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, 2020	Jun. 30, 2019	Jun. 30, 2020	Jun. 30, 2019
Gain (Loss) on Investments	$ 575	$ 1,455	$ 863	$ 1,626
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	737	8,506	6,102	19,040
Income Tax Expense (Benefit)	199	1,590	1,242	3,234
Net Income (Loss), Including Portion Attributable to Noncontrolling Interest	538	6,916	4,860	15,806
Reclassification out of Accumulated Other Comprehensive Income | AOCI, Accumulated Gain (Loss), Debt Securities, Available-for-sale, Parent
Gain (Loss) on Investments	72	1,271	1,142	1,249
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	72	1,271	1,142	603
Income Tax Expense (Benefit)	15	275	240	134
Net Income (Loss), Including Portion Attributable to Noncontrolling Interest	$ 57	$ 996	$ 902	$ 469