Stockholders' Equity Note Disclosure [Text Block]: Reclassification out of Accumulated Other Comprehensive Income (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2019	Jun. 30, 2018	Jun. 30, 2019	Jun. 30, 2018
Gain (Loss) on Investments	$ 1,455	$ (423)	$ 1,626	$ (352)
Other than Temporary Impairment Losses, Investments, Portion Recognized in Earnings, Net, Available-for-sale Securities	0	0	646	0
Income (Loss) from Continuing Operations before Income Taxes, Noncontrolling Interest	8,506	9,494	19,040	18,548
Income Tax Expense (Benefit)	1,590	2,652	3,234	4,658
Net Income (Loss), Including Portion Attributable to Noncontrolling Interest	6,916	6,842	15,806	13,890
Reclassification out of Accumulated Other Comprehensive Income | AOCI, Accumulated Gain (Loss), Debt Securities, Available-for-sale, Parent
Gain (Loss) on Investments	1,271	(366)	1,249	(195)
Other than Temporary Impairment Losses, Investments, Portion Recognized in Earnings, Net, Available-for-sale Securities	0	0	646	0
Income (Loss) from Continuing Operations before Income Taxes, Noncontrolling Interest	1,271	(366)	603	(195)
Income Tax Expense (Benefit)	275	(77)	134	(42)
Net Income (Loss), Including Portion Attributable to Noncontrolling Interest	$ 996	$ (289)	$ 469	$ (153)