Stockholders' Equity Note Disclosure [Text Block]: Reclassification out of Accumulated Other Comprehensive Income (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2018	Dec. 31, 2017
Gain (Loss) on Investments	$ (1,033)	$ 2,539
Income (Loss) from Continuing Operations before Income Taxes, Noncontrolling Interest	37,541	28,336
Income Tax Expense (Benefit)	8,488	(13,794)
Net Income (Loss), Including Portion Attributable to Noncontrolling Interest	29,053	42,130
Reclassification out of Accumulated Other Comprehensive Income | Accumulated Net Unrealized Investment Gain (Loss)
Gain (Loss) on Investments	775	2,640
Income (Loss) from Continuing Operations before Income Taxes, Noncontrolling Interest	775	2,640
Income Tax Expense (Benefit)	163	929
Net Income (Loss), Including Portion Attributable to Noncontrolling Interest	$ 612	$ 1,711