Goodwill and Intangible Assets Disclosure [Text Block] (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2017	Sep. 30, 2016	Sep. 30, 2017	Sep. 30, 2016	Dec. 31, 2016
Goodwill	$ 50,697		$ 50,697		$ 41,573
Intangible Assets, Net (Excluding Goodwill)	15,062		15,062		$ 10,122
Amortization of Intangible Assets	393	$ 366	941	$ 1,057
Specialty Health Segment Member
Goodwill, Acquired During Period			9,124
Finite-lived Intangible Assets Acquired			$ 5,880
Acquired Finite-lived Intangible Assets, Weighted Average Useful Life			9 years 7 months 6 days
Amortization of Intangible Assets	$ 393	$ 366	$ 941	$ 1,057