Note 11. Income Taxes: Schedule of Effective Income Tax Rate Reconciliation (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2015	Dec. 31, 2014	Dec. 31, 2013
Details
Effective Income Tax Rate Reconciliation at Federal Statutory Income Tax Rate, Amount	$ 16,866	$ 8,159	$ 8,279
Income Tax Reconciliation, Tax Exempt Income and Dividends Received Deduction	796	1,384	849
Effective Income Tax Rate Reconciliation, State and Local Income Taxes, Amount	735	685	710
Effective Income Tax Rate Reconciliation, Health Insurance Excise Tax	526	696
Effective Income Tax Rate Reconciliation, Health Insurer Compensation Limit	516	661
Effective Income Tax Rate Reconciliation, Change in Deferred Tax Assets Valuation Allowance, Amount		(2,500)
Effective Income Tax Rate Reconciliation, Other Adjustments, Amount	(181)	74	258
Income taxes (benefits)	$ 17,666	$ 6,391	$ 8,398