Income Tax Disclosure [Text Block]: Schedule of Effective Income Tax Rate Reconciliation (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2017	Dec. 31, 2016	Dec. 31, 2015
Effective Income Tax Rate Reconciliation at Federal Statutory Income Tax Rate, Amount	$ 9,918	$ 11,223	$ 15,357
Income Tax Reconciliation, Tax Exempt Income and Dividends Received Deduction	423	641	796
Effective Income Tax Rate Reconciliation, State and Local Income Taxes, Amount	42	331	619
Effective Income Tax Rate Reconciliation, Subsidiary Stock Basis Write Off	11,589	3,903	0
Effective Income Tax Rate Reconciliation, Health Insurance Excise Tax	0	146	526
Effective Income Tax Rate Reconciliation, Health Insurer Compensation Limit	192	594	379
Effective Income Tax Rate Reconciliation, Change in Enacted Tax Rate, Amount	9,402	0	0
Income Tax Reconciliation Deductions for Sharebased Compensation	867	0	0
Effective Income Tax Rate Reconciliation, Other Adjustments, Amount	(208)	1,805	(181)
Income taxes (benefits)	(13,794)	9,555	15,904
AMICSubsidiariesMember
Effective Income Tax Rate Reconciliation, Change in Deferred Tax Assets Valuation Allowance, Amount	$ (20,261)	$ 0	$ 0