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General - Income Taxes (Details) - USD ($) $ in Millions	3 Months Ended		12 Months Ended
General - Income Taxes (Details) - USD ($) $ in Millions	Mar. 31, 2019	Mar. 31, 2018	Dec. 31, 2018	Dec. 31, 2017	Sep. 30, 2018
Income Taxes
Effective income tax rates (as a percent)	55.60%	(0.70%)
Statutory federal income tax rate (as a percent)	21.00%		21.00%	35.00%
Taxes paid in resolution of examination					$ 0.3
Deferred Tax Assets, Valuation Allowance	$ 1.5
Federal
Income Taxes
Operating Loss Carryforwards	27.7
State
Income Taxes
Operating Loss Carryforwards	88.2
AlphaCare \| Federal
Income Taxes
Operating Loss Carryforwards	$ 27.1