Stockholders' Equity Note Disclosure [Text Block]: Reclassification out of Accumulated Other Comprehensive Income (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2018	Sep. 30, 2017	Sep. 30, 2018	Sep. 30, 2017
Gain (Loss) on Investments	$ 17	$ 715	$ (335)	$ 987
Income (Loss) from Continuing Operations before Income Taxes, Noncontrolling Interest	12,903	7,879	31,451	19,354
Income Tax Expense (Benefit)	2,860	2,666	7,518	(5,175)
Net Income (Loss), Including Portion Attributable to Noncontrolling Interest	10,043	5,213	23,933	24,529
Reclassification out of Accumulated Other Comprehensive Income | Accumulated Net Investment Gain (Loss) Attributable to Parent
Gain (Loss) on Investments	(247)	719	(442)	1,062
Income (Loss) from Continuing Operations before Income Taxes, Noncontrolling Interest	(247)	719	(442)	1,062
Income Tax Expense (Benefit)	(51)	252	(93)	377
Net Income (Loss), Including Portion Attributable to Noncontrolling Interest	$ (196)	$ 467	$ (349)	$ 685