Income Taxes - Operating Loss Carryforwards (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2016	Dec. 31, 2015
Operating loss carryforwards
Valuation allowances	$ (17,117)	$ (15,458)
Increase in valuation allowance	1,600
Additional valuation allowance for federal net operating loss carryforwards	3,300
Amount of reversal of operating loss carryforwards due to improved operations.	1,800
Federal
Operating loss carryforwards
Operating Loss Carryforwards	1,800
Federal | AlphaCare
Operating loss carryforwards
Operating Loss Carryforwards	41,000
State
Operating loss carryforwards
Operating Loss Carryforwards	$ 103,600