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, 2020	Sep. 30, 2019	Sep. 30, 2020	Sep. 30, 2019
Gain (Loss) on Investments	$ 70	$ 930	$ 933	$ 2,556
Other than Temporary Impairment Losses, Investments, Portion Recognized in Earnings, Net, Available-for-sale Securities	0	0	0	646
Income (Loss) from Continuing Operations before Income Taxes, Noncontrolling Interest	10,709	9,419	16,811	28,459
Income Tax Expense (Benefit)	1,977	3,248	3,219	6,482
Net Income (Loss), Including Portion Attributable to Noncontrolling Interest	8,732	6,171	13,592	21,977
Reclassification out of Accumulated Other Comprehensive Income | AOCI, Accumulated Gain (Loss), Debt Securities, Available-for-sale, Parent
Gain (Loss) on Investments	(241)	895	901	2,144
Other than Temporary Impairment Losses, Investments, Portion Recognized in Earnings, Net, Available-for-sale Securities	0	0	0	646
Income (Loss) from Continuing Operations before Income Taxes, Noncontrolling Interest	(241)	895	901	1,498
Income Tax Expense (Benefit)	(50)	189	190	323
Net Income (Loss), Including Portion Attributable to Noncontrolling Interest	$ (191)	$ 706	$ 711	$ 1,175