Organization, Consolidation, Basis of Presentation, Business Description and Accounting Policies [Text Block]: Consolidation, Less than Wholly Owned Subsidiary, Parent Ownership Interest, Effects of Changes, Net (Details) - USD ($) $ in Thousands	1 Months Ended	12 Months Ended
	Aug. 31, 2016	Dec. 31, 2017	Dec. 31, 2016	Dec. 31, 2015
Consolidation, Less than Wholly Owned Subsidiary, Parent Ownership Interest, Changes, Net		$ 0	$ (2,200)	$ 112
AMICSubsidiariesMember
Consolidation, Less than Wholly Owned Subsidiary, Parent Ownership Interest, Changes, Purchase of Interest by Parent	$ (2,200)	0	(2,200)	(199)
IPASubsidiariesMember
Consolidation, Less than Wholly Owned Subsidiary, Parent Ownership Interest, Changes, Purchase of Interest by Parent		$ 0	$ 0	$ 311