax rates (as a percent)		34.40%	51.90%
Unrecognized tax benefits: Changes due to lapses of statutes of limitations	$ 1.7
Interest expense related to unrecognized tax benefits	(0.1)
Deferred Tax Assets, Valuation Allowance	17.2	$ 17.2		$ 17.1
Deferred tax assets
Income Taxes
Unrecognized tax benefits: Changes due to lapses of statutes of limitations	0.5
Income tax expense
Income Taxes
Unrecognized tax benefits: Changes due to lapses of statutes of limitations	1.2
Federal
Income Taxes
Operating Loss Carryforwards	1.8	1.8
State
Income Taxes
Operating Loss Carryforwards	104.2	104.2
AlphaCare | Federal
Income Taxes
Operating Loss Carryforwards	$ 40.4	$ 40.4