Stockholders' Equity Note Disclosure [Text Block]: Reclassification out of Accumulated Other Comprehensive Income (Details) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2019	Mar. 31, 2018
Gain (Loss) on Investments	$ 171	$ 71
Other than Temporary Impairment Losses, Investments, Portion Recognized in Earnings, Net, Available-for-sale Securities	646	0
Income (Loss) from Continuing Operations before Income Taxes, Noncontrolling Interest	10,534	9,054
Income Tax Expense (Benefit)	1,644	2,006
Net Income (Loss), Including Portion Attributable to Noncontrolling Interest	8,890	7,048
Reclassification out of Accumulated Other Comprehensive Income | Accumulated Net Investment Gain (Loss) Attributable to Parent
Gain (Loss) on Investments	(22)	171
Other than Temporary Impairment Losses, Investments, Portion Recognized in Earnings, Net, Available-for-sale Securities	646	0
Income (Loss) from Continuing Operations before Income Taxes, Noncontrolling Interest	(668)	171
Income Tax Expense (Benefit)	(141)	35
Net Income (Loss), Including Portion Attributable to Noncontrolling Interest	$ (527)	$ 136