Liability for Future Policy Benefits and Unpaid Claims Disclosure [Text Block] (Details) - USD ($) $ in Thousands	6 Months Ended
	Jun. 30, 2017	Jun. 30, 2016
Prior Year Claims and Claims Adjustment Expense	$ (7,669)	$ (6,192)
Medical Stop-Loss Segment Member
Prior Year Claims and Claims Adjustment Expense	(2,679)	(494)
Group disability, life and DBL Segment Member
Prior Year Claims and Claims Adjustment Expense	(2,793)	(8,888)
Individual life annuities and other Segment Member
Prior Year Claims and Claims Adjustment Expense	(2,262)
Specialty Health Segment Member
Prior Year Claims and Claims Adjustment Expense	65	3,195
Specialty Health Segment Member | Health Insurance Product Line
Prior Year Claims and Claims Adjustment Expense	343	$ (222)
Short-duration Insurance Contracts, Incurred but Not Reported (IBNR) Claims Liability, Net	$ 31,579